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25/05/2020, 14:00
The increase of the particle flux at the HL-LHC with luminosities of L ≃ 7.5 × $10^{34}$ cm$^{−2}$s$^{−1}$ will have a severe impact on the ATLAS detector reconstruction and trigger performance. The end-cap and forward region where the liquid Argon calorimeter has coarser granularity and the inner tracker has poorer momentum resolution will be particularly affected. A High Granularity Timing...
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Davide Zuolo (Universita & INFN, Milano-Bicocca (IT)), Davide Zuolo (INFN - National Institute for Nuclear Physics)25/05/2020, 14:00
The R&D covers both planar and single-sided 3D columnar pixel devices made with the Si-Si Direct Wafer Bonding technique, which allows for the production of sensors with 100 μm and 130 μm active thickness, for planar sensors, and 130 μm for 3D sensors, the thinnest ones ever produced so far. Prototypes of hybrid modules have been bump-bonded to the RD53A readout chip. The RD53A readout chip...
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25/05/2020, 14:00
The High Granularity Calorimeter (HGCAL), presently being designed by the CMS collaboration to replace the CMS endcap calorimeters for the High Luminosity phase of LHC, will feature six million channels. The requirements for the front-end electronics are extremely challenging, including high dynamic range (0-10 pC), low noise (~2000e- to be able to calibrate on single MIP throughout the...
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25/05/2020, 14:00
The LUX-ZEPLIN (LZ) experiment is a next generation dark matter search designed to achieve unprecedented sensitivity to a wide range of dark matter candidates. At the core of the LZ detector is a dual-phase xenon time projection chamber (TPC) with a 7 ton active mass. LZ will begin taking data in 2020 and achieve a sensitivity of about $1.4\times10^{-48} cm^2$ at $40~GeV/c^2$ WIMP mass after...
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25/05/2020, 14:18
To meet new TDAQ buffering requirements and withstand the high radiation doses at the high-luminosity LHC, the ATLAS Liquid Argon Calorimeter readout electronics will be upgraded. The calorimeter signals are amplified and shaped by analog electronics over a dynamic range of 16 bits, with low noise and excellent linearity. Developments of radiation-hard, low-power preamplifiers and shapers and...
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25/05/2020, 14:18
The R&D programme of the proposed Compact Linear Collider (CLIC) aims to fulfil the ambitious requirements of the inner detectors. This contribution provides an overview of these innovative technology studies, with an emphasis upon recent results and developments. Various monolithic prototypes are currently being investigated for the tracking detector in High-Voltage CMOS, High-Resistivity...
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Dr Matteo Alfonsi (J. Gutenberg Universitaet Mainz)25/05/2020, 14:18
In 2018 the XENON1T experiment set the most stringent constraints on the interaction cross-section between nucleons and Weakly Interacting Massive Particles. A crucial role for the inference of such results is played by the accurate modelling of the detector response.
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We report about a new calibration test with a $^{37}$Ar source diluted into the liquid xenon, performed in the XENON1T... -
25/05/2020, 14:18
The LHCb Upgrade 2 will run at a luminosity of $(1..2)*10^{34} cm^{-2}s^{-1}$ to collect ~300 $fb^{-1}$ of data. This will require a major revision of the LHCb Calorimeter. The increased luminosity will result in very high particle densities and radiation doses in the central area. The ECAL has to provide high quality energy and position measurement for electromagnetic showers. One option for...
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Marco Bomben (LPNHE & Université Paris Diderot, Paris (FR)), Marco Bomben (U. di Trieste)25/05/2020, 14:36
Silicon pixel detectors are at the core of the current and planned upgrade of the ATLAS detector at the Large Hadron Collider (LHC). As the closest detector component to the interaction point, these detectors will be subjected to a significant amount of radiation over their lifetime: prior to the High-Luminosity LHC (HL-LHC), the innermost layers will receive a fluence of 1-5_1015 1 MeV...
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Thorben Quast (Rheinisch Westfaelische Tech. Hoch. (DE))25/05/2020, 14:36
The CMS Collaboration is preparing to build replacement endcap calorimeters for the HL-LHC era. The new high-granularity calorimeter (HGCAL) is, as the name implies, a highly-granular sampling calorimeter with approximately six million silicon sensor channels (~1.1cm^2 or 0.5cm^2 cells) and about four hundred thousand channels of scintillator tiles readout with on-tile silicon...
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25/05/2020, 14:36
Electronics developments are pursued for the trigger readout of the ATLAS Liquid-Argon Calorimeter for the Phase-I upgrade during the LHC shut-down of 2019-2020. Trigger signals with higher spatial granularity and higher precision are needed in order to improve the identification efficiencies of electrons, photons, tau, jets and missing energy, at high background rejection rates, already at...
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Fabian Kuger (Albert-Ludwigs-Universität Freiburg)25/05/2020, 14:36
The DARWIN observatory will be the ultimate xenon-based detector for WIMP dark matter complemented by a rich science program of other rare event searches. It will operate 40t of natural liquid xenon in a time projection chamber, combining light- and charge-signal measurements for background reduction and an optimal energy resolution. We aim at reducing all background sources for the WIMP...
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Thomas Reis (Science and Technology Facilities Council STFC (GB))25/05/2020, 14:54
A dual gain trans-impedance amplifier and an ASIC providing two 160 MHz ADC channels, gain selection, and data compression will be installed. The noise increase in the APDs, due to radiation-induced dark current, will be contained by reducing the temperature at which ECAL is operated. The trigger decision will be moved off-detector and performed by powerful and flexible FPGA processors,...
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25/05/2020, 14:54
The liquid argon (LAr) detector technology has strong potential to push the sensitivity for WIMP detection several orders of magnitude beyond current levels. The Global Argon Dark Matter Collaboration includes scientists from all the major groups currently working with this technology with the goal to build a sequence of future detectors that maximally exploit the advantages of LAr as a...
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Mr Damien Thienpont (OMEGA - Ecole Polytechnique - CNRS/IN2P3)25/05/2020, 14:54
HGCAL, presently being designed by CMS to replace the endcap for the High Luminosity LHC, require extremely challenging specifications for the front-end electronics: high dynamic range, low noise, high accuracy time information and low power consumption as well as the need to select and transmit trigger information with a high transverse and longitudinal granularity.
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HGCROV-V2 is the second... -
Harris Kagan (Ohio State University (US))25/05/2020, 14:54
Detectors based on Chemical Vapor Deposition (CVD) diamond have been used successfully in beam conditions monitors in the highest radiation areas of the LHC. Future experiments at CERN will to accumulate an order of magnitude larger fluence. As a result, an enormous effort is underway to identify detector materials that will operate after fluences of >10^{16}/cm^2.
Diamond is one candidate...
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25/05/2020, 15:12
The FCAL collaboration is preparing large-scale prototypes of special calorimeters to be used in the very forward region at a future e+e- collider for a precise and fast luminosity measurement and beam-tuning. LumiCal is designed as Si_W sandwich calorimeter with very thin sensor planes to keep the Moliere radius small, facilitating such the measurement of electron showers in the presence of...
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Mr Joe McLaughlin (Royal Holloway University of London)25/05/2020, 15:12
DEAP-3600 is a tonne-scale, liquid argon (LAr) experiment searching for Weakly Interacting Massive Particles (WIMPs), which are a leading candidate for dark matter. The detector is located at SNOLAB in Sudbury, Ontario, and comprises 3279 kg of LAr as a scintillator, viewed by 255 photomultiplier tubes (PMTs). While DEAP is optimized for detecting WIMPs at recoil energies on the order of 10...
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25/05/2020, 15:12
A high rate beam telescope based on the Timepix3 ASIC has been built in order to perform detailed studies of tracking prototypes using charged particle beams. The telescope is optimised for spatial precision, reaching $<$ 1.6 $\mu$m pointing resolution. Timepix3 features per pixel TDCs with a bin size of $\approx$, and after detailed systematic correction, a temporal precision of 680 (270) ps...
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Shota Sumomozawa (Iwate University)25/05/2020, 15:12
We currently developed a new front-end electronics for a liquid argon time projection chamber (LAr-TPC) detector, which has been developed for neutrino oscillation and nuclear decay search experiments.
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We developed the electronics (LTARS 2018) to have a wide dynamic range for input charge up to 1600 fC and a function to output a signal with an appropriate time constant for signals having... -
25/05/2020, 16:00
Pixel array detectors (PAD) are widely used in the synchrotron radiation facilities (SRF). This work aims to develop a common data acquisition (DAQ) system for PAD users. It provides the most essential functionalities such as data readout and real-time image display, and offers the customized functionalities including run control, data processing & transmission, event building, lossless...
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Ashutosh Kotwal (Duke University (US))25/05/2020, 16:00
We propose an algorithm, deployable on a highly-parallelized graph computing architecture, to perform rapid reconstruction of charged-particle trajectories in the high energy collisions at the Large Hadron Collider and future colliders. We use software emulation to show that the algorithm can achieve an efficiency in excess of 99.95% for reconstruction with good accuracy. The algorithm can be...
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25/05/2020, 16:00
Proton Computed Tomography directly measures the proton stopping power in a patient to improve proton radiotherapy treatment plans. Conventionally the energy measurement in proton CT is performed via scintillators or range trackers which are limited to at most a few protons per readout cycle. We present here a proton CT device which utilises silicon strip trackers oriented at non orthogonal...
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25/05/2020, 16:00
A custom large area (150 mm x 150 mm) microchannel plate (MCP) detector has been built to characterize the 30 keV proton source at the University of Manitoba (UofM), Canada. Two MCP plates from Incom, Inc. are arranged in the chevron configuration to provide a gain of $\sim10^6$. The detector is constructed using vacuum compatible materials and is operated in a $\sim10^{-7}$ Torr vacuum. A...
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25/05/2020, 16:00
The Mu2e Cosmic Ray Veto must veto cosmic-ray muons over a large area with an efficiency of 99.99\% in the presence of high background rates. It consists of 5,376 scintillator extrusions with embedded 1.4\,mm wavelength-shifting fibers coupled to $2{\times}2$\,mm$^2$ silicon photomultipliers. A custom readout system consists of: (1) small circuit board, the Counter Mother Board, which...
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sridhar tripathy, Jaydeep Datta, Nayana Majumdar (Saha Institute of Nuclear Physics), Supratik Mukhopadhyay (Saha Institute of Nuclear Physics (IN))25/05/2020, 16:00
A simple inexpensive read-out system has been developed for an RPC based muon imaging system. The Time-Over-Threshold property of the fast pre-amplification, discrimination chip NINO, can be utilized to measure the pulse-height and hence the charge content of a detector signal. The charge profile of an event can be obtained from the fired strips, which localizes the particle track. This...
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25/05/2020, 16:00
Due to the increased luminosity, the background conditions at HL-LHC will be much harsher and can affect the performance of the RPC detector being used in CMS Experiment at LHC. In order to understand the sustainability of CMS-RPC system, a dedicated longevity study is ongoing at CERN Gamma Irradiation Facility (GIF++). For this study, few spare RPC detectors are being exposed to intense gamma...
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Yunjian He (Tokyo Institute of Technology (JP))25/05/2020, 16:00
The Associative Memory (AM) approach has been developed and used in the HEP experiments in terms of online track-finding based on silicon detector hits. We intend an extension of the AM approach to tracking with a drift-tube detector, taking advantage of the drift time information to define the AM pattern in the parameter space of observables. As a benchmark, our study demonstrates the...
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25/05/2020, 16:00
It is important to understand how particle detector responses depend on the detailed location of an event in the detector volume. This can be particularly difficult to measure directly in cryogenic detectors because the cryostats in which they are operated generally restrict access. One solution is to develop in-situ calibration sources which can be moved without significant interruption to...
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Klaus Dehmelt (Stony Brook University USA)25/05/2020, 16:00
Artificially structured composites, also known as meta-materials can emerge with unusual electromagnetic (em) properties. Owing to Transformation Optics (TO) a variety of em-devices with extraordinary pre-designed functions can be defined. As the development of meta-materials progresses, many novel em-devices designed with TO have been experimentally demonstrated and used in specific...
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25/05/2020, 16:00
Liquid Argon sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry. After successful operation in Run-1, Run-2 of the LHC started in 2015 and approximately 150fb$^{-1}$ of data at a center-of-mass energy of 13 TeV was recorded. With the end of Run-2 in 2018 a multi-year shutdown for the Phase-I detector upgrades was begun.
As part of the Phase-I upgrade, new...
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Ren Kobayashi (Kyoto University), Ren Kobayashi (Kyoto University (JP))25/05/2020, 16:00
The design for the Level-0 endcap muon trigger of the ATLAS experiment at High-Luminosity LHC (HL-LHC) and the status of the development are presented. In the upgraded trigger system, the track reconstruction is achieved on a pattern matching algorithm using hit information on the detectors and predefined lists of the hits corresponding to tracks. Hardware implementation is planned to be done...
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Kaito Sugizaki (University of Tokyo (JP))25/05/2020, 16:00
The Large Hadron Collider is expected to increase its center-of-mass energy to 14 TeV for Run 3 scheduled from 2021 to 2023. In order to cope with the high event rate, an upgrade of the ATLAS trigger system is required. The Level-1 Endcap Muon trigger system identifies muons with high transverse momentum by combining data from a fast muon trigger detector. In the ATLAS Phase-I upgrade, new...
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Mr Mao Tani (Kyoto University)25/05/2020, 16:00
T2K is a long-baseline neutrino experiment in Japan that aims to observe CP violation in neutrino oscillations. The upgrade of the T2K near detector (ND280) is ongoing now.
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In the ND280 upgrade, a new detector, SuperFGD, that reconstructs the tracks of charged particles from neutrino-nuclear interactions with very fine granularity is planned to be introduced. It consists of two million... -
25/05/2020, 16:00
An RF-only ion funnel has been developed to efficiently extract single Ba ions from a high-pressure (10 bar) xenon gas into vacuum. Gas is injected into the funnel where ions are radially confined by an RF field while the neutral gas escapes. Residual gas flow alone transports the ions longitudinally through the funnel. In the downstream chamber the ions are detected while the Xe is captured...
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Dr Xin Li (University of Sicence and Technology of China)25/05/2020, 16:00
The Large High-Altitude Air Shower Observatory (LHAASO) is being built at an elevation of 4410 meters in Haizi Mountain, Sichuan province of China. One of its main goals is to survey the northern sky for very high energy gamma ray sources via its ground-based Water Cherenkov Detector Array (WCDA). WCDA is consisted of 3120 water detector cells, divided into 3 water ponds. A hemispherical...
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Jin Wang (Chinese Academy of Sciences (CN)), Jin Wang (Chinese Academy of Sciences)25/05/2020, 16:00
The CMS electromagnetic calorimeter (ECAL) is a fundamental instrument for these analyses and its energy resolution is crucial for the Higgs boson mass measurement. Recently the energy response of the calorimeter has been precisely calibrated exploiting the full Run2 data, aiming at a legacy reprocessing of the data. A dedicated calibration of each detector channel has been performed with...
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25/05/2020, 16:00
A highly granular silicon-tungsten electromagnetic calorimeter (SiW-ECAL) is the reference design of the ECAL for International Large Detector (ILD) concept, one of the two detector concepts for the detector(s) at the future International Linear Collider. Prototypes for this type of detector are developed within the CALICE Collaboration. The technological prototype addresses technical...
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Mr Sayan Ghosh (Saha Institute of Nuclear Physics, HBNI)25/05/2020, 16:00
As a precursor to setting up a Dark Matter (DM) direct search experiment involving scintillators at low temperatures, we have investigated the change in characteristic properties of the photon readout channel. Silicon Photomultiplier (SiPM), known for its high gain, miniature size, and low mass was studied. Leakage current of SiPM was found to have sensitive dependence on the temperature and...
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Ms Promita Roy (Saha Institute of Nuclear Physics, HBNI)25/05/2020, 16:00
GEM has become a widely used technology for high-rate particle physics experiments. Radiation hardness, ageing resistance and discharge stability are the main criteria for long-term operation of such detectors. In particular, discharge is a serious issue as it may cause irreversible damages to the detector and readout electronics. The charge density inside the amplification region is the...
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25/05/2020, 16:00
In this contribution the authors will present the result of two couples of tests performed on a
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Single Wire Proportional Chamber (SWPC). During the first test the SWPC was irradiated with
X-rays and alpha particles sources with the same hit rate until the same integrated charge was
reached. Nevertheless the performance loss during the X-ray irradiation was larger, traces of
polymers were... -
25/05/2020, 16:00
New GAGG/CsI phoswich assemblies are being developed at the Galician Institute for High Energy Physics, aiming to provide improvements in sensitivity, and spatial resolution for PET and SPECT medical imaging devices. The phoswich technique is used in PET developments to improve spatial resolution by obtaining the depth of interaction (DOI) measurement. In this work, a scanner made of two sets...
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Dr Mei Zhao (Chinese Academy of Sciences (CN))25/05/2020, 16:00
Monolithic particle detector is expected to be used in ATLAS upgrade project and CEPC. Results of monolithic chip with pixel size 250μm×50μm designed by CPPM using LFoundry 150nm technology show that the depleted HVCMOS sensor has good performance on particle detecting. To improve the spatial resolution, the research work of sensors with small pixel size of 50μm×50μm was performed, and its...
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Andrej Gorisek (Jozef Stefan Institute (SI))25/05/2020, 16:00
The High Luminosity upgrade of Large Hadron Collider (HL-LHC) will increase LHC Luminosity by an order of magnitude increasing the density of particles on the detector by an order of magnitude. For protecting the inner detectors of experiments and for monitoring the delivered luminosity, a radiation hard beam monitor is being developed. We are developing a set of detectors based on...
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25/05/2020, 16:00
We fabricated a pixelated silicon sensor with junction field effect transistor (JFET) on a 650 μm-thick, high resistivity (> 5 kΩ·cm) n-type and double-sided polished 6-inch silicon wafer using double-sided fabrication process. The JFET with cylindrical structure acts as a switch to readout charges accumulated in the pixelated sensor. We presented electrical characteristics of the fabricated...
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25/05/2020, 16:00
The LHC-ALICE experiment plans to install a Forward Calorimeter (FoCal) for the measurement of direct photon at forward rapidity ($3.2 <\eta≈<5.8$). By this , we expect to be able to access the gluon saturation region at small-x. It is a key to understand the initial state of nuclear collisions and Quark-Gluon Plasma(QGP).
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The FoCal is composed of an electromagnetic calorimeter (FoCal-E)... -
Quirin Weitzel (PRISMA Detector Laboratory, Johannes Gutenberg University Mainz)25/05/2020, 16:00
In order to improve the jet energy resolution and particle identification of future high-energy physics experiments, the calorimeters of the detector systems need a fine 3-D segmentation. Depending on the size and technology, millions of individual channels consisting of a photosensor coupled to a scintillator tile have to be assembled. The usage of structured plastic scintillators with...
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Sen Qian (Institute of High Energy Physics,CAS)25/05/2020, 16:00
We investigated a fast time -resolved SiPM driver board that could be used in the CEPC-TOF and other large experimental facilities with high time resolution. General the commercial SiPM driver boards are only available for certain models of SiPM. And this kind of driver board is unique for single-channel testing in the laboratory. This obviously does not apply to batch testing in large...
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Mr Joseph Bodunrin (Department of Physics, University of South Africa. )25/05/2020, 16:00
The current-voltage (I-V) measurements were carried out on un-implanted and Iron (Fe) implanted n-type Silicon to establish and study a change in electrical properties of the diode with Fe doping concentration. The n-type silicon (n-Si) material was doped with Fe at fluences of 10^15,10^16 and 10^17 ion/cm^2 and schottky diodes were fabricated. The (I-V) data were used to determine the effect...
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25/05/2020, 16:00
Time Projection Chamber is the main tracker of the Multi-Purpose Detector. The detector will operate at one of beam interaction points of the collider NICA and it is optimized to investigate both hot and dense baryonic matter. The TPC Front-End Electronics will operate with event rate up to 7 kHz at average luminosity 10^27 cm^-2s^-1 for gold collisions at √SNN = 9 GeV/n. The electronics is...
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25/05/2020, 16:00
LEGEND (Large Enriched Germanium Experiment for Neutrinoless Double-Beta Decay) is a ton-scale $^{76}$Ge-based neutrinoless double beta ($0\nu\beta\beta$) experimental program with discovery potential at a half-life greater than $10^{28}$ years.
The first 200-kg phase (LEGEND-200) is currently under construction and will start data taking in 2021. In order to achieve its projected half-life...
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25/05/2020, 16:00
The TRIUMF Ultra-Cold Advanced Neutron (TUCAN) collaboration is currently developing a new ultra-cold neutron (UCN) source for the neutron electric dipole moment (nEDM) search experiment. Finding a nonzero nEDM, or improving its current upper limit will shed light on the baryon asymmetry of the Universe (BAU) - given that any measurable nEDM violates CP-symmetry which is also a crucial...
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25/05/2020, 16:00
KamLAND-Zen is a neutrinoless double-beta($0\nu2\beta$) decay search experiment using $^{136}\mathrm{Xe}$ installed to ultra-low background environment of KamLAND detector, which is composed mainly of liquid scintillator and photo multiplier tubes(PMT).
The most dominant source of background within the $0\nu2\beta$ decay region of interest is $2\nu2\beta$ decay. Since the only way to...
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Kevin Croker25/05/2020, 16:00
Large Area Picosecond Photodetectors (LAPPD) are a new generation of microchannel plate photomultipliers. LAPPDs use 28 stripline anodes to give 1-3 mm spatial resolution via fast timing at low channel density. We have developed extremely compact and low-power electronics that mate directly to LAPPD tiles. An FPGA controls readout and parallel digitization of 2x28 channels, sampled by DRS4...
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Mr Mario Schwarz (TUM)25/05/2020, 16:00
Large volume liquid argon (LAr) detectors require a precise assessment of optical key parameters for both modeling and interpreting the data. These parameters include light yield, the triplet lifetime and in particular, the attenuation length of the 128 nm primary scintillation wavelength. A change in impurity concentrations within the LAr volume affects these values and therefore requires a...
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25/05/2020, 16:00
LHCb has recently submitted a physics case to upgrade the detector to be able to run at instantaneous luminosities of 2$\times 10^{34} cm^{-2}s^{-1}$, an order of magnitude above Upgrade I, and accumulate a sample of more than 300 fb$^{-1}$. At this intensity, the mean number of interactions per crossing would be 56, producing around 2500 charged particles within the LHCb acceptance. The...
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25/05/2020, 16:00
The Modane Underground Laboratory (LSM) is located 1700 m (4800 m.w.e) below Fréjus peak (Alpes chain) mountain in the middle of the Fréjus tunnel between France/Italy. The LSM is a multi-disciplinary platform for the experiments requiring low radioactivity environment. Several experiments in Particle and Astroparticle Physics, low-level of High Purity of Germanium gamma ray spectrometry,...
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25/05/2020, 16:00
Data acquisition systems for state of the art imaging based particle identification detectors are expected to handle large numbers of channels, high accuracy timing, and operate under limited spatial and power constraints. In many applications, full waveform digitization is considered necessary to guarantee the required timing resolution and avoiding the undesirable degradation due to time...
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25/05/2020, 16:00
Hyper-Kamiokande (Hyper-K) is a next generation water Cherenkov neutrino detector for discovery of CP violation in neutrino oscillations, determination of the neutrino mass ordering as well as potentially discover proton decay. A new Intermediate Water Cherenkov Detector (IWCD) is proposed for Hyper-K to cancel the neutrino flux and cross section uncertainties located 1-2 km away from the...
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25/05/2020, 16:00
The upgraded VELO modules will each host 12 VeloPix ASICs with a total power consumption of up to 30 W. To mitigate the radiation damage an efficient cooling system is to keep the sensors below -20 C. The solution created is to use a cooling substrate composed of thin silicon plates with embedded micro-channels that allow the circulation of boiling CO2. The advantages of this technique ...
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25/05/2020, 16:00
In HL-LHC operation the instantaneous luminosity will reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. The current ATLAS Inner Detector will be replaced by an all-silicon system, the Inner Tracker (ITk). The innermost part of ITk will consist of a state-of-the-art pixel detector.
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Several different silicon sensor technologies will be... -
25/05/2020, 16:00
After the realization of the MWPCs with CsI PC for the RICH detector of the COMPASS experiment at CERN SPS, we have upgraded COMPASS RICH by four novel gaseous Photon Detectors (PD) based on MPGD technology, never used before in RIChes, covering a total active area of 1.5 m2. The new PDs consist of two layers of THGEMs, the first also acting as a reflective PC thanks to CsI coating, and a...
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25/05/2020, 16:00
Abstract: We are using multi-PMTs (mPMTs) as the photosensors for the
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Intermediate Water Cherenkov Detector (IWCD), the proposed near detector
for the approved Hyper-Kamiodande experiment. The IWCD mPMT design has
nineteen 3" PMTs enclosed in a water-tight pressure vessel, along with
the associated electronics. The 3" PMTs provide excellent spatial
imaging of the neutrino-induced... -
25/05/2020, 16:00
The new ALICE Inner Tracking System is the first large-scale MAPS-based tracking system. It is covering an active surface of 10 m², with a total of 12.5 billion pixels. Several optimisations of the pixel chip lead to a quasi noise-free operation, with measured fake-hit rates of below 1 hit per pixel and billion events (on system level), numbers compatible with the order of magnitude expected...
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25/05/2020, 16:00
A new, more precise reconstruction algorithm was introduced to recover broken clusters at the edge of the pixel sensors. Many improvements were done in handling the pixel bad components as well: an occupancy based bad component determination was developed, while a dynamical bad component simulation was introduced in MC to handle scenarios with temporary, or permanent issues like failures of...
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Luigi Calligaris (UNESP - Universidade Estadual Paulista (BR))25/05/2020, 16:00
We present a free and open source firmware designed to operate as an Intelligent Platform Management Controller (IPMC). An IPMC is a fundamental component for electronic boards conformant to the Advanced Telecommunications Computing Architecture (ATCA) standard, being adopted by a number of high energy physics experiments, and is responsible for monitoring the health parameters of the board,...
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25/05/2020, 16:00
The tracking performance of the ATLAS detector at the Large Hadron Collider (LHC) at CERN relies critically on its 4-layer Pixel Detector, consisting of four barrel layers at 33, 50.5, 88.5, and 122.5 mm from the geometric center of the ATLAS detector and a total of six disk layers, three at each end of the barrel region. It has undergone significant hardware and readout upgrades to meet the...
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25/05/2020, 16:00
In spring 2019 the Belle II experiment started data taking at the energy of the Y(4S) resonance. The SuperKEKB collider of KEK (Japan) aims to provide 50 ab-1 of e+e− collision events at the unprecedented luminosity of 8 10^35 cm-2 s-1.
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The challenge for the Belle II detector is to record high-quality data in the new high-luminosity environment, characterized by increased backgrounds.
The... -
25/05/2020, 16:00
The present electromagnetic and hadronic calorimeters of the CMS experiment will be upgraded to cope up with the harsh radiation environment and pileup conditions posed by the high luminosity operations of LHC (HL-LHC) expected to start in 2026. CMS has opted for a sampling calorimeter, based on silicon and scintillator technologies, with unprecedented transverse and longitudinal segmentation...
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Erica Sawczynec (University of Hawaii at Manoa)25/05/2020, 16:00
Direct digitization of signals at low-bit resolution can be realized directly using FPGAs, allowing for systems that have very high channel density, and more information bandwidth than simple discriminator-based designs. Such systems may be a good candidate for high channel density, low power, integrated readouts for future high energy physics applications. We have studied such systems at 3-...
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Muon Coll. ATLAS (ATLAS)25/05/2020, 16:00
For the LHC luminosity upgrade, the muon end-cap inner station of ATLAS detector will be replaced by New Small Wheels (NSWs) in 2020. The NSWs will effectively improve the online muon identification and maintain the current muon transverse momentum resolution despite the increased detector hit rates. The NSWs combine the Micromegas and small-strip Thin Gap Chambers (sTGC) technologies. The...
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25/05/2020, 16:00
The BESIII spectrometer offers an unique experimental setup to investigate Particle Physics. The CGEM(Cylindrical Gas Electron Multiplier) is designed to replace the BESIII inner drift chamber in order to avoid deterioration of its performance due to radiation background. This work aims to develop the CGEM DAQ software in current BESIII DAQ framework. The functional requirements of CGEM DAQ...
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25/05/2020, 16:00
The ATLAS upgrade for HL-LHC operations includes an entirely new all-silicon Inner Tracker (ITk). The silicon strip region comprises 165 m$^2$ of instrumented area, made possible by mass production of silicon strip sensors. This area is covered in a nearly hermetic way. Slim edge technology is used to minimize inefficiency gaps between adjacent devices. Multiple shapes with curved edges are...
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25/05/2020, 16:00
In this data driven concept era of instrument, we will need the versatile platforms to visualize and analyse their event data to explore, interpret and understand the information hide in the data at the China Spallation Neutron Source (CSNS). At present, the online instrument monitoring service based on EPICS and CSS is too professional to be suitable for the new real-time distributed data...
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Mr Rikuo Nakamura (Tohoku Univ.)25/05/2020, 16:00
KamLAND-Zen experiment is a low background liquid scintillator (LS) detector and searches for neutrino-less double-beta decay (0$\nu\beta\beta$) of $^{136}$Xe. In order to suppress backgrounds proportional to volume (cosmo-genic muon spallation products, solar $^{8}$B $\nu$, etc.), $^{136}$Xe loaded LS is stored in the inner balloon (IB) made of nylon. The IB was made as clean as possible,...
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Jaydeep Datta, SRIDHAR TRIPATHY (SAHA INSTITUTE OF NUCLEAR PHYSICS), Nayana Majumdar (Saha Institute of Nuclear Physics)25/05/2020, 16:00
The dark current characteristic of an RPC is often simplistically represented by the current flown in an electrical circuit of diode and resistance. It follows mainly from the variation of electrical conductivity of the gas medium with the applied voltage. We have developed a detailed model to simulate the dark current from the first principle considering the electrical properties of all the...
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Tetsuichi Kishishita (KEK,Open-It)25/05/2020, 16:00
This work presents a design and implementation of an I/O circuit block capable of simultaneous bidirectional-transmission in CMOS integrated circuits. In High Energy Experiments at high luminosity, reducing material of silicon trackers in the inner vertex layers is of major importance to suppress multiple-scattering and to achieve good overall detector performance. Merging data-transmitter and...
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Roberto Guida (CERN)25/05/2020, 16:00
A wide range of gas mixtures is used for the operation of the gaseous detectors at the CERN LHC experiments. Some gases, as C2H2F4, CF4, C4F10 and SF6, are greenhouse gases (GHG) with high global warming potential and therefore subject to a phase down policy.
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The reduction of GHG emissions is of paramount importance for CERN, which has identified four different strategies.
The first strategy... -
Beatrice Mandelli (CERN)25/05/2020, 16:00
At the CERN LHC experiments several gaseous detectors are operated with Freon based gas mixtures. CF4 is used for wire chambers and Gas Electron Multiplier (GEM) detectors while C2H2F4 and SF6 for Resistive Plate Chambers (RPCs).Under the effects of electric field and radiation, these gases undergo radiolytic dissociation producing new molecules and radicals, which could be detrimental to...
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25/05/2020, 16:00
ATLAS is preparing for the HL-LHC. In order to cope with occupancy and radiation doses expected, we will replace our Inner Detector with an all-silicon Inner Tracker (ITk). The strip system will be built from modules, consisting of one n+-in-p sensor, and one or two PCB hybrids containing the front-end electronics glued directly on the active sensor surface.
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Several prototypes have been... -
Gianluigi Silvestre (Universita e INFN, Perugia (IT))25/05/2020, 16:00
The goal of the FOOT (FragmentatiOn Of Target) experiment is to measure the fragmentation cross-section of protons into H, C, O targets at beam energies of interest for hadrontherapy (50–250 MeV for protons and 50–400 MeV/u for Carbon ions). Given the short range of the fragments, an inverse kinematic approach has been chosen, hence requiring precise tracking capabilities in a magnetic volume...
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Sabyasachi Siddhanta (Universita e INFN, Cagliari (IT))25/05/2020, 16:00
The ALICE experiment at the CERN LHC is being upgraded during the ongoing second long shutdown of the LHC (2019-21) to enhance the vertexing, tracking and readout capabilities. This would improve upon the present physics measurements, provide insights into new measurements and to fully exploit the scientific potential of the LHC with heavy ions at high luminosity. In Runs 3 and 4 from 2021,...
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Anne-Mazarine Lyon (ETH Zurich (CH))25/05/2020, 16:00
During Run III, the LHC is expected to operate at a higher average instantaneous luminosity of around 2x10^34cm-2s-1, and to deliver an integrated luminosity of up to 100fb-1 per year. This will result in higher average pileup values during LHC fills and larger detector ageing effects. We propose to mitigate the increase in the noise contribution to the signal due to the ECAL barrel front-end...
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25/05/2020, 16:00
The LHCb experiment is a forward spectrometer at the Large Hadron Collider designed to study the decays of beauty and charm hadrons. During the recently concluded data-taking phase, LHCb produced a vast dataset in flavour physics and in additional physics topics that take advantage of the forward acceptance of the experiment.
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In the ongoing second long shutdown, a major upgrade of the... -
Yiming Abulaiti (Argonne National Laboratory (US))25/05/2020, 16:00
In order to maintain sensitivity to new physics in the coming years of LHC operations, the ATLAS experiment performing a number of trigger and detector upgrades. All new components will be read out via a newly developed system featuring an application called the Software Readout Driver (SW ROD), which will run on a commodity server receiving front-end data via the Front-End Link eXchange...
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25/05/2020, 16:00
Precision calorimeters consisting of inorganic crystal scintillators have been playing an important role in the experimental high energy physics (HEP) experiments. In the last two decades, it faces challenges of the hostile radiation environment expected at the HL-LHC, the unprecedented event rate expected at accelerator based rare process search experiments and the low cost required by the...
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Kazuya Mochizuki (Universite de Montreal (CA))25/05/2020, 16:00
The performance of ATLAS SemiConductor Tracker (SCT) in Run-2 at Large Hadron Collider (LHC) has been reviewed during the current long shutdown. The LHC successfully completed its Run-2 operation (2015-2018) with a total integrated delivered luminosity of $156~{\rm fb^{-1}}$ at the centre-of-mass $pp$ collision energy of $13~{\rm TeV}$. The LHC high performance provide us a good opportunity...
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25/05/2020, 16:00
The successful running of the technological prototype of the Semi-Digital Hadronic CALorimter (SDHCAL) developed within the CALICE collaboration and proposed to equip the future ILD detector of the ILC has provided excellent results in terms of energy linearity and resolution but also tracking and PID capabilities.
To validate completely the SDHCAL option for ILD, a new R&D activities have...
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Dr Gergo Hamar (Wigner RCP, Budapest)25/05/2020, 16:00
Muography is a novel imaging technology to reveal density structure of hill-sized objects. The cosmic muons lose their energy and penetrate hundreds of meters into the ground, thus their differential local flux correlates with the density-lenght they traveled through.
Exploiting the high flux around the zenith the imaging of the internal structure of hills could be done underground. Various...
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26/05/2020, 09:00
The time information assigned to each track will enable the use of 4D reconstruction algorithms and will further discriminate in the time domain interaction vertices within the same bunch crossing to recover the track purity of vertices in current LHC conditions. The endcap region of the MTD, called the Endcap Timing Layer (ETL) will be instrumented with silicon-based low gain avalanche...
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Massimo Manghisoni (University of Bergamo - Italy)26/05/2020, 09:00
This work describes the first experimental results from the characterization of a 32 channels mixed-signal processor developed for the readout of lithium-drifted silicon, Si(Li), detectors of the General AntiParticle Spectrometer (GAPS) experiment to search for dark matter. The instrument is designed for the identification of antideuteron particles from cosmic rays during an Antarctic balloon...
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26/05/2020, 09:00
We will present the evolving design, results on the performance of irradiated SiPMs, the optimisation of scintillator tiles, the status of active element prototypes with integrated electronics, and the preparations for automated production. In the higher radiation zone silicon has been chosen due to its intrinsic radiation hardness. The silicon sensors will be of hexagonal shape, with three...
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26/05/2020, 09:00
The Scintillating Bubble Chamber (SBC) experiment is a new low-background technique aimed at detecting low-mass (0.7-7 GeV/c$^{2}$) WIMP interactions and reactor CEvNS. The detector consists of a quartz-jar filled with liquid Argon (LAr), spiked with 100 ppm of liquid Xenon (LXe) acting as a wavelength-shifter, and instrumented with Cameras, Silicon-Photo-Multipliers and Piezo-acoustic...
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Sabyasachi Siddhanta (Universita e INFN, Cagliari (IT))26/05/2020, 09:18
The ALICE experiment at the CERN LHC will install a fast, ultralight Inner Tracking System made of monolithic active pixel sensors (ALPIDE) during the ongoing second long shutdown of the LHC (2019-21) to improve upon the present physics measurements and provide insights to new measurements. ALPIDE is based on TowerJazz 180 nm technology and is a result of an intensive R&D programme over the...
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26/05/2020, 09:18
NEWS-G (New Experiments With Spheres-Gas) is an experiment searching for dark matter using the Spherical Proportional Counter (SPC) technique. Such detectors can operate kg scale targets in meter sized spheres, while keeping single ionization electron detection sensitivity. They can be filled with low mass gases such as hydrogen, helium, and neon. NEWS-G aspires to extend the sensitivity of...
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Dr Jerzy Pietraszko (GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany)26/05/2020, 09:18
The HADES collaboration [1] at GSI Darmstadt, Germany, is developing a new T0 and beam tracking system based on the Low Gain Avalanche Diodes (LGAD) [3,4], aka Ultra Fast Silicon Detectors (UFSD).
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The group has prepared a demonstration system realized as a beam telescope consisting of two UFSD strip sensors with size of about 5mm x 5mm and the strip structure with a 140 µm pitch. They are... -
26/05/2020, 09:18
The Silicon Geiger Hybrid Tube (SiGHT) is a novel photosensor designed for future generations of rare event search experiments using noble liquids. The idea is to replace conventional multi-dynode photomultiplier tubes (PMTs) with a hybrid technology, consisting of a low temperature sensitive bi-alkali photocathode for conversion of photons into photoelectrons and a low dark count Silicon...
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26/05/2020, 09:36
The Cryogenic Underground Test (CUTE) facility, installed at SNOLAB, is designed for testing and characterization of cryogenic detectors in a low-background and low-vibration environment. The cryostat that provides the low operating temperatures of ~15 mK is surrounded by a layered shielding of water and low-activity lead leading to an estimated background of order of a few events/(keV.kg.d)...
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26/05/2020, 09:36
The ATLAS Experiment will upgrade its tracking system for the High Luminosity LHC, replacing the existing tracker by an all-silicon Inner Tracker, which consists of a pixel detector surrounded by a strip detector. The forward strip detector is based on wedge shaped strip sensors with varying strip length and pitch. The strips are read out by means of low mass radiation-hard circuits, which are...
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Yuzhan Zhao (University of California Santa Cruz), Yuzhan Zhao (University of California,Santa Cruz (US))26/05/2020, 09:36
Low Gain Avalanche Detectors (LGADs) are thin silicon detectors (20 to 50 $\mu m$ in thickness) with moderate gain (up to ~50). LGADs have good time resolution (~17 ps), fast rise time (~500ps), and short full charge collection time (~1ns), which are suitable for numerous future applications.
The first implementation of LGADs will be with the ATLAS and CMS detectors in preparation for the...
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Austin de St. Croix (TRIUMF/UBC)26/05/2020, 09:36
The nEXO experiment is a TPC planned to search for neutrinoless double beta decay (0𝝂𝛽𝛽) in Xe136 enriched liquid xenon, with a projected sensitivity sufficient to probe the neutrino mass inverted hierarchy. The isotope Xe136 is the 2𝝂𝛽𝛽 source while the remaining xenon acts as the detection medium, using silicon photomultipliers (SiPMs) to detect scintillation light. The largest contribution...
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Giacomo Gallina (TRIUMF)26/05/2020, 09:54
Silicon Photo-Multipliers (SiPMs) have emerged as a compelling photo-sensor solution. In contrast to the widely used Photo-Multipliers Tubes, SiPMs have high single Photon Detection Efficiency (PDE) with low radioactivity. For these reasons, large-scale low-background cryogenic experiments, such as the next-generation Enriched Xenon Observatory experiment (nEXO), are migrating to a SiPM-based...
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26/05/2020, 09:54
In parallel to the impending upgrade of the LHC towards the High Luminosity LHC, a Monolithic Active Pixel Sensor is being developed to withstand the higher radiation environment foreseen. This novel sensor makes use of a 180 nm TowerJazz CMOS imaging technology process featuring small collection electrode designs and small pixel sizes of 3 um and 36.4 um, respectively. These sensors can be...
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26/05/2020, 09:54
The RD53 collaboration is a joint effort between the ATLAS and CMS experiments facing the challenges of developing hybrid pixel readout chips for their Phase-2 upgrades in the HL-LHC (High Luminosity Large Hadron Collider).
A prototype chip, called RD53A, was designed to qualify the chosen 65nm CMOS technology. Among all its features, this large size demonstrator contains design variations...
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26/05/2020, 09:54
SABRE is a particle dark matter experiment whose aim is to conclusively test the claim of dark matter detection by the DAMA collaboration, who have measured an anomalous annual modulation in their NaI:Tl detector for many years. To this end, SABRE has developed NaI:Tl crystals of unsurpassed purity, which will serve as a low-background target and operate submerged within a large liquid...
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26/05/2020, 10:12
Ongoing experiments are searching for dark matter or coherent neutrino scattering signals via the identification of nuclear recoils using germanium and silicon as detector materials. At the sub-keV recoil energy scales being probed by the latest generation of such experiments, the ionization yield of nuclear recoils in germanium and silicon is an important, but poorly characterized, material...
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Dr Preeti Pandey (University of Manitoba,Winnipeg,Canada)26/05/2020, 10:12
Precision polarimetry for high energy electron beams is a crucial aspect of the precision physics experiments that are either under construction or planned at facilities such as Jefferson Lab, the EIC (electron-ion collider), or the proposed upgrade for SuperKEKB polarized beam. Compton polarimetry can be implemented as a non-invasive continuous measurement. The technique is well known and has...
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Jan Cedric Honig (Albert Ludwigs Universitaet Freiburg (DE))26/05/2020, 10:12
A promising approach to increase the radiation hardness of existing detector designs are defect engineering and the dedicated and controlled enrichment of the silicon bulk with foreign atoms. NitroStrip is a RD50 project with the goal of understanding the effect of nitrogen enrichment on the radiation hardness of high resistivity float zone silicon.
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Previous works suggest an increased... -
Felicia Carla Tiziana Barbato (INFN - National Institute for Nuclear Physics)26/05/2020, 10:12
The Vacuum Silicon PhotoMultiplier Tube (VSiPMT) idea was born in Naples with the intent of substituting PMTs dynode chain, which bring many problems due to the gain concept adopted. Looking at the history of photodetectors, one can notice that there are different attempts to overcome the ”dynode problem”. Over the years, SiPMs and HPDs went closer to the solution of the problem. Neverthless,...
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26/05/2020, 11:00
For the HL-LHC upgrade the current ATLAS Inner Detector is replaced by an all-silicon system. The Pixel Detector will consist of 5 barrel layers and a number of rings, resulting in about 14 m$^2$ of instrumented area. Due to the huge non-ionizing fluence (1e16 n$_{eq}$/cm$^2$) and ionizing dose (5 MGy), the two innermost layers, instrumented with 3D pixel sensors (L0) and 100µm thin planar...
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26/05/2020, 11:00
Superconducting tunnel junction (STJ) radiation detectors combine the high energy resolution of low-temperature operation with the high speed of athermal non-equilibrium devices. They utilize the small superconducting energy gap (~1 meV) to achieve an energy resolution of a few eV FWHM for energies below 1 keV. Furthermore, the short signal charge life time (~10s of µs) enables rates of...
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26/05/2020, 11:00
After a decade of fruitful datataking, the T2K near detector ND280 is scheduled for upgrade. The new setup includes three detector systems utilizing novel technologies: an active fine-grained plastic scintillator target (SuperFGD) with two TPCs above and below it to cover the region of large scattering angles and six planes of the time-of-flight (TOF) detector that enclose the entire setup....
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26/05/2020, 11:18
The Hyper-Kamiokande (HK) experiment will detect neutrinos produced at an upgraded 1.3 MW J-PARC 30 GeV accelerator with a new water Cherenkov detector that is 8 times larger than Super-Kamiokande. This will allow HK to accumulate neutrino events 20 times faster than the currently operating T2K experiment. To take advantage of the high statistics HK will collect, systematic uncertainties on...
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Francesco Pandolfi (INFN Rome)26/05/2020, 11:18
We present the latest results on NanoUV, a novel UV light detector concept based on aligned carbon nanotubes. The efficiency of today’s UV light detectors is limited by the quantum efficiency of photocathodes, which for photons in the UV range rarely exceeds 20-30% in commercial models. This is because photoelectrons produced by UV photons have low energy, and are therefore easily re-absorbed...
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Luigi Calligaris (UNESP - Universidade Estadual Paulista (BR))26/05/2020, 11:18
The Phase-2 Upgrade of the CMS experiment is designed to prepare its detectors for operation at the High Luminosity Large Hadron Collider (HL-LHC). The upgraded collider will begin operation in 2026, featuring new challenging conditions in terms of data throughput, pile-up and radiation, reasons for which the tracker detector will be entirely replaced by a new design. We present the current...
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26/05/2020, 11:18
Superconducting nanowires are a potential new cryogenic platform for particle detection. These detectors have been used for nearly two decades for single-photon detection, in various experiments having demonstrated photon-detection efficiency of 98%, jitter of < 3 ps, signal count rates of several 100 MHz with dark count rates of < 1 count per day. Recent experiments have demonstrated...
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26/05/2020, 11:36
BULLKID is an R&D project on a new supereconducting cryogenic particle detector to search for rare low energy processes such as low-mass dark matter and neutrino coherent scattering off nuclei. The detector unit we are building consists in an array of 60 silicon absorbers sensed by phonon-mediated, microwave-multiplexed Kinetic Inductance Detectors (KIDs), with energy resolution on nuclear...
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26/05/2020, 11:36
DUNE is a dual-site experiment for long-baseline neutrino oscillation studies, neutrino astrophysics and nucleon decay searches. The Far Detector will consist of four 10 kton fiducial mass LAr TPCs. The dual phase (DP) technology, in which the charge is extracted, amplified, and detected in gaseous argon above the liquid, is foreseen for one of these modules. It allows a fine readout pitch, a...
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Dennis Sperlich (Albert Ludwigs Universitaet Freiburg (DE))26/05/2020, 11:36
ATLAS is preparing for the HL-LHC upgrade, where integrated and instantaneous luminosity will reach unprecedented values. For this, an all-silicon Inner Tracker (ITk) is under development with a pixel detector surrounded by a strip detector. The strip system consists of 4 barrel layers and 6 EC disks. After completion of FDRs in key areas, such as Sensors, Modules, Front-End electronics and...
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Dr Mark Popecki (Incom, Inc.)26/05/2020, 11:36
The LAPPD is a 400 cm2 microchannel plate photomultiplier (MCP-PMT) with a timing resolution better than 60 pS. The large area and high speed makes the LAPPD suitable for viewing large area scintillators or large experimental volumes, and for applications such as neutron detectors or Cerenkov light detectors. It has sensitivity to single photoelectrons with a gain of ~7E6 or higher. It...
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26/05/2020, 11:54
The ATLAS tracking system will be replaced by an all-silicon detector for the HL-LHC upgrade around 2025. The innermost five layers of the detector system will be pixel detector layers which will be most challenging in terms of radiation hardness, data rate and readout speed. A serial power scheme will be used for the pixel layers to reduce the radiation length and power consumption in cables....
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26/05/2020, 11:54
One of the primary physics goals of the Deep Underground Neutrino Experiment (DUNE) is the detection of neutrinos produced in explosions of core-collapse supernovae. These neutrinos, with an energy range from a few to a few tens of MeV, are uniquely suited to characterize the detailed features of the supernovae and to search for non-standard interactions from neutrino mixing in extreme...
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26/05/2020, 11:54
By placing, in vacuum, a stack of transmission dynodes (tynodes) on top of a CMOS pixel chip, a generic, digital, single free electron detector could be made with potentially one ps time resolution. Its essential element is the tynode: an ultra thin membrane, which emits, at the impact of an energetic electron on one side, a multiple of electrons at the other side. The electron yields of...
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26/05/2020, 11:54
$\rm{}^{82}Se$ is an interesting candidate for a $0\nu\beta\beta$ search due to its high $Q_{\beta\beta}$ (2998 keV) value, which is above many natural radioactive backgrounds, and relatively long $T^{2\nu}_{0.5}$ ($10^{20}$ yrs). We have proposed a tower of low noise pixelated CMOS detectors with a $200 \, \rm \mu m$ layer of amorphous selenium (a-Se) as a $0\nu\beta\beta$ experiment. The...
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26/05/2020, 12:12
The DAMIC (Dark Matter in CCDs) experiment uses scientific grade silicon charge-coupled devices (CCDs) to detect potential ionization signals from dark matter interactions. These approx. mm thick devices feature impressively low leakage current ($<10^{-21}$ A cm$^2$) and a very low energy threshold, making them ideal low-mass dark matter detectors. The kg-size next generation DAMIC-M detector,...
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Fulvio Tessarotto (INFN Trieste)26/05/2020, 12:12
The construction of a RICH detector for high momenta hadron identification at the future Electron Ion Collider is challenging: the compact detector setup imposes a short radiator, limiting the number of photons. A windowless RICH operating in the far UV region is a possible choice. CsI is a widely used photo-cathode (PC) for far UV photons, but it is hygroscopic, delicate to handle and its...
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Yoshihito Gando (Tohoku Univ.)26/05/2020, 12:12
Neutrinoless double beta decay (0$\nu\beta\beta$) search is an only-one realistic experiment for the Majorana neutrino test (neutrino = anti-neutrino). Some experiments have already set the lower limit on the half-life of 0$\nu\beta\beta$ as 10$^{\rm 25 - 26}$ years, however, the future high sensitivity search experiment need scalability and background rejection methods.
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We propose a xenon... -
26/05/2020, 12:12
The Phase-II upgrade of the LHC will result in an increase of the instantaneous luminosity up to about 5×1034 cm−2s−1. To cope with the challenges the current Inner Detector will be replaced by an all-silicon Inner Tracker (ITk) system. The Pixel Detector will have to deal with occupancies of about 300 hits/FE/s as well as a fluence of $2×10^{16}$n$_{eq}$cm$^{−2}$. 3D Pixel sensors will be...
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26/05/2020, 14:00
The Electron Ion Collider (EIC) is a new facility that has been proposed in the US to study the structure of nuclear matter in the gluon dominated regime of QCD using Deep Inelastic Scattering (DIS) with precision electromagnetic probes. Two versions of this facility have been proposed, one at Brookhaven (eRHIC) and another at JLAB (JLEIC). It would have the capability of colliding polarized...
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26/05/2020, 14:00
Noble liquid detectors are now ubiquitous in dark matter and neutrino physics experiments. The ability to purify the liquid of electronegative contaminants to the extent that electrons liberated by ionizing particles can be drifted over several meters with minimal attenuation, while maintaining the initial spatial orientation of the charge distribution, is now considered routine. With such...
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26/05/2020, 14:00
ALICE is planning to replace its innermost tracking layers during LHC Long Shutdown 3 with a novel detector that will be as close as 18 mm to the interaction point and as thin as <0.05% X0 per layer. To achieve these figures, a wafer-scale Monolithic Active Pixel Sensor in 65 nm technology is being developed. This sensor, fabricated on 300 mm wafers, will reach dimensions of up to 280 by 94...
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Muon Coll. ATLAS (ATLAS)26/05/2020, 14:00
The ATLAS monitored drift tube (MDT) chambers are the main component of the precision tracking system in the ATLAS muon spectrometer. The MDT system is capable of measuring the sagitta of muon tracks to an accuracy of 60 μm, which corresponds to a momentum accuracy of about 10% at pT=1 TeV. To cope with large amount of data and high event rate expected from the High-Luminosity LHC (HL-LHC)...
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26/05/2020, 14:18
A highly granular electromagnetic calorimeter has been designed and optimised within the CALICE collaboration for precision measurements at future lepton collider experiments, including the Circular Electron Positron Collider (CEPC). Scintillator strips and silicon photomultipliers (SiPMs) are instrumented as sensitive layers and tungsten-copper alloy plates as absorber. Scintillator strips...
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MUON COLL. ATLAS (ATLAS)26/05/2020, 14:18
The ATLAS collaboration selected Micromegas (MM) technology and small-strip Thin Gap Chambers for the upgrade of the first muon station in the high-rapidity region. The modules of MM and sTGC are being integred at CERN with installation, testing and validation of on-detector electronics & readout chain for a system with more than 2.1 M electronic channels. These include ~4K MM Front-End...
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Hyunyong Kim (Texas A & M University (US))26/05/2020, 14:18
The High Luminosity phase of the LHC (HL-LHC) will result in an increase of beam
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energy, a higher collision rate, and a harsher radiation environment. A challenge for CMS is to maintain an efficient and reliable trigger for muons with eta > 1.6. Gas Electron Multiplier (GEM) technology can operate well at high particle fluxes and will be employed in the upgrade of the endcap muon system. The... -
26/05/2020, 14:18
An essential requirement for dark matter detection using liquid xenon (LXe) time-projection chambers is the removal of electronegative molecules, which are outgassed from detector materials and to which drifting electrons attach, reducing the observable ionization signal. Such detectors to date have relied on the continuous removal of these impurities from evaporated xenon using...
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Frank Simon (Max-Planck-Institut fuer Physik)26/05/2020, 14:36
The DUNE experiment requires a highly capable near detector system to achieve its ambitious physics goals. One of the subsystems of the near detector is the Multi-Purpose Detector (MPD), which will consist of a high pressure gaseous Argon TPC surrounded by an electromagnetic calorimeter, embedded in a magnetic field. The calorimeter complements the tracking capabilities of the TPC with photon...
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26/05/2020, 14:36
ArgonCube is a novel design for Liquid Argon Time Projection Chambers (LAr TPCs), segmenting the total detector volume into a number of electrically and optically isolated TPCs sharing a common cryostat.
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For the charge-readout, a pixelated anode plane is employed, providing unambiguous 3D event reconstruction.
In order to maximise the active TPC volume a new technology is used for... -
26/05/2020, 14:36
The increase in luminosity during the LHC upgrade programme causes a rise in particle multiplicity and hit occupancy in the LHCb detector. To mitigate this effect for the Ring-Imaging Cherenkov (RICH) detectors, it is proposed to use the photon detector hit time information.
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The FPGA in the upgraded RICH detector readout chain includes a programmable time gate, which will be fine-tuned with... -
Ladislav Andricek (MPG Semiconductor Lab)26/05/2020, 14:36
The inner 2 layers of the Belle II VXD are based on DEPFETs (PXD). This technology allows the construction of the currently most light-weight pixel detector in operation (0.2% X$_0$ in the acceptance area). It is the first time that this technology is deployed at a HEP experiment. PXD is in operation in Belle II since 03/2019 and is taking data with very good performance. The S/N is close to...
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26/05/2020, 14:54
We present recent results of the R&D for a novel 4D fast tracking system based on rad-hard pixel detectors and front-end electronics capable of reconstructing 4-dimensional particle trajectories in real time. The detector features excellent timing resolution of 30 ps, recently measured on a beam test, and 55 micron pitch for the 3D silicon pixel sensor. A stub-based fast tracking algorithm...
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26/05/2020, 14:54
A highly granular silicon-tungsten electromagnetic calorimeter (SiW-ECAL) is the reference design of the ECAL for International Large Detector (ILD) concept, one of the two detector concepts for the detector(s) at the future International Linear Collider. Prototypes for this type of detector are developed within the CALICE Collaboration.
The contribution will report for the first time on...
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26/05/2020, 14:54
nEXO is a proposed tonne-scale experiment searching for neutrinoless double-beta decay. In its current design it will be a single-phase time projection chamber (TPC).
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Particular care is given to the anode, especially a design consisting of a charge-sensitive tile is under study. A modular array of tiles can collect e$^-$ from a wide area. Since the tile provides 2d reconstruction, a TPC... -
26/05/2020, 14:54
The T2K collaboration is preparing a rise of the beam intensity to increase the exposure aimed at establishing leptonic CP violation at 3 $\sigma$ level for a significant fraction of the possible $\delta_{CP}$ values. The near detector ND280 upgrade could reduce the overall statistical and systematic uncertainties at the appropriate level of better than 4%.
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We have developed an innovative... -
26/05/2020, 15:12
ALICE is the CERN LHC experiment optimised for the study of the strongly interacting matter produced in heavy-ion collisions and devoted to the characterisation of the Quark-Gluon Plasma. To achieve the physics program for LHC Run 3, a major upgrade of the experimental apparatus is ongoing. A key element of the upgrade is the substitution of the Inner Tracking System (ITS) with a completely...
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Mietek Dabrowski (Brookhaven National Laboratory (US))26/05/2020, 15:12
We present an integrated analog Front-End (FE) designed in a 65 nm CMOS process optimized for the readout of 6 cm2 Silicon Photomultiplier (SiPM) tiles. It implements a super-common gate preamplifier followed by a newly introduced 4th order fully-differential complex conjugate pole shaper. The circuit can be programmed for various series-parallel SiPM arrangements and peaking times. It...
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Frank Simon (Max-Planck-Institut fuer Physik)26/05/2020, 15:12
The Analogue Hadron Calorimeter (AHCAL) of the CALICE collaboration is a technological prototype for future linear collider detectors, addressing scalability, integration and engineering challenges imposed by the experimental environment. It is based on the SiPM-on-tile technology, where the active layers of the calorimeter are formed by 3x3 cm2 plastic scintillator tiles placed on top of...
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Dr Thomas MCELROY (McGill University)26/05/2020, 15:12
The LoLX project aims to study the properties of light emission in LXe. Investigating timing characteristics of both the scintillation and Cherenkov light, LoLX will explore the abilities of single-phase LXe detectors for particle physics and medical imaging. The first phase of the LoLX detector consists of 24 Hamamatsu VUV4 Silicon photomultipliers (SiPMs), giving a total of 96 channels...
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26/05/2020, 16:00
LEGEND is a proposed ton-scale $^{76}$Ge-based neutrinoless double beta ($0\nu\beta\beta$) experimental program with discovery potential at a half-life greater than $10^{28}$ years. The first 200-kg phase (LEGEND-200) is currently under construction and detector installation at the Gran Sasso underground laboratory (Laboratori Nazionale del Gran Sasso, LNGS) will start in 2020. With a...
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135. Performance of the "IRSX" multi-GSa/s, Switched Capacitor Array Waveform Sampling Frontend ASICOskar Hartbrich (University of Hawaii at Manoa)26/05/2020, 16:00
The "Ice Ray Sampler X" (IRSX) is a low-power 8-channel waveform sampling frontend ASIC designed for HEP applications, fabricated by TSMC in a 250nm CMOS process. Each input channel samples into a switched capacitor array (SCA) of 32,768 samples depth at an adjustable rate of 2-4GSa/s, for an effective sample buffer depth of 8-16$\mu s$. Stored samples can be digitised with 12bit resolution...
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Dr Richard Majka (Yale University)26/05/2020, 16:00
A report will be presented on the performance of Time Projection Chamber gas amplification elements that have been utilized and gases proposed for next generation central tracking detectors, including an option with continuous readout at high luminosity. The presentation will focus on issues critical for high rate detector operation, such as the positive ion backflow (IBF) and energy...
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26/05/2020, 16:00
The Search for Hidden Particles (SHiP) experiment has been proposed for construction at the Beam Dump Facility at CERN SPS. SHiP is aimed at searching for very weakly interacting long lived particles such as Heavy Neutral Leptons.
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SHiP is composed of two detector systems located downstream of the target, absorber and muon shield.
The first is the Scattering and Neutrino detector, based on... -
Matt Andrew (University of Hawaii)26/05/2020, 16:18
A novel bunch-by-bunch vertical beam size monitor was developed for the SuperKEKB storage rings (e+ and e-) at KEK in Tsukuba, Japan. Each monitor is capable of resolving the pattern of synchrotron radiation from each passing bunch of charge. The nanobeams, which are new for SuperKEKB, produce a 5-15 keV spectrum of X-Rays with a small opening angle. The Si sensor is 75 um thick with 128...
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Alexander Barniakov (Novosibirsk State University (RU))26/05/2020, 16:18
The Super Charm-Tau Factory is an electron-positron collider experiment in the center of mass energy range from 2 to 6 GeV with peak luminosity 10$^{35}\text{cm}^{-1}\text{s}^{-1}$. The luminosity in 100 times higher than at BES-III experiment will be provide due to implementation of Crab-Waist scheme of collision and submillimeter vertical beta-function. Also the high level of longitudinal...
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Damien Neyret (Université Paris-Saclay (FR))26/05/2020, 16:18
Time projection chambers read by gaseous detectors are widely used but the gaseous amplification has several drawbacks: constraints on the gas mixture, energy resolution degradation, ion backflow in the drift volume. The present project proposes to detect directly the primary ionization electrons, with several applications: hydrogen TPC as proton active target, search for neutrinoless...
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Mr Patrick Krause ( Technische Universität München)26/05/2020, 16:18
The GERDA experiment reached the most stringent limit for the neutrinoless double-beta decay in $^{76}$Ge. A median sensitivity of $1.1\cdot10^{26}$ years and a lower half-life limit of $0.9\cdot10^{26}$ years (90% C.L.) were achieved with a background index of $5.6^{+3.4}_{-2.4}\cdot10^{-4}$ cts/(keV kg yr). This low background rate was obtained by a combination of pulse shape discrimination...
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26/05/2020, 16:36
The next-generation experiment JUNO, expected to begin operation in 2021, will advance the capability of reactor neutrino experiments to determine neutrino mass ordering and precisely measure several neutrino mixing parameters. JUNO also has rich physics programs on supernova-neutrinos, solar-neutrinos, geo-neutrinos, proton decays and exotic searches. JUNO has one 20-kton liquid-scintillator...
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26/05/2020, 16:36
The SCT telescope has been proposed as a medium-sized telescope for the Cherenkov Telescope Array. One of the major upgrades is to fully equip the telescope camera with improved SiPM sensors and a new Front End Electronics Module (FEEM). The new FEEMs aim to read-out and digitize the SiPM pre-amplified signals down to the single photoelectron (phe). This phe signal is assumed equivalent to a...
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Davide Fiorina (Universita & INFN Pavia)26/05/2020, 16:36
In the framework of the HL-LHC project, the upgrade of the CMS Muon System foresees the installation of three new muon stations based on the GEM technology, named as GE1/1, GE2/1 and ME0 detectors. The CMS GEM Group has developed a novel construction design of GE1/1 triple-GEM detectors; in particular, a new self-stretching technique has been introduced to mechanically stretch the GEM foils...
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Dr Oskar Hartbrich (University of Hawaii at Manoa)26/05/2020, 16:36
The Time of Propagation (TOP) detector is a novel particle identification system developed for the barrel region of the Belle II detector at the SuperKEKB collider at KEK in Tsukuba, Japan. The detector is based on reconstructing the emission angle of Cherenkov photons generated in its quartz radiator bars by measuring the propagation time of individual photons to the Micro-Channel Plate PMT...
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Mr Vishal Kumar (Saha Institute of Nuclear Physics, Homi Bhabha National Institute)26/05/2020, 16:54
Charging-up is a common phenomenon observed while working with gaseous ionization detector having dielectric material. It is mainly comprised of two processes namely, the polarization of dielectric due to exposure of high electric field and collection of charges on the dielectric surface. Both of these charging-up processes affect the gain of the detector as they change the local field...
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26/05/2020, 16:54
The capacitive division image readout (C-DIR) is a mechanically and electronically simple charge centroiding readout for single photon imaging detectors such as microchannel plate (MCP) detectors. Its purely capacitive nature endows it with a) very high signal bandwidth allowing MCP-limited time resolution, and b) low capacitance measurement nodes, allowing improved signal to noise charge...
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Neville Harnew (University of Oxford (GB))26/05/2020, 16:54
The TORCH time-of-flight detector is designed to provide a 15 ps timing resolution for charged particles, resulting in pi/K particle identification up to 10 GeV/c momentum over a 10 m flight path. Cherenkov photons, produced in a quartz plate of 10 mm thickness, are focused onto an array of micro-channel plate photomultipliers (MCP-PMTs) which measure the photon arrival times and spatial...
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Dr Laura Marini (University of California, Berkeley)26/05/2020, 16:54
The Cryogenic Underground Observatory for Rare Events (CUORE) is the first bolometric experiment searching for neutrinoless double-beta decay (0νββ) that has been able to reach the one-ton scale. The detector, located at the Laboratori Nazionali del Gran Sasso in Italy, consists of an array of 988 TeO$_2$ crystals operated as cryogenic bolometers at 10 mK. The construction of the experiment...
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Mr Keita Yumino (The Graduate University for Advanced Studies, SOKENDAI, KEK)26/05/2020, 17:12
Gas amplification of the electrons created by X-rays or charged particles plays an essential role in their detection with gaseous detectors. However, its gain fluctuates because of avalanche statistics, thereby degrading the energy resolution for monochromatic X-rays or the spatial resolution at long drift distances for large Time Projection Chambers (TPCs). We have developed a novel technique...
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26/05/2020, 17:12
The Hyper-Kamiokande is a next-generation Water Cherenkov detector, of 68 m diameter and 71 m height, for neutrinos physics and proton decay search. We plan to install the front-end electronics (FEEs) under the water and near the PMTs to collect the PMT’s signals with less deterioration in the large detector, and then connect electronics to downstream DAQ with optical fibers. Key design...
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David Emschermann (GSI Helmholtzentrum fuer Schwerionenforschung GmbH)26/05/2020, 17:12
The Compressed Baryonic Matter experiment (CBM) at FAIR is designed to measure at unprecedented interaction rates up to 10MHz to study extremely rare probes in nucleus-nucleus collisions with high precision. Hence, CBM will be equipped with fast and radiation hard detector systems, readout by a free-streaming data acquisition system, transporting data with up to 1TB/s to a large scale computer...
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Susanne Kuehn (CERN)27/05/2020, 09:00Invited
Motivate vertex detector at collider. Describe technologies.
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Abraham Seiden (University of California,Santa Cruz (US))27/05/2020, 09:30Invited
Motivate fast timing. Present new technologies (LGADs,...)
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Ms Andreia Cristina Maia Oliveira (CERN, FCT and Albert Einstein Center for Fundamental Physics (AEC), Laboratory for High Energy Physics (LHEP), University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland)28/05/2020, 09:00
We propose a novel detector for quality assurance in hadron therapy, for which an accurate dose calculation and verification with high spatial accuracy are required. For this purpose, a promising tool is the GEMPix detector, which combines a triple GEM (Gas Electron Multiplier) and a quad Timepix ASIC used as highly pixelated readout. The GEMPix (active area 28x28 mm$^2$) is capable of...
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Ben Carlson (University of Pittsburgh)28/05/2020, 09:00
The ATLAS level-1 calorimeter trigger hardware will be upgraded between the end of Run 2 and the start of Run 3. An overview of the hardware upgrades will be presented. Details of the algorithm design will be presented, along with the projected performance for electrons, jets and missing transverse momentum triggers.
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Mr Tobias Schiffer (University of Bonn)28/05/2020, 09:00
In the scope of the search for axions and axion like particles (Alps) with helioscopes, like the International Axion Obeservatory (IAXO) and its precurser BabyIAXO, detectors capable of measuring low energy X-rays down to the 200 eV range are necessary. For this purpose the GridPix detector is an appropriate solution, which has already been used successfully at CAST.
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The GridPix is a... -
28/05/2020, 09:00
Thick GEM (THGEM) is one of the promising micro-pattern gaseous detectors (MPGDs), its attractive advantages are high gain, robust and low cost. THGEM is suitable for Digital Hadron Calorimeter(DHCAL), TPC tracker readout, muon、neutron and single photon detection, and so on. In recent years, we developed some new types of THGEMs, such as new FR4 THGEM, ceramic THGEM, Multi-layer THGEM...
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Bjoern Seitz (University of Glasgow)28/05/2020, 09:18
A compact scintillation detector system based on SiPM and GAGG:Ce crystals has been developed to provide a small $\gamma$-spectroscopy system for the deployment in pipe-work with suspected nuclear contamination. The sensor also shows very good performance in the detection of $\beta$-particles.
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An energy resolution of 7% for $E_\gamma=662 keV$ has been achieved with a peak-to-total ratio of... -
Mrs Lisa Glöggler (CERN/TU Berlin)28/05/2020, 09:18
The primary goal of the AEgIS experiment is to measure the gravitational acceleration on antimatter by means of deflectometry/interferometry. This requires the simultaneous detection of the impact position and time of arrival of the atoms at a detector with high resolution. The detection of a low-velocity positronium (Ps) beam with (88 ± 5) µm spatial resolution was demonstrated [1]. Based on...
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Shaochun Tang (Brookhaven National Laboratory (US))28/05/2020, 09:18
The ATLAS experiment will undergo a series of upgrades during the 2019-2021 LHC shutdown to maintain physics performance in the increasingly harsh collision environment. The Front-End Link eXchange (FELIX) will be introduced into the readout system as part of this upgrade. FELIX will be the interface between the data acquisition; detector control and TTC (Timing, Trigger and Control) systems;...
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Alexander Kiselev28/05/2020, 09:18
We report on results which demonstrate that it is possible to achieve significant improvements in the spatial resolution of the planar 1D and 2D MPGDs with a relatively coarse pitch by using optimized zigzag-shaped readout electrodes instead of the conventional straight strips and square pads. The emerging readout plane configurations exhibit virtually no differential non-linearity (DNL) in...
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Abraham Tishelman Charny (Northeastern University (US))28/05/2020, 09:36
This presentation will summarize the ECAL trigger performance achieved during LHC Run 2 (2015-2018). It will describe the methods that are used to provide frequent calibrations of the ECAL trigger primitives during LHC operation. These are needed to account for radiation-induced changes in crystal and photodetector response and to maintain stable trigger rates and efficiencies up to |eta|=3.0....
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28/05/2020, 09:36
NEWS-G (New Experiments With Spheres-Gas) is an experiment searching for dark matter using the Spherical Proportional Counter (SPC) technique. SPCs are low capacitance detectors which allow the detection of gas ionisation with very low (single electron) thresholds. It consists in a grounded metal sphere with a small sensing anode at the center, creating a radial electric field.
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Using a UV... -
Ms Isabelle Schilling (TU Dortmund)28/05/2020, 09:36
Advanced imaging and treatment techniques in proton therapy allow conformal high dose irradiation of the target volume with high precision using pencil beam scanning or beam shaping apertures. These irradiation methods increasingly include small radiation fields with large dose gradients at the edges, which require the development of new micro dosimetry systems with precise spatial resolution...
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28/05/2020, 09:36
The Axion Dark Matter eXperiment (ADMX) searches for Axions, a hypothetical dark matter candidate, through conversion to photons in a high magnetic field that are subsequently detected within a resonant cavity. The rate that this detector is able to scan potential axion masses (or photon frequency) depends linearly on the cavity quality factor. Though Superconducting Radio Frequency cavities...
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Dr Benedetto Di Ruzza (TIFPA-INFN & University of Trento)28/05/2020, 09:54
Due to the advantageous characteristics of charged particles' energy deposition
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in matter, proton or $^{12}$C beams are used to treat deep-seated solid tumors.
Using these beams, the maximum of the dose is released to the tumor tissues at
the end of the beam range, in the Bragg peak region. In this process
nevertheless, fragmentation of both projectile and target nuclei can occur
in the... -
Prof. William Fairbank (Colorado State University)28/05/2020, 09:54
The identification, or “tagging” of the barium-136 daughter atom that results from double beta decay of xenon-136 provides a promising technique for elimination of all backgrounds except 2-neutrino double beta decay in future generations of 136Xe neutrinoless double beta decay experiments. We have demonstrated that individual Barium atoms can be imaged and counted in two of four matrix sites...
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Beatrice Mandelli (CERN)28/05/2020, 09:54
Resistive Plate Chamber (RPC) detectors are widely used at the CERN LHC experiments. They are operated with a gas mixture containing C2H2F4 and SF6, both greenhouse gases (GHG) with a high global warming potential (GWP). The search of new environmentally friendly gas mixtures is necessary to reduce GHG emissions and costs as well as to optimize RPC performance.
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Several new gases with low GWP... -
28/05/2020, 10:12
A new readout scheme allowing the exploitation of Resistive Plate Chamber (RPC) spatial precision while using a limited number of electronic channels was designed. The new scheme that exploits the spread of the RPC induced charge on several adjacent inter-connected pads, allows the simultaneous detection of several particles without ambiguity. In this scheme, pads are connected in rows...
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28/05/2020, 10:12
The identification of a single barium ion in coincidence with an energy deposit measured with a precision of 1% in xenon is widely recognized as an unambiguous signature of neutrinoless double beta decay. The detection of single ions in tons of xenon, however, is a major experimental challenge. In this talk I will discuss barium tagging methodologies based on single molecule fluorescence...
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28/05/2020, 10:12
Proton radiotherapy uses beams of protons to treat cancer. In Proton radiotherapy the dose can be localised to the cancer volume with a reduced dose to healthy tissue caused by the incident beam, and almost no dose downstream. Novel ways of delivering the dose during proton radiotherapy are under development, two such techniques form the basis of this work. The first is FLASH proton therapy,...
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28/05/2020, 10:12
The new trigger system will be able to receive tracks reconstructed from silicon tracker hits by a level-1 track trigger and will evaluate algorithms that were previously reserved to the high-level trigger, such as vertex finding and particle flow. The final element in the level-1 trigger, the Global Trigger, will receive a large number of physics object collections reconstructed with...
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28/05/2020, 11:00
A highly granular silicon-tungsten electromagnetic calorimeter (SiW-ECAL) is the reference design of the ECAL for International Large Detector (ILD) concept, one of the two detector concepts for the detector(s) at the future International Linear Collider. Prototypes for this type of detector are developed within the CALICE Collaboration. Since 2019 a highly compact digital read out card,...
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Mr Markus Gruber (University of Bonn (DE))28/05/2020, 11:00
In our group there are several gaseous detectors in development based on a highly granular pixel ASIC (Timepix/Timepix3) and a MicroMegas gas amplification stage (InGrid). The MicroMegas is aligned with the pixel structure so that one grid hole is directly above one pixel. The combination of the Timepix and the InGrid is called GridPix. Its advantage is its high granularity combined with low...
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28/05/2020, 11:00
At Jefferson Lab, the new CLAS12 spectrometer has been collected its first physics data with a 10.6GeV electron beam at a luminosity of $10^{35}$cm$^{-2}$s$^{-1}$. The Central Vertex Tracker (CVT) is situated within a 5T-solenoidal field surrounding a proton target. It consists of a tracker based on Micromegas and silicon detectors used in combination, in order to optimize spatial resolution...
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28/05/2020, 11:00
The central Barrel Timing Layer (BTL) will be based on LYSO:Ce crystals read out with silicon photomultipliers (SiPMs). The BTL will use elongated crystal bars, with double-sided read out, with a SiPM on each end of the crystal, in order to maximize detector performance within the constraints of space, cost, and channel count. We will present an overview of the MTD BTL design, detailed in the...
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Prof. Gerald Eigen (University of Bergen (NO))28/05/2020, 11:18
We present new light yield and uniformity measurements of hexagonal scintillator tiles since they provide a better match to the cells of the SiD electromagnetic calorimeter. They also yield a better signal-to-noise ratio than square tiles. We use three different readout schemes: via a Y11 fiber, a directly coupled SiPM at the center of the tile in a dimple and a SIPM attached to the side of...
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28/05/2020, 11:18
Proton radiotherapy offers an improved healthy tissue to tumour ratio compared with conventional x-ray radiotherapy when treating certain forms of cancer. Conversion from x-ray CT to proton stopping powers can lead to uncertainties in the dose delivery of >3%. The development of proton CT to directly measure the stopping powers has proven very promising over the last five years. With the move...
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Muon Coll. ATLAS (ATLAS)28/05/2020, 11:18
The ATLAS collaboration at LHC has chosen the resistive Micromegas (MM) technology, along with the small-strip Thin Gap Chambers (sTGC), for the HL upgrade of the first muon station in the high-rapidity region, the so called New Small Wheel (NSW). Installation of the first NSW is foreseen in 2020. The construction of the four types of large size quadruplets, with surface areas between 2 and 3...
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Karol Hennessy (University of Liverpool (GB)), Jan Buytaert (CERN)28/05/2020, 11:18
The current Vertex Locator (VELO) detector will be replaced from strips to pixels in the LHCb upgrade in 2020. This work focuses on the architecture of the readout chain and the challenges of the high speed data transmission and processing. The readout is divided in 3 parts: frontend VeloPix ASIC, the control and timing interface ASIC (GBTx), and the the FPGA backend board. The VeloPix is a...
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Henry Klest (Stony Brook University)28/05/2020, 11:36
The sPHENIX detector at RHIC is being designed to precisely measure jets, jet correlations, and dilepton pairs with the goal of learning about the energy-dense quark-gluon plasma. With these measurements in mind, sPHENIX will employ a compact TPC covering 20cm < r < 78 cm and |𝜂| < 1.1 as the central tracker.
Utilizing an optimized Ne-CF4 gas mixture, zigzag readout pads, a 1.4T solenoid,...
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28/05/2020, 11:36
Japan’s KEK laboratory started developing silica aerogels as a Cherenkov radiator around 1980. The high-energy physics group at Chiba University began aerogel R&D 15 years ago, collaborating with KEK. Improving aerogel transparency enables the design of state-of-the-art ring-imaging Cherenkov (RICH) detectors. This study was first motivated by the radiator R&D for the Belle II Aerogel RICH...
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Michael Lupberger (University of Bonn (DE))28/05/2020, 11:36
Thermal neutrons are used in different fields as archaeology, cancer therapy, material science or fundamental particle physics. To enhance capabilities of neutron facilities, the development of high precision thermal neutron detectors and their readout electronics is indispensable. Due to Helium-3 shortage, new detector concepts are sought.
The Bonn group transfers well-understood...
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28/05/2020, 11:36
During LS3, the CMS Detector will undergo a major upgrade for the Phase-2 of the LHC physics program, starting around 2027. The upgraded CMS detector will be read out at a data rate of up to 50 Tb/s with an event rate of 750 kHz, selected by the level-1 hardware trigger, and an average event size of 8 MB. We present the baseline design of the DAQ.
A DAQ and Timing Hub (DTH) board acts as an...
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28/05/2020, 11:54
BESIII (Beijing Spectrometer III) is a multipurpose spectrometer optimized for tau-charm physics. Detector and accelerator are upgrading to allow BESIII to run until 2029.
Cylindrical Gas Electron Multipliers will replace the inner drift chamber to improve both secondary vertex reconstruction and the radiation tolerance. The CGEM-IT will be composed of three concentric layers of cylindrical...
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Tom Williams (Science and Technology Facilities Council STFC (GB))28/05/2020, 11:54
Serenity is a data-processing platform designed for use in the HL-LHC upgrades of the CMS tracker, endcap calorimeter and level-1 trigger, whose electronics systems will consist of several hundred cutting-edge boards connected by tens of thousands of high-speed optical links. The Serenity ATCA blade provides common services, including up to 11.6Tb/s of optical I/O and an on-board CPU. The...
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Jianxin Feng (University of Science and Technology of China (CN))28/05/2020, 11:54
Particle identification(PID) is crucial to particle physics experiments. The Ring Imaging Cherenkov(RICH) detector has been widely used for PID in a large momentum range, and long gaseous radiators are required to identify high-momentum particles. As to reduce the radiator length, a concept of windowless RICH was recently proposed and investigated.
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In this work, a windowless RICH detector... -
Antonio D'Addabbo (Istituto Nazionale di Fisica Nucleare)28/05/2020, 11:54
The CUORE experiment operates 742 kg of TeO$_2$ crystals as cryogenic bolometers at ~10 mK. The CUORE cryostat – the today’s largest mK infrastructure in the world – provides the cooling power at 4 K by mean of five Pulse Tube (PT) cryocoolers. The success of the experiment stands on the capability to mitigate the mechanical vibrations, which can significantly spoil the detector energy...
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Takuji Arihara (Department of Physics, Graduate School of Science, Tokyo Metropolitan University)28/05/2020, 12:12
T2K is a long-baseline neutrino experiment based in Japan that aims to observe for the first time the violation of the CP symmetry in the neutrino sector. The upgrade of the magnetized near detector (ND280) is under development. The neutrino active target is a 3D highly segmented plastic scintillator detector (SuperFGD) made of about two million cubes. The light readout is based on sixty...
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28/05/2020, 12:12
In recent years, significant progress has been made at LLNL in synthesizing a new class of plastic scintillators that support Pulse Shape Discrimination (PSD) and Li-6 doping. Two distinct chemistries have been developed to solubilize Li-6 compounds in organic solvents, in which they are typically insoluble. Elements as large as 40cm have been produced, with efforts continuing to improve...
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28/05/2020, 12:12
Gas and particulate analyzers are a group of devices used to measure and monitor the concentrations and sizes of gas or particulates in a volume. These devices have numerous applications from providing adequate safety to the working personnel in petroleum, chemicals, and power industries, to air quality monitoring and forest fire detection. Despite the ongoing researches in this field, the...
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Felicia Carla Tiziana Barbato (INFN - National Institute for Nuclear Physics)28/05/2020, 14:00Experiments: Space and particle astrophysicsParallel session talk
With the observation of the gravitational wave event of August 17th 2017 the multi-messanger astronomy era has definitely begun. With the opening of this new panorama, it is necessary to have new instruments and a perfect coordination of the existing observatories.
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Crystal Eye is a detector aimed at the exploration of the electromagnetic counterpart of the gravitational waves. Such events... -
28/05/2020, 14:00
The Jiangmen Underground Neutrino Observatory (JUNO) is the second phase of the reactor neutrino experiment upgrade from the Daya Bay Reactor Neutrino Experiment. The detector of the experiment was designed as 20k ton LS with an inner diameter of 34.5 meters casting material acrylic ball shape. Due to the gigantic shape of the detector there are approximate 400k channels of monitoring points...
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William Trischuk (University of Toronto (CA))28/05/2020, 14:00
As nuclear and particle physics facilities move to higher intensities, the detectors used there must be more radiation tolerant. Diamond is in use at many facilities due to its inherent radiation tolerance and ease of use. We will present radiation tolerance measurements of the highest quality poly-crystalline Chemical Vapor Deposition (pCVD) diamond material for irradiations from a range of...
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Muon Coll. ATLAS (ATLAS)28/05/2020, 14:00
The largest phase-1 upgrade project for the ATLAS Muon System at LHC is the replacement of the first forward stations with New Small Wheels (NSWs). Along with Micromegas, NSWs will be equipped with 8 layers of small-strip thin gap chambers (sTGC) arranged in multilayers of 2 quadruplets, for a total active surface of more than 2500m2. Each sTGC plane must achieve a spatial resolution better...
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28/05/2020, 14:18Experiments: Space and particle astrophysicsParallel session talk
The Gravitational wave high-energy Electromagnetic Counterparts All-sky Monitor (GECAM) project is the planned China’s space telescopes launched in 2020 for searching gamma-rays from gravitational wave events such as double neutron stars merging. GECAM features instantaneous full-sky monitor with two micro-satellites, which can be achieved with relatively short time and small cost based on...
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28/05/2020, 14:18
The DUNE detector is a long baseline neutrino experiment due to take data in 2025. The data acquisition system of the DUNE experiment will consist of a complex and distributed architecture designed to handle O(5) TB/s of incoming data from the readout system at a rate of 2 MHz.
One of the physics goals of the DUNE experiment is to detect neutrino signals from Supernova Burst events. These...
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Muon Coll ATLAS (ATLAS)28/05/2020, 14:18
We will discuss the performance of the Resistive Plate Chambers detector (RPC) and the Level-1 Muon Barrel trigger of the ATLAS experiment during the LHC data taking at 13 TeV. The Level-1 Muon Barrel trigger operates at the 40 MHz LHC collision rate and uses the RPC to select muon candidates in the barrel region. The RPC detector consists of 3600 gas volumes arranged in three concentric...
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28/05/2020, 14:18
The increase in instantaneous luminosity at the HL-LHC experiments will have a severe impact on event reconstruction. Original tracking capabilities could however be restored by measuring tracks with picosecond precision. The TIMESPOT Collaboration is developing innovative 3D pixel with the aim to build a demo mini-tracker using 55µm x 55µm silicon pixels with a time resolution below 50ps. A...
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28/05/2020, 14:36Experiments: Space and particle astrophysicsParallel session talk
The Cherenkov Telescope Array (CTA) will use three telescope sizes to effectively detect cosmic gamma rays in the energy range from several tens of GeV to hundreds of TeV. The Small Sized Telescopes (SSTs) will form the largest section of the array, with up to 70 telescopes covering an area of many square kilometres on the CTA southern site in Paranal, Chile. The SSTs will provide...
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Christopher Ketter (University of Hawaii)28/05/2020, 14:36
Commissioning of readout electronics for the Belle II K-Long and Muon (KLM) detector is discussed. Belle II is located at the interaction point of the SuperKEKB particle collider in Tsukuba, Japan. The KLM subdetector, formerly made solely from resistive-plate counters, has been partially upgraded with polyvinyltoluene scintillating bars, each covered in a TiO$_2$ reflective coating, embedded...
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Hendrik Jansen (Deutsches Elektronen-Synchrotron (DE))28/05/2020, 14:36
Future experiments in particle physics foresee few-micrometer single-point position resolution in their silicon vertex detectors, motivated by e.g. b- and light-quark-tagging capabilities. Instead of scaling down pitch sizes, our sensor concept seeks to improve the position resolution by using a dedicated charge sharing mechanism. In enhanced lateral drift (ELAD) sensors, this mechanism...
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Sven Dildick (Rice University (US))28/05/2020, 14:36
The CMS muon endcap trigger is being upgraded to prepare for data taking at the high-luminosity Large Hadron Collider. The upgrades are needed to cope with the increasing data rate in a challenging environment and to improve the sensitivity of the detector to physics beyond the standard model with displaced muons. Through the mid 2020s, the muon endcap system will be instrumented with new Gas...
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28/05/2020, 14:54
Belle ll experiment at SuperKEKB, high luminosity electron-positron collider, searches for new physics by consucting a detailed measurements of B meson and tau particles. In order to trigger physics events with high efficiency under high background environment, we developed level-1 trigger system based on central drift camber and electromagnetic calorimeter. We describe an overview of our...
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Jelena Ninkovic (Max Planck Society Semiconductor Laboratory)28/05/2020, 14:54
The DePFET is an active pixel sensor first introduced in 1987 (Kemmer&Lutz NIMA 1987) and is utilized in and suggested for experiments in astrophysics, planetary exploration as well as particle physics. The DePFET is essentially a pMOSFET built on a high resistive, fully depleted bulk. A deep-n implant beneath the MOS-gate forms a positive potential. Electrons are collected in this “internal...
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28/05/2020, 14:54Experiments: Space and particle astrophysicsParallel session talk
The Radio Neutrino Observatory in Greenland (RNO-G) is designed to make the first observations of ultra-high energy neutrinos at energies above 100 PeV via the detection of Askaryan radiation, and serve as a technology pathfinder for IceCube-Gen2. The experiment will comprise 35 autonomous stations deployed over a 5 x 6 km grid near to NSF's Summit Station in Greenland, making it the largest...
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28/05/2020, 14:54
The Vertex Locator (VELO), surrounding the interaction region of the LHCb experiment, reconstructs the collision points (primary vertices) and decay vertices of long-lived particles (secondary vertices). The upgraded VELO will be composed of 52 modules placed along the beam axis divided into two retractable halves. The modules will each be equipped with 4 silicon hybrid pixel tiles, each...
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28/05/2020, 15:12
The concept of digital calorimetry relies on measuring the number of particles in a shower rather than the energy they deposit. Ultra highly granular calorimeters are required to ensure that there is one particle per cell per readout cycle to avoid saturation effects. A small sensor prototype has been designed and fabricated in the TowerJazz 180 nm CMOS imaging process, using high resistivity...
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Muon Coll. ATLAS (ATLAS)28/05/2020, 15:12
For the LHC luminosity upgrade, ATLAS will install 2 muon New Small Wheels (NSW), which will significantly reduce the fake muon trigger rate and maintain muon tracking performance in the end-cap region of the detector. NSWs are made Micromegas (MM) and sTGC, both to be used for precision tracking and triggering, providing a total of 16 layers of redundancy. Detectors of both technologies are...
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Muon Coll. ATLAS (ATLAS)28/05/2020, 15:12
The ATLAS collaboration at LHC has chosen resistive Micromegas technology and small-strip Thin Gap Chambers (sTGC) for the high luminosity upgrade of the first muon station, New Small Wheel (NSW), in the high-rapidity region. Both technologies provide trigger and precision tracking. A total number of 768 pad Front-end Boards (pFEB), 768 strip Front-end Boards (sFEB) and 512 Level-1 Data Driver...
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Christian Spannfellner (Technical University of Munich (TUM))28/05/2020, 15:12Experiments: Space and particle astrophysicsParallel session talk
The Pacific Ocean Neutrino Experiment (P-ONE) is a new initiative between Canadian and German groups that aims to construct a large volume neutrino telescope in the Northeast Pacific Ocean and, in this way, complement the sky coverage of the existing or under construction neutrino telescopes. As part of the NEPTUNE observatory, established by ONC, two pathfinders were initiated and connected...
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28/05/2020, 16:00
The Mu2e experiment is designed to search for the charged-lepton-flavor-violating process, $\mu^-$ to a $e^-$, with unprecedented sensitivity. The single 105-MeV electron that results from this process can be mimicked by electrons produced by cosmic-ray muons traversing the detector. An active veto detector surrounding the apparatus is used to detect incoming cosmic-ray muons. To reduce the...
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Naomi Van Der Kolk (Nikhef National institute for subatomic physics (NL))28/05/2020, 16:00
In light of the upgrade program of the ALICE detector a forward calorimeter (FoCal) is being considered that must be able to discriminate decay photons from direct photons at high energy, requiring extremely high granularity. We are constructing a unique prototype of a digital e.m. calorimeter based on CMOS monolithic active pixel sensors (MAPS) that should fulfil this requirement.
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The... -
28/05/2020, 16:00
In present and future collider high-energy experiments, the increase of radiation level represents a crucial issue to be carefully monitored for understanding of the beam-induced background, replacement of detector parts and the overall experiment lifetime. In this work we present two different and very flexible radiation monitors. The fist one is based on single crystal CVD diamond sensors,...
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Sen Qian (Institute of High Energy Physics,CAS)28/05/2020, 16:00
The large scaler neutrino detectors (JUNO, HyperK), need the large area PMTs for the large photocathode coverage and less electronic channels. Researchers at IHEP have conceived a new concept of large area PMTs, of which the small MCP units replace the bulky Dynode chain. After several years R&D, the 20 inch MCP-PMT was successfully produced. This type of PMT has large sensitive area, high QE,...
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28/05/2020, 16:18
In the IRRAD Facility at CERN, radiation hardness tests are performed using a high intensity 24 GeV/c proton beam. Over one year, the total accumulated particle fluence exceeds 1e18 p/cm2, which represents a challenge for the beam monitoring instrumentation. During the 2014-2018 run, PCBs patterned with a matrix of sensing pixels were used as Secondary Electron Emission (SEE) Beam Profile...
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28/05/2020, 16:18
Based on the particle-flow paradigm, a highly granular sampling calorimeter with scintillator tiles as active material and stainless steel as absorber is proposed to address major challenges from precision measurements of jets at the future lepton colliders, such as the Circular Electron Positron Collider (CEPC). A wide range of R&D efforts are being carried on with the major aim to build a...
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Dr Qin Zhonghua (IHEP, CAS, China)28/05/2020, 16:18
The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose neutrino experiment. The main physics goal of JUNO is determination of neutrino mass hierarchy by utilizing reactor neutrinos. There will be appropriate 20000 20” PMTs equipped for JUNO, including 15000 MCP-PMT from NNVT and 5000 dynode-PMT from Hamamatsu. To achieve the designed 3%@1MeV energy resolution, the PMTs need to...
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28/05/2020, 16:18
The Mu2e experiment will measure the charged-lepton flavor violating (CLFV) neutrino-less conversion of a negative muon into an electron in the field of a nucleus. Mu2e will improve the previous measurement by four orders of magnitude, reaching a 90% C.L. sensitivity to CLFV conversion rates of $8\times10^{-17}$ or larger. The experiment will reach mass scales of nearly $10^4$ TeV, far beyond...
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Thomas Conneely (Photek LTD)28/05/2020, 16:36
New developments have allowed, for the first time, use of $6\,\mathrm{\mu m}$ pore MCPs in $53\times 53\,\mathrm{mm^2}$ active area MCP-PMTs, enabling improved magnetic field immunity and timing performance for single photon detection applications. The performance of Photek MAPMT253 MA-MCP-PMTs using ALD coated versions of these new MCPs will be assessed and compared with the standard...
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Ms Marion Lehuraux (CEA Saclay)28/05/2020, 16:36
Muon tomography consists in using cosmic muons to probe structures in a neither invasive nor destructive way. Following the first muography of a water tower using a muon telescope based on Micro-Pattern Gaseous Detectors and developed at CEA Saclay in 2015, the gaseous detectors and electronics have been developed to be more robust to high variations of temperature, allowing to operate in...
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28/05/2020, 16:36
RICH is the Ring Imaging CHerenkov detector of the NA62 experiment designed to measure the branching fraction of the ultra rare $K^{+}\rightarrow \pi^{+} \nu \overline{\nu}$ decay. The NA62 experiment took data in 2016-2018. An additional run is foreseen in 2021-2025 to complete the measurement. The RICH detector plays a fundamental role in the $K^{+}\rightarrow \pi^{+} \nu \overline{\nu}$...
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28/05/2020, 16:36
The two LHCb RICH detectors operated at the luminosity of $\sim 4 \times 10^{32}$ cm$^{-2}$s$^{-1}$, providing an excellent PID until the end of Run2 in 2018. From the beginning of Run3 in 2021 the Level 0 hardware trigger of the experiment will be removed to allow a data readout at the full rate of 40 MHz and the luminosity will be increased to $\sim 2 \times 10^{33}$ cm$^{-2}$s$^{-1}$. In...
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28/05/2020, 16:54
We will give you an overview of the ALPHA-g experiment at CERN to measure the gravitational force on antimatter, with the emphasis on the detector systems comprising the tracker based on radial-drift TPC, and the cosmic veto based on SiPM readout.
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Rina Onda (University of Tokyo)28/05/2020, 16:54
This study aimed to evaluate the effect of radiation damage on a VUV-MPPC caused by VUV light.
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We observed PDE degradation of VUV-MPPCs installed in liquid xenon γ detector for the MEG experiment under μ beam. One possible cause can be a surface damage at Si-SiO2 interface. The electric field near the interface can be reduced by accumulated holes from the ionization of incident particles.... -
Dr Gergo Hamar (Wigner RCP, Budapest)28/05/2020, 16:54
Muography is a novel imaging technology to reveal density structure of hill-sized objects. The cosmic muons predictably lose their energy and penetrate hundreds of meters into the ground, thus their differential local flux
correlates with the crossed density-length.The Sakurajima Muography Observatory in Kagoshima, Japan, is the largest muography experiment targeting an active volcano....
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28/05/2020, 16:54
The Belle II experiment aims to find physics beyond the standard model using a record size sample of B-Bbar pairs corresponding to the integrated luminosity of 50 1/ab produced in electron – positron collisions at the SuperKEKB accelerator facility in Japan. The Aerogel Ring Imaging CHerenkov counter (ARICH) is the particle identification device installed in the forward end-cap of the Belle II...
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28/05/2020, 17:12
The LHCb Collaboration is planning an Upgrade II, a flavour physics experiment for the high luminosity era. This will be installed in LS4 (2030) and targets an instantaneous luminosity of $1.5 \times10^{34} $ cm$^{-2}$ s$^{-1}$, and an integrated luminosity of at least 300 fb$^{-1}$. Physics goals include probing new physics scenarios in lepton flavour universality, obtaining unprecedented...
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28/05/2020, 17:12
Silicon photomultipliers (SiPMs) are now widely used in high-energy physics. They are popular because of their small size, their capability to detect single-photons, their insensitivity to magnetic fields, and their low radioactivity. It is, however, challenging to achieve high photon detection efficiencies in the UV and VUV. A feature that is very much desired in liquid Argon and Xenon...
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Alfonso Madera (Universita del Sannio (IT))28/05/2020, 17:12
The Curious Cryogenic Fish (CCF) is a robotic device that may in future operate in large cryostats used for particle physics experiments, such as DUNE. The goal is to perform visual inspections, diagnostic measurements and simple manipulative tasks, integrating the functionalities of a diagnostic station with the flexibility of an unmanned vehicle-manipulator.
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Such a device would allow to... -
28/05/2020, 17:12
The TRIUMF Ultra-Cold Advanced Neutron (TUCAN) collaboration is currently developing a new ultra-cold neutron (UCN) source to supply the neutron electric dipole moment (nEDM) search experiment. Finding a nonzero nEDM, or improving its current upper limit, will shed light on the baryon asymmetry of the Universe (BAU) - given that any measurable nEDM violates CP-symmetry which is also a crucial...
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Dr Akiko Gädda (ADVACAM Oy)
The ATLAS Inner Tracker (ITk) will be installed for the High Luminosity upgrade of the LHC (HL-LHC) as replacement for the existing Inner Detector. The total supply comprises about 14,800 high-quality, radiation tolerant Si planar n-on-p pixel sensors modules. The sensors will be flip chip bonded against new ATLAS read-out chips made with 65 nm CMOS technology. The pixel pitch is either 50x50...
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Tong Zhou (Chinese Academy of Sciences)
The Jiangmen Underground Neutrino Observatory (JUNO) is a multi-purpose underground neutrino experiment. About 18000 20-inch photomultipliers (PMTs) are instrumented in the Central Detector to detect the photons, and the signals will be captured by high-speed high-resolution waveform full sampling technique. This work builds a prototype DAQ system for JUNO, which can be used to test the full...
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Isabel Trigger (TRIUMF (CA))ExperimentsParallel session talk
A rather uninformative abstract.
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The knowledge of fundamental properties of the neutron helps us understand many aspect of the universe. CP violation might show up in a non-zero electric dipole moment (EDM) of the neutron, making EDM
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measurements the flagship of fundamental neutron physics.
Furthermore, 100 s after the Big Bang, the neutron lifetime influences e.g. the helium abundance in the Universe. Combined with other... -
The LHCb detector is currently being upgraded to cope with higher instantaneous luminosities and to read out data at 40 MHz using a trigger-less read-out system. The new main tracker consists of 250µm thick scintillating fibres (SciFi) and covers an area of 340 m$^2$. The tracker provides a spatial resolution for charged particles better than 80 µm. The scintillation light is recorded with...
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High Luminosity LHC will expand the physics reach of the CMS experiment, but only if the data can be efficiently collected. CMS is developing a new Level-1 trigger system to handle the increased data rate. An essential new feature is the availability of reconstructed tracks for every bunch crossing that can be used by the trigger system's decision making process, allowing new trigger options...
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