The first discoveries by LIGO and Virgo have established gravitational wave detectors as a powerful new tool for probing the highest energy astrophysical events in the universe. In this talk, I'll give an overview of the detectors and present the most recent results on the searches for binary black hole/binary neutron star mergers as well as searches for other classes of gravitational wave...
Particle physics has revolutionized our understanding of the Universe, and it is the epitome of basic research: seeking answers to fundamental questions. In its pursuit of knowledge, particle has also played a role in developing innovative technologies: frontier instruments like the Tevatron at Fermilab or the Large Hadron Collider (LHC) at CERN, and their detectors, require frontier...
During Run 3 and 4 ALICE (A Large Ion Collider Experiment) will gain two orders of magnitude in the statistics over the combined data collected during Run 1 and Run 2 at the LHC. ALICE will also conduct high-precision measurements of rare probes over a broad range of transverse momenta with particular focus on low signal-to-background probes at low pT values. To achieve that goal a sustained...
The Compact Muon Solenoid (CMS) detector at the CERN Large Hadron Collider (LHC) is undergoing an extensive Phase II upgrade program to prepare for the challenging conditions of the High-Luminosity LHC (HL-LHC). In particular, a new timing layer will measure minimum ionizing particles (MIPs) with a time resolution of ~30ps and hermetic coverage up to a pseudo-rapidity of |η|=3. This MIP Timing...
The Silicon Photomultiplier (SiPM) is a solid-state device capable of sensing, timing
and quantifying with high accuracy light signals down to the single-photon level.
Featuring large internal gain with negligible fluctuations, high intrinsic timing resolution,
low-voltage operation, insensitivity to magnetic fields, high degree of radio-purity,
mechanical robustness and excellent...
Scintillator based radiation detectors readout by SiPMs successively break records in their reached time resolution. Nevertheless, new challenges in time of flight positron emission tomography (TOF-PET) and high energy physics are setting unmatched goals in the 10ps range. Recently we have shown that high frequency (HF) readout of SiPMs significantly improves the measured single photon time...
A positron timing counter (TC) required 30-40 ps time resolution for ~50 MeV/c positron by the MEG II experiment has been developed. We employed the high segmented design with 512 scintillator plates ($120 \times 40 \times 5$ mm$^3$ and $120 \times 50 \times 5$ mm$^3$) attached 6-SiPM-array at the both ends. Pile up is reduced by the segmented design, and multi-counter measurement improves the...
The city of Vienna was essentially founded by the ancient Romans. In the late middle ages, it became the capital of the Habsburg Empire, and consequently grew in size and importance. Even though there are some Roman excavations, most of the architectural heritage originates from the monarchy. In particular, the turn of the 19th to 20th centuries was undoubtedly a peak in many aspects of arts...
I will discuss recent efforts in applying quantum information science (QIS) technology to High Energy Physics experiments, in particular efforts using quantum sensors in the search for low mass dark matter, and axion-line particles. I will also discuss the possible applications in QIS for technologies developed for HEP experiments.
The era of High Luminosity Large Hadron Collider will pose unprecedented challenges for detector design and operation. The planned luminosity of the upgraded machine is $5-7.5\times10^{34} \mathrm{cm}^{-2}\mathrm{s}^{-1}$, reaching an integrated luminosity of 3000-4000 fb$^{-1}$ by the end of 2039. CMS Tracker detector will have to be replaced in order to fully exploit the delivered luminosity...
In the high-luminosity era of the Large Hadron Collider, the instantaneous luminosity is expected to reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. To cope with the resulting increase in occupancy, bandwidth and radiation damage, the ATLAS Inner Detector will be replaced by an all-silicon system, the Inner Tracker (ITk). The innermost...
A wide range of gas mixtures is used for the operation of different 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 affecting the market with price increase and reduced availability.
The reduction of GHG emissions is an objective of paramount...
The Time Projection Chamber (TPC) of the ALICE experiment is being upgraded with new readout chambers based on Gas Electron Multiplier (GEM) technology during the second long shutdown of the CERN Large Hadron Collider. The upgraded detector will operate continuously and trigger-less without the use of a gating grid. It will thus be able to read out all minimum bias Pb-Pb events that the LHC...
The micro-Resistive-WELL (μ-RWELL) is a compact, simple and robust Micro-Pattern Gaseous Detector (MPGD) developed for large area HEP applications requiring the operation in harsh environment.
The detector amplification stage, similar to a GEM foil, is realized with a polyimide structure micro-patterned with a blind-hole matrix, embedded through a thin Diamond Like Carbon (DLC) resistive layer...
CUPID-0 is the first large mass neutrinoless double beta decay (0νDBD) experiment based on cryogenic calorimeters with dual read-out of light and heat for background rejection. The detector, consisting of 26 ZnSe crystals, 2 natural and 24 enriched at 95% in Se82, coupled with bolometric light detectors, has been constructed respecting very strict protocols and procedures, from the material...
The EDET DH80k is a 1 MPixel camera system, optimized for the direct detection of 300 keV electrons from a TEM equipped with a pulsed, high intensity electron source. It was designed to record stroboscopic movies of dynamic processes with unprecedented temporal and spatial resolution. The camera consists of four identical modules with the complete set of frontend and peripheral electronics...
The CMS experiment at CERN will undergo significant improvements during the so-called Phase-II Upgrade to cope with a 10-fold increase in luminosity of the High Luminosity LHC (HL-LHC) era. Especially the forward calorimetry will then suffer from very high radiation levels and intensified pile-ups in the detectors. Thus, the CMS collaboration is designing a High Granularity Calorimeter (HGCal)...
The upgrades ATLAS and CMS for the High Luminosity LHC (HL-LHC) highlighted physics objects timing as a tool to resolve primary interactions within a bunch crossing. Since the expected pile-up is around 200, with an rms time spread of 170ps, a time resolution of about 30ps is needed. The timing detectors will experience a 1-MeV neutron equivalent fluence of $\Phi_{eq}=10^{14}$ and...
In light of the upgrade program of the ALICE detector a calorimeter at forward rapidities (FoCal) is being considered. This detector would measure photons, electrons, positrons and jets for rapidities eta > 3 offering a wealth of physics possibilities.
Its main focus is on measurements related to the structure of nucleons and nuclei at very low Bjorken-x and possible effects of gluon...
Abstract:
The PandaX-III experiment uses high pressure Time Projection Chambers (TPCs) to search for neutrinoless double-beta decay of Xe-136 with high energy resolution and sensitivity at the China Jin-Ping underground Laboratory II (CJPL-II). Fine-pitch Microbulk Micromegas will be used for charge amplification and readout in order to reconstruct both the energy and track of the...
Calorimeters for future leptonic collider experiments have to provide extreme precision in reconstructing energies of both isolated particles and jets springing off the colliding beams. Thanks to the expected energy resolution and the excellent particle ID capability, the dual-readout fibre calorimeter could be a possible solution. This calorimetric technique reconstructs the electromagnetic...
The direct search for dark matter (DM) at the sub-GeV/c² mass scale gained special interest during the last years, mainly motivated by various theoretical models. To search for individual DM-electron interactions in Si-semiconductor devices a readout noise level of less than 1e- RMS is required.
One possible technique which promise a sub-electron noise level is the *Depleted P-channel Field...
The latest test beam results of 3D detectors fabricated with poly-crystalline
chemical vapor deposition (CVD) diamonds will be shown. The devices have
50$\mu$m $\times$ 50$\mu$m cells with columns 2.6$\mu$m in diameter. In
one of the devices the cells were ganged in a 3$\times$2 cell pattern and
in the other the cells were ganged in a 5$\times$1 cell pattern to match
the layouts of the pixel...
The Mu2e experiment at Fermilab will search for the charged-lepton flavour violating neutrino-less conversion of a negative muon into an electron in the field of an aluminum nucleus.
The Mu2e detector is composed of a tracker and an electromagnetic
calorimeter and an external veto for cosmic rays.
The calorimeter plays an important role in providing excellent particle identification...
For the high-luminosity LHC upgrade, the ATLAS and CMS experiments are planning to include dedicated detector systems to measure the arrival time of Minimum Ionising Particles (MIPs). Such systems should provide a timing resolution of 30 ps per MIP. State-of-the-art timing technologies integrating Silicon photo-multipliers and plastic scintillators do not tolerate the hadron fluences expected...
The future Neutrinoless Double Beta Decay (0νDBD) experiments will require a particle detector easily scalable in mass and able to reach good energy resolution (around 2% or better) in the region of interest for the study of these rare decays, at about 3 MeV.
The ESQUIRE (Experiment with Scintillating QUantum dots for Ionizing Radiation Events) project aims at the development of a new category...
The electromagnetic calorimeter of the Belle II detector and its
performance in the first KEKB run during 2018 are described. It is a
high-granularity homogeneous calorimeter based on 8736 CsI(Tl)
scintillating crystals. The scintillation light is detected by two PIN
photodiodes. Electronics of the calorimeter provides signal readout with
2 MHz digitization followed by wave form analysis...
The tracking performance of the ATLAS detector relies critically on its 4-layer
Pixel Detector, that has undergone significant hardware and readout upgrades to
meet the challenges imposed by the higher collision energy, pileup and
luminosity that are being delivered by the Large Hadron Collider (LHC), with
record breaking instantaneous luminosities of 2 x 1034 cm-2 s-1 recently
surpassed.
The...
Status of the NEXT project
The NEXT program is developing the technology of high-pressure Xe gas TPCs with electroluminescent amplification (HPXe-EL) for neutrinoless double beta decay searches. The first phase of the program included the operation of two small prototypes, NEXT-DEMO and NEXT-DBDM, which demonstrated the robustness of the technology, its excellent energy resolution and its...
The challenges for new calorimetry for incoming experiments at intensity frontiers is to provide detectors with ultra-precise time resolution and supreme energy resolution.
Two very promising materials on the market are BrilLanCe (Cerium doped Lanthanum Bromide,
LaBr3 (Ce)) and LYSO (Lutetium Yttrium OxyorthoSilicate, Lu2(1-x) Y2x SiO5 (Ce)), supported by recent developments aiming at...
In 2017, CMS has installed a new pixel detector with 124M channels that features full 4-hit coverage in the tracking volume and is capable to withstand instantaneous luminosities of $2 \times 10^{34} cm^{-2} s^{-1}$ and beyond. Many of the key technologies of modern particle detectors are applied in this detector, like efficient DCDC low-voltage powering, high-bandwidth $\mu$TCA backend...
The use of high-purity germanium (HPGe) detectors enriched in the isotope $^{76}$Ge is one of the most promising techniques to search for neutrinoless double-beta decay, a process forbidden in the Standard Model of particle physics. A discovery of this lepton number violating process might answer the question of why the universe consists of matter (but not antimatter) and consequently, why...
The GERDA experiment searches for the lepton number violating neutrinoless double-beta decay of 76Ge operating bare, enriched Ge diodes in liquid argon. The BEGe detectors feature an excellent background discrimination from the analysis of the time profile of the detector signals, while the instrumentation of the cryogenic liquid volume surrounding the germanium detectors acts as an active...
The High Luminosity Large Hadron Collider (HL-LHC) at CERN is expected to collide protons at a centre-of-mass energy of 14 TeV and to reach the unprecedented peak instantaneous luminosity of $5-7.5x10^{34} cm^{-2}s^{-1}$ with an average number of pileup events of 140-200. This will allow the ATLAS and CMS experiments to collect integrated luminosities up to 3000-4500 fb$^{-1}$ during the...
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC). It is a sampling calorimeter made of steel plates and plastic scintillators, read out by approximately 10,000 photomultipliers. In 2024, the LHC will be upgraded to the High Luminosity LHC (HL-LHC) allowing it to deliver up to 7 times the nominal instantaneous design...
In spring 2018 the SuperKEKB accelerator in Tsukuba, Japan, provided first e+e- -collisions to the upgraded Belle II experiment. During this commissioning phase the volume of the innermost vertex detector was equipped with dedicated detectors for measuring the radiation environment as well as downsized versions of the final Belle II silicon strip (SVD) and pixel (PXD) detectors.
The PXD is the...
The detection of coherent-neutrino nucleus scattering (CEνNS) opens the door for new physics within and beyond the Standard Model of Particle Physics. NU-CLEUS is a novel neutrino experiment at a nuclear power reactor which allows for precision measurements with a novel cryogenic gram-scale detector design based on CRESST technology. A recent prototype detector has achieved an ultra-low energy...
The CMS electromagnetic calorimeter (ECAL) is a homogeneous calorimeter made of about 75000 lead tungstate scintillating crystals. In view of the high-luminosity phase of the LHC, the ECAL electronics must be upgraded to cope with the more stringent requirements in terms of trigger latency and rate. The new electronics will transmit the data in streaming mode from the front-end electronics to...
The long baseline neutrino experiment T2K has launched the upgrade project of its near detector ND280, crucial to reduce the systematic uncertainty to less than 4%. An essential component of this upgrade consists of the resistive Micromegas TPCs, for 3D track reconstruction, momentum measurement and particle identification. These TPC, with overall dimensions of 2x2x0.8 m3, will be equipped...
The observation of a neutrino-less double-beta (0$\nu\beta\beta$) decay
would be evidence of neutrino's Majorana nature, and it might be a clue
to explain the baryon asymmetry and the extremely light neutrino masses.
The half-life of 0$\nu\beta\beta$ decay is more than 10$^{26}$ year in
case of $^{136}$Xe, thus it is important to make radiopure detector to
find the very rare...
A novel pixelated charged particle detector with fast timing capabilities is under development. It addresses two important requirements for the next generation of position sensitive detectors: minimization of material budget and power consumption, while providing high granularity and excellent timing. It is a "thin" (tens of micron), window-less, vertically integrated, CMOS detector. Internal...
The ATLAS collaboration at LHC has endorsed the resistive Micromegas technology, along with the small-strip Thin Gap Chambers (sTGC), for the high luminosity upgrade of the first muon station in the high-rapidity region, the so called New Small Wheel (NSW) project. After the R&D, design and prototyping phase, the first series production Micromegas quadruplets have been constructed at all...
A new mechanism of proportional electroluminescence (EL) in two-phase Ar has been revealed, namely that of neutral bremsstrahlung (NBrS), that quantitatively describes the photon emission below the Ar excitation threshold and non-VUV component above the threshold. This paves the way for direct readout of electroluminescence (S2) signals in two-phase TPCs, using PMT and SiPM matrices, in...
Nature and properties of the Dark Matter (DM) in the Universe are among the most fundamental questions of the modern particle physics and astrophysics. So far, the only experiment that claimed detection of a signal from the DM is the DAMA/LIBRA NaI(Tl) experiment located at the Gran Sasso underground laboratory in Italy. Until the recent time, the main obstacle in repeating the DAMA/LIBRA...
Detectors with a time resolution of a few 10ps and robustness in high particle fluxes are necessary for precise 4D track reconstruction in future, high luminosity HEP experiments. In the context of the RD51 collaboration, the PICOSEC detector concept has been developed, which is a two-stage Micromegas detector with a photocathode coupled to a Cherenkov radiator. Single channel PICOSEC...
Due to their large active volume and low energy threshold for particle detection Time Projection Chambers (TPCs) are promising candidates to characterise neutrino beams at the next generation long baseline neutrino oscillation experiments such as DUNE and Hyper-K, the successor of the T2K experiment. The higher target density for the incoming neutrino beam of a TPC filled with gas at High...
The long baseline neutrino experiment T2K has launched the upgrade project of its near detector ND280, crucial to reduce the systematic uncertainty in the prediction of number of events at the far detector to less than 4%. An essential component of this upgrade is a highly segmented scintillator detector, acting as a fully active target for the neutrino interactions.
The baseline concept for...
The phase II upgrade of the HL-LHC experiments within the LHC intends to deepen the studies of the Higgs boson and to allow the discovery of further particles by adding an integrated luminosity of about $4000 fb^{-1}$ over 10 years of operation. This upgrade would overwhelm the installed pixel detector readout chips with higher hit rates and radiation levels than ever before. To match these...
Aerogel Ring Imaging CHerenkov counter (ARICH) - is the particle identification device installed in the forward region of the Belle II detector at SuperKEKB accelerator facility in Japan. The first electron – positron collisions at SuperKEKB took place 26 of April in 2018 during so called phase 2 run. Measured performance of the ARICH detector based on recorded bhabha events during phase 2 are...
The MEG experiment, at the PSI, aims at searching the charged lepton flavor violating decay $\mu^{+}\rightarrow e^{+}\gamma$. MEG has already determined the world best upper limit on the branching ratio: BR<4.2$\times10^{-13}$@90\%CL.
The new positron tracker is a high transparency single volume, full stereo cylindrical Drift Chamber (DC), immersed in a non uniform longitudinal B-field, with...
Traditional energy measurements in hadron detection have always been spoiled by the non-compensation problem. Hadronic showers develop an electromagnetic component, from neutral mesons’ decays, over-imposed on the non electromagnetic component. As the two are typically sampled with very different responses, fluctuations between them directly spoil the hadronic energy resolution. Dual-readout...
NA62 is the last generation kaon experiment at the CERN SPS aiming to study the ultra-rare $K^+ \rightarrow \pi^+ \nu \overline{\nu}$ decay. The main goal of the NA62 experiment is the measurement of this BR with 10% accuracy. This is achieved by collecting about 100 $K^+ \rightarrow \pi^+ \nu \overline{\nu}$ events.
The challenging aspect of NA62 is the suppression of background decay...
The CMS Muon Spectrometer is being upgraded (the GE1/1 project) during the LS2 shutdown (2019-2020) using large-area, trapezoidal-shaped triple-GEM detectors in the forward region, 1.6 < eta < 2.2. We present the chamber assembly and qualification procedure, as well as an overview of the results obtained during detector qualification. We report preliminary results on system integration and...
Observation of the neutrinoless double-beta decay (0v2b) is a key to solve the neutrino absolute mass and the Majorana nature. Recent 0ν2b search experiments will test the neutrino mass region allowed in case of the inverted mass ordering, but oscillation experiments favor the normal ordering. For 0v2b search in the normal ordering region, a background-free search with a 1-ton scale large...
The TORCH time-of-flight detector is designed to provide particle identification over the momentum range 2–10 GeV/c over large areas. The detector exploits prompt Cherenkov light produced by charge particles traversing a 10 mm thick quartz plate. The photons propagate via total-internal reflection and are focussed onto a detector plane comprising position-sensitive micro-channel plate (MCP)...
The Time Projection method is ideal to track low kinetic energy charged
particles. Large volumes can be readout with a moderate number of channels
providing a complete 3D reconstruction of the tracks within the sensitive volume.
The total released energy and the energy density along the tracks can be both measured allowing for particle identification and to solve the head-tail ambiguity of...
The ATLAS experiment at the Large Hadron Collider is currently preparing for a major upgrade of the Inner Tracking for the Phase-II LHC operation, scheduled to start in 2026. The radiation damage at the maximum integrated luminosity of 4000/fb implies integrated hadron fluencies over 2x10^16 neq/cm2 requiring a completed replacement of the existing Inner Detector. An all-silicon Inner Tracker...
The KLOE-2 experiment represents the continuation of KLOE and acquired 5.5 fb$^{-1}$ data from November 2014 to March 2018 with the aim of collecting the largest sample of $\phi$ mesons at the DA$\Phi$NE $e^+e^-$ collider at the Frascati National Laboratory of INFN.
A new tracking device, the Inner Tracker, was installed at the interaction region of KLOE-2 and it was operated together with...
Transition Radiation Detectors (TRD) has the attractive features of being able to separate particles by their gamma factor. The classical TRDs are based on Multi-Wire Proportional Chambers (MWPC) or straw tubes, filled with Xenon based gas mixture to efficiently absorb transition radiation photons. While it works for experiments with relatively low particle multiplicity, the performance of...
The Belle II experiment at the SuperKEKB collider of KEK (Japan) will accumulate $e^+e^-$ collision data at an unprecedented instantaneous luminosity of $8\times 10^{35}$ cm$^{-2}$s$^{-1}$, about 40 times larger than its predecessor experiment. The Belle II vertex detector consists of two layers of DEPFET based pixels (PXD) and four layers of double sided silicon strip detectors (SVD). The SVD...
Superconducting detectors (SCDs) are widely used in astroparticle physics experiments such as dark matter search and cosmic microwave background experiments. Kinetic Inductance Detector (KID) is one of the promising SDCs since KID has several technical advantages: very low fundamental noise, easy fabrication, and high scalability with frequency domain multiplexing. KID consists of microwave...
The increase of the particle flux (pile-up) 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...
Ones of the candidates for the Dark Matters are weakly interacting massive particles (WIMPs), and we expect that the Earth should experience a “wind” (named 'WIMP wind') against the direction of the rotation, where is direction to Cygnus.
In this study, we propose a new type Dark matter detector using single crystals in order to have higher detection efficiency than gaseous ones. Some team...
The instantaneous luminosity of the LHC will be increased by almost an order of magnitude
with respect to the design value by undergoing an extensive upgrade program for the
High-Luminosity LHC (HL-LHC). Many upgrades are foreseen for the thin gap chambers
(TGC) of the ATLAS Muon System. A Phase-I upgrade project is the replacement of the
present first station in the forward regions with the...
Digital and Semi-Digital Hadronic Calorimeters (S)DHCAL were suggested for future Colliders as part of the particle-flow concept. Though studied mostly with RPC-based techniques, studies have shown that MPGD-based sampling elements could outperform. An attractive, industry-produced, robust, particle-tracking detector for large-area coverage, e.g. in (S)DHCAL, could be the novel single-stage...
The SuperNEMO experiment will study decays of 82Se in order to look for neutrinoless double beta decays (0νββ), interactions that, if observed, would prove the Majorana nature of neutrinos. SuperNEMO inherits the tracking-calorimetry technology of NEMO-3, which allows for a clear determination of event kinematics, while aiming for an improved background suppression and 0νββ sensitivity. A...
CaLIPSO is an innovative $\gamma$ detector designed for high precision cerebral PET imaging. For the first time, liquid trimethylbismuth is used as sensitive medium. The detector operates as a time-projection chamber and detects both Cherenkov light and charge signal. Indeed, each 511-keV photon releases a single primary electron that triggers a Cherenkov radiation and ionizes the medium. As...
Scintillation light detection by imaging sensors presents a versatile and intuitive readout modality for gaseous radiation detectors. Based on visible scintillation light emission from gas mixtures such as Ar/CF4, optical readout provides images with high spatial resolution.
We present novel readout approaches including ultra-fast imaging for beam monitoring in addition to studies of optically...
The Mu3e experiment will search for the rare neutrinoless lepton flavor
violating mu+ -> e+e+e- decay and it aims at reaching an ultimate sensitivity
of 10^-16 on this branching ratio. The experiment will be performed at PSI
using the most intense continuous surface muon beam in the world (presently
~1x10^8 mu/s). In order to reach this sensitivity all backgrounds must be
rejected below this...
The RICH-1 Detector of the COMPASS Experiment at CERN SPS has been upgraded in 2016: four new Photon Detectors, based on MPGD technology and covering an active area of 1.4 square meters replace the previously used photon detectors (MWPCs with CsI photocathodes). The new detector architecture consists in a hybrid MPGD combination: two layers of THGEMs, the first of which also acts as a...
In Particle Therapy, the use of C, He and O ions as beam particles is being pursued to fully profit from their interaction with matter resulting into an improved efficacy in killing the cancer cells. An accurate on-line control of the dose release spatial distribution, currently missing in clinical practice, is required to ensure that the healthy tissues surrounding the tumor are spared,...
We have developed a gaseous pixel detector based on four Timepix3 chips that can serve as a building block for a large detector plane. To provide the required gas amplification a fine grid has been deposited on the chip surface by wafer postprocessing (GridPix technology). The precisely aligned grid holes and chip pixels having a pitch of 55 µm and the high time resolution of 1.56 ns of the...
X-ray computed tomography (CT) is widely used in diagnostic imaging of the interior of the human body; however, the radiation dose of conventional CT typically amounts to 10 mSv. Under such environments, X-ray photons are severely piled-up; therefore, the CT images are monochromatic and various artifacts are present due to beam hardening effects. In contrast, photon counting CT (PC-CT) offers...
The inner tracking layers of all LHC experiments were designed and developed to cope with the environment of the present Large Hadron Collider (LHC). At the LHC Phase-II Upgrade foreseen for 2026, the particle densities and radiation levels will increase by roughly an order of magnitude compared to the present LHC conditions. Therefore, the inner tracking layers will need to be replaced. The...
The MEV project started in 2016 the construction of an innovative muon tracking telescope expressly designed for the muography of the Etna Volcano, in particular one of the active craters in its summit area. The telescope is a tracker based on extruded scintillating bars with WLS fibers and featuring an innovative read-out architecture. It is composed of 3×1 m2 XY planes; the angular...
Novel theories beyond the Standard Model predict dark matter candidates that could provide a significant enhancement of the antideuteron and antiproton flux, in particular at low energies. The General Antiparticle Spectrometer (GAPS) experiment is the first antimatter search experiment designed specifically for low-energy cosmic ray antideuterons and antiprotons.
GAPS identifies antideuterons...
The Transient Current Technique (TCT) has been instrumental in the characterization of silicon radiation detectors over the last 20 years. Using visible or infrared lasers, excess carriers can be produced continuously along the beam propagation direction, the penetration depth of the light determining the length of the trail of charges. No spatial resolution is therefore obtained along this...
Measurement of gamma ray polarization can provide valuable insight in different areas of physics research: nuclear, particle and astrophysics. Also, since the polarizations of gamma quanta from positron annihilation are perpendicular, there have been studies to use these polarization correlations in Positron Emission Tomography (PET). The polarization of gammas can be determined from Compton...
Radiation damage effects at High Luminosity LHC expected fluences (2×1016 n/cm2 1 MeV) and total ionising doses (TID) (1 Grad) will impose very stringent constraints in terms of radiation resistance of solid-state detectors. The complex physical phenomena related to radiation damage effects can be addressed by means of TCAD tools aiming at evaluate the most suitable...
The Large High Altitude Air Shower Observatory (LHAASO) plans to build a hybrid extensive air shower (EAS) array with an area of about 1 km2 at an altitude of 4410 m a.s.l. in Sichuan province, China, aiming for very high energy gamma ray astronomy and cosmic ray physics around the spectrum knees. With an extensive air shower array covering an area of 1.3 km2 equipped with >40,000 m2 muon...
Future experiments in particle physics foresee few-micrometer single-point position resolution in their vertex detectors, motivated by e.g. b/light-quark-tagging capabilities. Silicon is today's material of choice for high-precision detectors and offers a high grade of engineering possibilities. Instead of scaling down pitch sizes, which comes at a high price for an increased number of...
proton Computed Tomography (pCT) is an emerging imaging modality useful in treatment of cancer using protons and heavy ions. The pCT collaboration in Bergen is building a prototype Digital Tracking Calorimeter (DTC) for proton therapy application. The DTC is a 41 layers of Si-Al sandwich structure where CMOS pixel sensors are used as the active element and aluminum is the absorbing material....
The MONDO (MOnitor for Neutron Dose in hadrOntherapy) project addresses the technical challenges posed by a neutron tracker detector: high detection efficiency and good backtracking precision. The project main goal is to develop a tracking device capable of fully reconstruct the four-momentum of the ultra-fast secondary neutrons produced in Particle Therapy treatments via double elastic...
MALTA is a full scale monolithic pixel detector implemented in ToweJazz 180nm CMOS technology. The small pixel electrode allowed for the implementation of a fast, low noise and low power front-end, which is sensitive to the charge released by ionizing radiation in a 20-25 um deep depleted region. The novel asynchronous matrix architecture is designed to ensure low power consumption and high...
We present results on measurements of the single photon time resolution on silicon photomultipliers using bi-luminescence. When a silicon photomultipler is biased passed breakdown, each avalanche produces a number of photons as electron-hole pairs recombine. If these photons enter a neighboring cell and trigger an additional avalanche, the process is referred to as optical cross-talk. We refer...
Measurements and analysis methods are presented with the aim to determine the SiPM performance after irradiation by neutrons to fluences between 10^9 and 5x10^14 neq/cm^2. SiPMs with 4384 pixels of 15x15 µm2 produced by KETEK are used.
Following measurements and analyses will be presented to determine the fluence dependence of the SiPM parameters given in the list.
1. Y–f from which the pixel...
In a PET scanner, the probability of early stage detection of cancer is increased by high spatial resolution and sensitivity. Depth Of Interaction (DOI) is an important quantity both in small PET scanners and also in whole-body PET machines.
The module we developed is a pixellated scintillator of LYSO crystals with single side readout and allows light recirculation thanks to a light and a...
Two different design concepts of the depleted monolithic CMOS active sensor (DMAPS) are realized in the large scale pixel matrixes, named LF-Monopix and TJ-Monopix. They are realized in so-called large and small electrode design in a pixel. In the large electrode DMAPS, a high bias voltage of 300 V is applied to the highly resistive wafer without damaging the readout electronics. Full...
MedAustron is an Austrian cancer treatment center for proton and carbon therapy. For clinical use protons are accelerated up to 250 MeV, whereas carbon ions will be available up to 400 MeV/u. The facility also features a unique beam line exclusively for non-clinical research. This research beam line will be commissioned for even higher proton energies of up to 800 MeV.
In this...
A new semiconductor process is being developed for manufacturing monolithic CMOS pixel detectors. The technology is based on direct bonding of 200 mm CMOS wafers to an absorber in a low-temperature, oxide-free, covalent wafer bonding process. It is applicable to any material such as Si, GaAs and epitaxial SiGe. The latter are realized by means of space-filling arrays of SiGe crystals which can...
Spontaneous parametric down-conversion (SPDC) of a visible pump photon is the generation of two less energetic, quantum entangled photons (QEPs), often in the near infrared (NIR), using a non-linear crystal such as beta barium borate (BBO). Since the detection of one QEP predicates the existence of its entangled twin, QEPs have previously been used to measure the absolute photon detection...
The Thin-TOF PET (TT-PET) project aims at the construction of a small-animal PET scanner based on silicon monolithic pixel sensors with 30 ps time resolution for 511 keV photons, equivalent to 100 ps time resolution for minimum ionizing particles. The high time resolution of the pixel sensor allows for precise time of flight measurement of the two photons and a significant improvement in the...
We will present a sensor chip for a capacitively coupled particle detector (CCPD). CCPDs have been proposed for several experiments and it has been demonstrated that the signals from the sensor to the readout chip can be transmitted when the chips are glued. However, it is still not proven whether gluing can be done fast on a large number of devices. Therefore, we are investigating a new...
Photon detection is a key factor to study many physical processes in several areas of fundamental physics research. Focusing the attention on photodetectors for particle astrophysics, we understand that we are very close to new discoveries and new results. In order to push the progress in the study of very high-energy or extremely rare phenomena (e.g. dark matter, proton decay, neutrinos from...
CMOS technology, which fueled the rapid growth of the information technology industry in the past 50 years, has also played and continues to play a crucial role in the remarkable development of detectors for High-Energy Physics (HEP) experiments. The amazing evolution of CMOS transistors in terms of speed, integration and cost decrease, allowed a continuous increase of density, complexity and...
Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region |η| < 3.2, and for hadronic and forward calorimetry in the region from |η| = 1.5 to |η| = 4.9. In the LHC Run-2 about 150fb-1 of data at a center- of-mass energy of 13 TeV have been recorded. The well calibrated and highly granular LAr Calorimeter reached its design...
The iTOP detector is a novel Cherenkov detector developed for particle identification at Belle II, an upgrade of the previous Belle experiment at KEK. The SuperKEKB accelerator, an upgrade of KEKB, collides electrons and positrons with a design luminosity of 8*10^(35)/(cm^2 s). In order to exploit the high collision rate Belle II has a trigger rate of up to 30 kHz.
The iTOP detector uses...
The Cryogenic Underground Observatory for Rare Events (CUORE) is the most massive bolometric experiment searching for neutrino-less double beta (0νββ) decay. The detector consists of an array of 988 TeO$_{2}$ crystals (742 kg active mass) arranged in a compact cylindrical structure of 19 towers. The construction of the experiment and, in particular, the installation of the towers in the...
DARWIN is a next-generation dark matter and neutrino observatory based on 50 tons of xenon. Its central TPC of 2.6 m diameter and height is operated as dual-phase detector with optimized light and charge read-out. It will allow to search for WIMPs at the GeV-TeV mass scale down to the "neutrino floor" where coherent interactions of astrophysical neutrinos start to dominate the interaction...
The Jiangmen Underground Neutrino Observatory (JUNO) is an experiment under construction in China with the primary goal of determining the neutrino mass hierarchy (MH) with reactor anti-neutrinos. The JUNO detector system consists of a central detector, an active veto system and a calibration system. The central detector is a 35 meter diameter transparent acrylic sphere containing a 20 kton...
With three-neutrino-families mixing firmly established in recent years, and the relatively large value of theta_13 observed, the race is on to discover CP Violation in neutrino mixing in accelerator-driven long baseline neutrino oscillation experiments. NOvA and T2K will continue to provide increasingly precise measurements of the PMNS mixing matrix parameters into the next decade. DUNE will...
The CALICE Collaboration has been conducting R&D for highly granular calorimeters since more than 15 years with an emphasis on detectors for Linear Colliders. This contribution will describe the commissioning, including beam tests, of large scale technological prototypes of a silicon tungsten electromagnetic calorimeter and hadron calorimeters featuring either a gaseous medium or scintillator...
The Large Area Picosecond Photo-Detector (LAPPD™) is a microchannel plate (MCP) based planar geometry photodetector featuring single-photon sensitivity, semitransparent bi-alkali photocathode, millimeter spatial and picosecond temporal resolutions and an active area of to 350 square centimeters. The “baseline” LAPPD™ employs a borosilicate float glass hermetic package. Photoelectrons are...
The hybrid pixel detector EIGER, featuring 75$\times$75 $\mu$m$^2$ pixel size, is a photon counter designed for use at synchrotrons. The chip and the complete readout system were designed at the Paul Scherrer Institut, Switzerland. A single chip consists of 256$\times$256 pixels and can acquire data at 22000~frame/s with 4-bit counter depth. In a full module, 4$\times$2 chips are bonded to a...
Progress in experimental physics relies often on advances and breakthroughs in instrumentation, leading to substantial gains in measurement accuracy, efficiency and speed, or even opening completely new approaches and methods. At a time when the R&D for the upgrade of the large LHC experiments is still in full swing, the Experimental Physics Department of CERN has proposed a new technological...
Looking forward to future High Luminosity LHC experiments, efforts to develop new tracking detectors are increasing. A common approach to improve track reconstruction efficiency in high pile-up conditions is to add time measurement per pixel with resolution smaller than 50 ps. Different sensor technologies are under development in order to achieve those performances, like low gain avalanche...
The long awaited Timepix2 from the Medipix2 Collaboration is due to be available this fall (2018), and plans are in place to expose it to the Heavy Ion beams at the HIMAC facility in Japan this December (2018). The initial goal is to evaluate the extended dynamic range of its' novel pre-amplifier design, and to exercise its' overall performance in a wide range of heavy ion beams. The...
The long slab is a new prototype for the SiW-Ecal, a silicon tungsten electromagnetic calorimeter for the ILD detector of the future International Linear Collider. This new prototype has been designed to demonstrate the ability to build a full length detecting layer (1.60m for the ILD barrel). Indeed, this length induces difficulties for clock and signal propagation and data integrity. The...
We present a novel 4D fast track finding system capable of reconstructing four dimensional particle trajectories in real time using precise space and time information of the hits. The fast track finding device that we are proposing is designed for the high-luminosity phase of LHC and it is based on a massively parallel algorithm to be implemented in commercial field-programmable gate array...
This paper describes a particle detection system that exploits the prompt signals from the scintillation light produced by ionizing particles in liquid argon. The system includes 10 R5912 Hamamatsu photomultipliers (PMTs) coated with TPB for the detection of the VUV scintillation light. A laser calibration system is used to set the gains and determine the relative timing of the PMTs. The setup...
Improvements of silicon detector technology for high energy physics applications demand the introduction of doping carriers into the sensor material to optimize the charge collection efficiency of the detecting devices. Total doping profile of any silicon sensor device can be measured with very high precision using secondary ions mass spectrometry (SIMS). In this work new 3D SIMS scannig...
ArgonCube is a novel, modular approach to Liquid Argon Time Projection Chambers (LArTPCs). ArgonCube segments the total detector volume into an number of electrically and optically isolated TPCs sharing a common cryostat, providing improved performance while also mitigating technical risks with LAr purity and electric field. The field shaping uses a continuous resistive plane, field-shell,...
In medical radiation dosimetry, the use of small photon fields is almost a prerequisite for high precision localized dose delivery to delineated target volume. The accurate measurement of standard dosimetric quantities in such situations depends on the size of the detector with respect to the field dimensions. Thanks to a new technology, polycrystalline diamond devices with 3-dimensional...
Coherent elastic neutrino nucleus scattering (CEvNS) has been predicted since 1973, but eluded detection for more than 4 decades mainly due to a lack of technology able to detect small nuclear recoils. The process was first observed in August 2017 using a spallation neutron source [1].
Complementary to it, new projects like CONUS try to detect CEvNS using reactor anti-neutrinos. CONUS is based...
The forward hadron calorimeter (FHCal) for the detection of the protons and neutrons in energy range of 1-5 GeV is discussed. Since the calorimeter will operate inside the superconductive magnet with limited available space its length is about one meter only. A single FHCal module consists of 42 lead/scintillator sandwiches arranging in overall 4 interaction lengths. However, it works well...
Growing energies of particles at modern or planned particle accelerator experiments as well as various cosmic ray experiments require particle identification at gamma factors of up to $\approx 10^5$. At present there are no detectors capable of identifying single charged particles with reliable efficiency in this range of gamma-factors.
New developments in pixel detectors allow to perform...
Machine learning is becoming ubiquitous across HEP. There is great potential to improve trigger and DAQ performances with it. However, the exploration of such techniques within the field in low latency/power FPGAs has just begun. We present HLS4ML, a user-friendly software, based on High-Level Synthesis (HLS), designed to deploy network architectures on FPGAs. As a case study, we use HLS4ML...
The ATHENA X-ray observatory was selected as ESA’s second large-class mission, scheduled to launch in the early 2030s. To enable detailed explorations of the hot and energetic universe, two complementary focal-plane instruments are coupled to a high-performance X-ray telescope. As one of these, the WFI (Wide Field Imager) features an unprecedented survey power by combining an excellent count...
The Jiangmen Underground Neutrino Observatory (JUNO) is a multipurpose neutrino experiment designed to determine neutrino mass hierarchy and precisely measure oscillation parameters. The R&D of large area microchannel plate photomultiplier tube (MCP-PMT) for JUNO started in 2011. In the last 3 years, much progress has been achieved. The high performance 8-inch and 20-inch prototypes were...
The ATLAS muon spectrometer comprises an efficient muon trigger system and high muon momentum resolution up to the TeV scale. In the regions at both ends of the inner barrel layer of the muon spectrometer the trigger coverage in combination with the endcap muon spectrometer is limited. In order to improve the muon trigger capabilities at higher luminosities, additional resistive plate chambers...
Recently, we demonstrated that epithermal and fast neutrons produce distinct γ-quanta in the energy range bellow 1 MeV in Gd containing media. These soft quanta can be detected in the scintillation material, containing Gd ions. One of the promising candidates for this purpose is gadolinium-gallium-aluminum garnet Gd3Al2Ga3O12 (GAGG) doped with Ce, having high light yield and excellent energy...
Imaging with cosmic muons dates back by decades, initiated by searching for hidden structures in the Chephren pyramid by Alvarez. Since then, the term “muography” was coined for this possibility offered by nature’s highly penetrating particles, and can be applied for imaging various large scale objects. As the observation point needs to be below the object of interest, either the detector is...
A new beam telescope, Lycoris, is currently being installed as an improvement for the DESY test beam infrastructure within the EU Horizon2020 AIDA-2020 project. Lycoris telescope is designed to cover a large area for providing a reference momentum measurement to beam users in an 1 T solenoid magnet. It consists of six layers of the 10×10 cm2 surface, 25 μm(50 μm) sensor(readout) pitch,...
PET (positron emission tomography) is used to preoperatively identify lymph node metastasis. However it is difficult to locate those lymph node metastasis during surgery. Intraoperative PET-laparoscope system consisting of an external fixed detector array and a movable detector which can be inserted into a patient’s stomach has been proposed to identify lymph node metastasis during gastric...
At the LMU Department of Medical Physics a portable platform for proton irradiation of small animals is under development for pre-clinical research with tumor bearing mouse models. The platform intends to use beams available at clinical facilities. It consists of a custom beamline to produce particle beams of the needed energy range and focus and several beam monitoring and imaging systems,...
We performed detailed studies to measure the effect of the mesh geometry and gas mixtures on the discharge behavior of resistive Micromegas.
A Micromegas detector has been built at CERN with a special design allowing to easily replacing the mesh. It has 1028 readout strips with a pitch of 400 μm, an active area of 40x50 cm2 and 128 μm high pillar spacers. The resistive strips, screen-printed...
MedAustron is a hadron synchrotron primarily designed and built for cancer tumor treatment. Besides its clinical purpose, it is equipped with a dedicated beam line for non-clinical research. This beam line can be used for beam tests utilizing protons with an energy of up to 252 MeV at the moment, but 800 MeV will be available through 2019 as well as Carbon ions.
In order to understand the...
Abstract: We have fabricated the 1024-pixel SiPM sensor and the associated electronics. We integrated the SiPM sensor and the electronics to build a pinhole camera. In this paper, we present the fabrication and assembly procedure of the SiPM sensor and the readout electronics, and the preliminary result of testing the pinhole camera. This camera can be readily used as an X-ray detector with an...
Two interaction points are foreseen for beam intersections of NICA collider at JINR. The event-by-event monitoring of collisions is required both for the beam tuning and for event selection using the precise timing (T0) of the events for MPD and SPD experiments at NICA. Data on the reaction plane and on the event centrality of nucleus-nucleus collisions should be also obtained for physics...
A feasibility study about the employment of widely and commercially avaliable CMOS imager sensors in a radioguided surgery probe for $\beta^-$ detection is presented.
The radioguided surgery is a medical technique, which involves the use of a manageable probe for the intraoperative detection of the radiation emission of radiopharmaceuticals. The probe support the visual inspection of the...
Because of its radiation resilience, p-type silicon has been established as baseline material for tracking detectors in upcoming high-luminosity physics experiments. When deciding on the quality of p-type silicon strip sensors, strip isolation is crucial. Regions of highly doped p+ implant (p-stop) are introduced between n+ strips to interrupt the electron accumulation layer that forms at the...
In this presentation results obtained in beam test experiments with 3D columnar pixel sensors interconnected with the RD53A readout chip are reported. RD53A is the first prototype in 65nm technology issued from RD53 collaboration for the future readout chip to be used in the upgraded pixel detectors. The interconnected modules have been tested on hadron beam at CERN before and after...
IDEA (International Detector for Electron-positron Accelerators) is a detector concept designed for a future leptonic collider operating as a Higgs factory. It is based on innovative detector technologies developed over years of R&D. In September 2018, prototypes of the proposed subdetectors have been tested for the first time on a beam line at CERN, setting a milestone for the detector...
Digital calorimetry relies on a highly granular detector where the cell size is sufficiently small so that only a single particle in a shower enters each cell within a single readout cycle. The DECAL sensor, a depleted monolithic active pixel sensor (DMAPS), has been proposed as a possible technology for future digital calorimeters. A DECAL sensor prototype has been designed and fabricated in...
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 to 2x10 34 cm-2 s-1, and an integrated luminosity of at least 300fb-1. Modest consolidation of the current experiment will also be introduced in LS3 (2025).
This talk will present an overview of the LHCb...
HEPS-BPIX2 is the second prototype of single-photon counting pixel detector with 1 million pixels developed for applications of synchrotron light sources. It follows the first prototype, HEPS-BPIX, with a pixel size of 150 µm x 150 µm and frame rate up to 1.2 kHz at 20-bit dynamic range. This paper contains a detailed description of HEPS-BPIX2 upgrade with a recently launched Through Silicon...
The direct dark matter search experiment CRESST (Cryogenic Rare Event Search with Superconducting Thermometers) uses scintillating $\mathrm{CaWO_4}$ single crystals as targets for possible nuclear recoils induced by Dark Matter particles. An intrinsic radioactive contamination of the crystals as low as possible is crucial for the sensitivity of the detectors. In the past $\mathrm{CaWO_4}$...
At the Institute for Nuclear Physics in Mainz the new electron accelerator MESA will go into operation within the next years. In the extracted beam operation (155 MeV, 150 μA) the P2 experiment will measure the weak mixing angle in electron-proton scattering in 10,000 hours operation time. Therefore the high-power beam dump of this experiment is ideally suited for a parasitic dark sector...
In direct searches for dark matter, the signature is a recoiling nucleus being hit by a massive dark matter particle, a so-called WIMP. A viable technology to search for such recoil signatures are detector arrays of Ge mono-crystals operated at a few mK temperature and equipped with electrodes and thermal sensors. Applying a small (few V/cm) external field, a simultaneous measurement of...
TOFPET2 is the second-generation design of a high-performance multichannel picosecond timing readout electronics ASIC produced by PETsys Electronics SA, Portugal. Originally developed for time-of-flight positron emission tomography using silicon photomultipliers, in this work we describe an experimental programme to evaluate the performance of TOFPET2 with pixelated microchannel plate...
The LHCb Vertex Locator (VELO) is a silicon micro-strip detector operating
extremely close to the LHC proton beams. During nominal data-taking the
innermost active strips are as close as ~8 mm to the beams.
This proximity makes the LHCb VELO
an ideal laboratory to study radiation damage effects in silicon detectors.
The analysis of charge collection efficiency (CCE) data showed that there is...
The Compressed Baryonic Matter(CBM) experiment at the upcoming FAIR facility will explore the phase diagram of hadronic matter in the region of highest baryon densities with various rare probes including light vector mesons and charmonium decaying into di-muon pairs. Unprecedented interaction rates of 10 MHz Au+Au collisions in an energy range (upto 11 AgeV) is a unique feature in CBM. The...
Microchannel-plate (MCP) PMTs were identified as the only suitable photon sensors for the DIRC detectors of the PANDA experiment at FAIR. PANDA is a hadron physics experiment which employs a high intensity antiproton beam of up to 15 GeV/c to perform high precision measurements of, among others, objectives like charmonium spectroscopy and search for gluonic excitations. As the long-standing...
The CMS experiment at the LHC is designed to study a wide range of high energy physics phenomena. It employs a large all-silicon tracker within a 3.8T magnetic solenoid, which allows precise measurements of transverse momentum (pT) and vertex position.
This tracking detector will be upgraded to coincide with the installation of the High-Luminosity LHC, which will provide luminosities of up...
With its ~1650 mˆ2 of MWPCs, the muon detector of LHCb is one of the largest instrument of this kind worldwide, and one of the most irradiated.
Currently we run at the relatively low instantaneous luminosity of 4x10ˆ32 cm-2s-1, nevertheless the most irradiated MWPCs already integrated ~0.7 C/cm of accumulated charge per wire. The statistics of gas gaps affected by high voltage trips in the...
The muon system of the CMS experiment includes 540 Cathode Strip Chambers (CSCs) that serve as the primary source for muon detection and triggering in the end cap region. The CSCs are intended to operate throughout the life of the CMS experiment, including the challenging environment of the HL-LHC era. To access the longevity of CSCs over the HL-LHC lifespan, a new campaign of accelerated...
A new technique for ion identification in Accelerator Mass Spectrometry (AMS) has been proposed based on measuring the ion track ranges using a low-pressure time projection chamber (TPC). As a proof of principle, the low-pressure TPC with charge readout using a THGEM multiplier was developed. The tracks of alpha-particles from various radioactive sources were successfully recorded in the TPC....
The FCAL collaboration develops fast, compact calorimeters to measure
the luminosity of electron-positron collisions with high precision
using small angle Bhabha scattering, and bunch-by-bunch using beamstrahlung
pairs. Searches for new physics also require the detection of high
energy electrons at low angles. Several sensor options, such as GaAs
or single crystal sapphire, are under...
The Lynkeos Muon Imaging System (MIS) uses cosmic-ray muons for the 3D-imaging of the contents of shielded nuclear waste containers. The detector system consists of four scintillating fibre tracker modules using 64 channel MPAMTs as readout, two above and two below the object to track the muons. Complex imaging algorithms then reconstruct a 3D image of the object and its contents.
The...
The Compressed Baryonic Matter Experiment (CBM) is one of the core experiments of the future FAIR facility at Darmstadt/Germany. This experiment will explore the phase diagram of strongly interacting matter in the regime of high net baryon densities with numerous rare probes. The Micro Vertex Detector (MVD) will determine the secondary decay vertex of open charm particles with $\sim 50~\rm \mu...
The developed high resolution scanner using focused UV light gave the possibility to study single photoelectron response of MPGDs on the sub-millimeter scale. This technology reveals the microstructure of photo-efficiency and local gain to quantitatively compare different GEM geometries and thus provides a powerful tool for GEM quality assurance.
The readout detector uses a single GEM with...
A glass capillary plate (CP) is a thin glass plate of 300 $\mu$m thickness with a large number of through holes (50 $\mu$m diameter with 64 $\mu$m pitch). The CP is one of a device for a hole-type micropattern gaseous detectors (MPGD) as represented by gas electron multiplier (GEM). We have been developing a neutron gas scintillation imager (n-GSI) consisting of a thin layer of $^{10}$B, a CP...
Whilst the thermal management needs of future silicon detectors are increasing, the mass and volume minimization of all ancillaries gets more demanding. This requires highly effective active cooling in very small channels. Due to its favourable thermo-physical properties, evaporative CO2 is used as refrigerant for the future generations of silicon detectors at LHC. However, available data on...
Three types of 50 cm-diameter photo-detectors were newly developed for a future large water Cherenkov detector, Hyper-Kamiokande. These detection performance was largely improved by adopting different amplification systems from a conventional 50-cm photomultiplier tube (PMT) in Super-Kamiokande.
A new PMT with a box-and-line dynode was completed by optimizing the surface curvature, alignment...
Large size and thin high-quality polycrystalline diamond were used to build the full carbon active target of the PADME experiment, at the Beam Test Facility (BTF) of the Laboratori Nazionali di Frascati, searching for a dark photon of mass up to about 23.7 MeV.
The diamond sensors were ordered from a US commercial firm and graphitic electrodes on the surfaces were produced by a UV excimer...
A method of imaging of ultra-fast processes, like explosion or fast combustion, at a synchrotron radiation beam is being developed at the Siberian Synchrotron and Teraherz Radiation Center (SSTRC). Two stations are operating at beam line 0 at the VEPP-3 storage ring and at beam line 8 at the VEPP-4M storage ring. Both stations are equipped with the detector for imaging of explosions DIMEX,...
Low energy threshold detectors are necessary in many frontier fields of the experimental physics. In particular these are extremely important for probing Dark Matter (DM) possible candidates. We present the activity of the AXIOMA matrix R&D project, a novel detection approach that exploits Rare gases crystals both undoped and doped maintained at low temperature. In the undoped matrices, the...
The DIRC technology (Detection of Internally Reflected Cherenkov light) offers an excellent possibility to minimize the form factor of Cherenkov detectors in hermetic high energy detectors. The PANDA experiment at FAIR in Germany will combine a barrel-shaped DIRC with a disc-shaped DIRC to cover an angular range of 5 to 140 degrees. Particle identification for pions and kaons with a separation...
A new generation of RPC chambers capable to withstand high particle fluxes (up to 2000 Hz/cm2) and instrumented with a precise timing readout electronics is proposed to equip two of the four high eta stations of the CMS muon system.
Doublet RPC detectors each made of two 1.4 mm HPL electrodes and separated by a gas gap of the same thickness are proposed. The new scheme reduces the amount of...
The Super C-$\tau$ Factory at Novosibirsk is a new experiment with e$^+$e$^-$- collider with energy W=2$\div$6 GeV and luminosity up to 10$^{35}$cm$^{-1}$s$^{-1}$ (in 100 times higher than in operated today experiments in this energy region). For successful execution of the broad experimental program development of universal detector with excellent parameters is needed. R&D activities on all...
We report on the fabrication of capacitively-coupled (AC) n+-in-p pixel detectors on magnetic Czochralski silicon substrates. In our devices, we employ a layer of aluminium oxide (Al$_2$O$_3$) grown by atomic layer deposition (ALD) as dielectric and field insulator, instead of the commonly used SiO$_2$. As shown in earlier research, Al$_2$O$_3$ thin films exhibit high negative oxide charge,...
Diamond-like Carbon (DLC), a newly recognized resistive material, is a kind of metastable amorphous carbon material. DLC has recently received considerable attention and is increasingly exploited in resistive electrodes to suppress discharges in Micro-Pattern Gaseous Detector (MPGD). DLC coating provided a new method to produce high-quality resistive electrodes for MGPDs owing to it’s low...
The range of application of high band-gap solid state detectors is expanding in those environments where the high neutron flux is an issue, such as the high-flux spallation neutron sources and the thermonuclear fusion experiments. In particular, Diamond and Silicon Carbide are considered an interesting alternative to Silicon thanks to their high resistance to neutron damage. In this work we...
The Belle II Silicon Vertex Detector (SVD) is currently being finalized and commissioned at the SuperKEKB factory, Tsukuba, Japan. For a reliable operation and data taking of the SVD a sophisticated and robust run and slow control system has been implemented, which utilizes the Experimental Physics and Industrial Control System (EPICS) framework.
EPICS uses client/server and publish/subscribe...
Photon counting computed tomography (PCCT) based on indirect conversion detectors took great interests from its low fabrication cost and easy handling. In order to satisfy both count rate requirements of over 2 Mcps/mm2 and spatial resolution requirements in PCCT, sub-mm pitch silicon photomultiplier array using silicon on insulator technology (SOI-SiPM) was fabricated and evaluated...
Detectors at future accelerators will require operation at rates up to three orders of magnitude higher than 15 kHz/cm$^2$, the hit rates expected in the current upgrades forward muon detectors of LHC experiments. A resistive Micromegas detectors with modified readout system can achieve rate capability up to few MHz/cm$^2$ and low occupancy, thanks to few mm$^2$ readout pads. We present the...
The Compressed Baryonic Matter (CBM) experiment aims at exploring the QCD phase diagram at large baryon densities with heavy ion beams in the beam energy range from 2 A GeV to 11 A GeV at the SIS100 accelerator of FAIR/GSI. For charged particle identification that is required by many observables that are sensitive to the phase structure like collective flow, phase space population of rare...
This work describes a comprehensive study of metal contacts on single crystals of II-VI group semiconductors, Cd1-xZnxTe and Cd1-xMnxTe. Both materials are candidates for numerous detector applications, while the former is more established, the latter has potential advantages. In this work we formed metal contacts on high resistivity Bridgman grown Cd1-xZnxTe and Cd1-xMnxTe crystals by thermal...
The TAIGA (Tunka Advanced Instrument for cosmic ray physics and Gamma Astronomy) facilities aims at gamma-ray astronomy at energies from a few TeV to several PeV, as well as cosmic ray physics from 100 TeV to several EeV. Combination of the wide angle Cherenkov timing detector TAIGA-HiSCORE with the 4-m class Imaging Atmospheric Cherenkov Telescopes (TAIGA-IACT) of FoV of 10x10 degrees...
The Tile Detector is a dedicated timing detector system developed for the Mu3e experiment, which is designed to search for the lepton-flavour violating (LFV) decay $\mu \rightarrow eee$ with a target sensitivity of $10^{-16}$. In order to determine the vertex of the three decay electrons, precise spatial and timing measurements are necessary, resulting in the requirement of a time resolution...
The ENUBET ERC project (2016-2021) is studying a narrow band neutrino beam where lepton production could be monitored at single particle level in an instrumented decay tunnel. For this purpose we have developed a specialized shashlik calorimeter with a compact readout. The modules are composed of 1.5 cm thick steel absorbers coupled to 5 mm thick plastic scintillators. A matrix of 3 x 3 fibers...
We report on the recent activity of the NA64 experiment at the SPS of CERN. The NA64 experiment uses a beam dump setup to conduct missing energy searches with a high intensity electron beam.
In 2016$\,$-$\,$2018 separate dedicated searches for two mediators between standard model and dark sector, a new light vector boson A' and a new short-lived neutral boson X, were performed. The A' was...
The Compressed Baryonic Matter (CBM) experiment will be one of the research pillars of FAIR (Darmstadt, Germany), which is currently under construction. High-intensity heavy-ions beams delivered by the SIS100 accelerator (FAIR Phase 1) will be used to explore the QCD phase diagram at high baryon densities. Interaction rates of up to 10 MHz on a fixed target will enable measurements at an...
The DAMIC (Dark Matter in CCDs) Experiment employs the active silicon of low-noise charge-coupled devices (CCDs) as a target to search for a variety of dark matter candidates with masses below 10 GeV. An array of seven 675-$\mu$m thick CCDs with a target mass of ~40 grams has been collecting data at SNOLAB since early 2017 and the next stage of the experiment, DAMIC-M, will be an array of CCDs...
The CiS Forschungsinstitut fuer Mikrosensorik is engaged in developments of radiation detector technologies on several different fields. Current projects are dealing with large area thinned sensors, active edge sensors and 3D-sensors.
The challenge of producing cost-efficient, thin and large-sized sensors for High Energy Physics experiments is approached by a wet etching technology. Cavities...
Under the JINR scientific program on study of hot and dense baryonic matter, a new accelerator complex the Nuclotron-based Ion Collider fAcility (NICA) is under construction. The Multi-Purpose Detector (MPD) will operate at one of the collider interaction point and it is optimized for investigations of heavy-ion collisions in energy range from 4 to 11A GeV.
TPC is proposed as central part of...
Forward hadron calorimeters with transverse and longitudinal segmentation are developed for upgraded heavy ion NA61 and BM@N experiments and future CBM experiment at FAIR. The main purpose of these calorimeters is to provide an experimental event-by-event measurements of centrality and orientation of reaction plane in heavy-ion collisions at high beam rates. One of the features of these...
