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Kathrin Becker (Albert Ludwigs Universitaet Freiburg (DE))22/10/2018, 10:00
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Satoshi Hasegawa (Fermi National Accelerator Lab. (US))22/10/2018, 10:30
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Ivan Shvetsov (KIT - Karlsruhe Institute of Technology (DE))22/10/2018, 11:00
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David Hutchcroft (University of Liverpool (GB))22/10/2018, 11:45
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Luca Barioglio (Universita e INFN Torino (IT))22/10/2018, 12:15
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Benjamin Schwenker (Göttingen University)22/10/2018, 12:45
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Paula Agnieszka Erland (Polish Academy of Sciences (PL))22/10/2018, 14:30
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Maria Margherita Obertino (Universita e INFN Torino (IT))22/10/2018, 15:00
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Jason Webb (Brookhaven National Lab)22/10/2018, 15:30
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Mathieu Perrin-Terrin (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)22/10/2018, 16:00
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Harris Kagan (Ohio State University (US))22/10/2018, 17:00
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Gianluigi Casse (University of Liverpool (GB))22/10/2018, 17:30
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Luis Miguel Jara Casas (CERN)22/10/2018, 18:00
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Abhishek Sharma (University of Oxford (GB))22/10/2018, 18:30
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Giulio Tiziano Forcolin (Universita degli Studi di Trento è INFN (IT))23/10/2018, 09:00
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Claudia Bertella (Chinese Academy of Sciences (CN))23/10/2018, 09:30
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Geetika Jain (University of Delhi (IN))23/10/2018, 10:00
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Dr Florian Schopper (Halbleiterlabor der Max-Planck-Gesellschaft)23/10/2018, 11:30
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Shashi Dugad (Tata Inst. of Fundamental Research (IN))23/10/2018, 12:00
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Matthias Hamer (University of Bonn (DE))23/10/2018, 14:00
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Stella Orfanelli (CERN)23/10/2018, 14:30
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Deepanwita Dutta (University of Manchester (GB))23/10/2018, 15:00
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Christian Koffmane (Halbleiterlabor der Max-Planck-Gesellschaft)23/10/2018, 15:30
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Takeo Higuchi (Kavli IPMU)23/10/2018, 16:30
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Andrew Blue (University of Glasgow (GB))23/10/2018, 17:00
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Serhiy Senyukov (Centre National de la Recherche Scientifique (FR))23/10/2018, 17:30
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Anirban Saha (Florida State University (US))23/10/2018, 18:00
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Mauro Citterio (Università degli Studi e INFN Milano (IT))23/10/2018, 18:30
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Nicolo Cartiglia (INFN Torino (IT))24/10/2018, 09:00
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Rok Pestotnik (Jozef Stefan Institute (SI))24/10/2018, 09:30
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Eva Vilella Figueras (University of Liverpool (GB))24/10/2018, 10:00
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Amedeo Staiano (Universita e INFN Torino (IT))24/10/2018, 10:30
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Ruth Magdalena Munker (University of Bonn (DE))24/10/2018, 11:30
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Estel Perez Codina24/10/2018, 12:00
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Gagan Mohanty (Tata Inst. of Fundamental Research (IN))24/10/2018, 12:30
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Dr Nicola De Filippis (Politecnico/INFN Bari (IT) and LPC-Fermilab (US))24/10/2018, 14:15
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Goetz Gaycken (University of Bonn (DE))24/10/2018, 14:45
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Mr Iouri Belikov24/10/2018, 15:15
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Renata Kopecna (Ruprecht Karls Universitaet Heidelberg (DE))24/10/2018, 16:00
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Bianca Scavino (Universität Mainz)24/10/2018, 16:30
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Heinz Pernegger (CERN)25/10/2018, 09:00
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Thanushan Kugathasan (CERN)25/10/2018, 09:30
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Kazuhiko Hara (University of Tsukuba (JP))25/10/2018, 10:00
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Lino Demaria (Universita e INFN Torino (IT))25/10/2018, 10:50
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Valerio Re (INFN)25/10/2018, 11:20
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Paola Tropea (CERN)26/10/2018, 09:00
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Prof. Georg Viehhauser (Oxford University, UK)26/10/2018, 09:30
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Thomas Fritzsch (Fraunhofer IZM)26/10/2018, 10:00
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Prafulla Behera (Indian Institute of Technology Madras (IN))26/10/2018, 11:00
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Frank Hartmann (KIT - Karlsruhe Institute of Technology (DE))26/10/2018, 11:45
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Valerio Re (INFN)
3D integration technologies have generated a wide interest in the silicon pixel sensors and front-end electronics communities. They have the potential to lead to the fabrication of multilayer high performance devices with no dead area, where each layer is optimized for its function (particle sensing, analog signal amplification and filtering, digital memory and readout,…). Recent developments...
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Valerio Dao (CERN), Valerio Re (INFN)
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Georg Viehhauser (University of Oxford (GB))
In this presentation first the complex demands on the mechanics of silicon tracking and vertexing systems in terms of stability and thermal performance will be discussed. I will then discuss examples of how these issues have been addressed in current detector systems and discuss some ideas for the mechanics of future trackers.
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Prof. Georg Viehhauser
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Andrew Blue (University of Glasgow (GB))
The High Luminosity Large Hadron Collider (HL-LHC) will operate at an ultimate peak instantaneous luminosity of \mbox{$7.5\times10^{34}\;\mathrm{cm}^{-2}\mathrm{s}^{-1}$} which corresponds to approximately 200 inelastic proton-proton collisions per beam crossing (pile-up). It will be operational for more than 10 years and in that time ATLAS aims for a total data set of 4000 fb$^{-1}$. To...
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Christian Koffmane (Halbleiterlabor der Max-Planck-Gesellschaft)
The Belle II experiment is a substantial upgrade of the Belle detector and will operate at the SuperKEKB energy-asymmetric e+/e- collider. The accelerator has already successfully completed the first phase of commissioning in 2016 and the first electron-positron collisions in Belle II were recorded in April 2018. Belle II features a newly designed silicon vertex detector based on double-sided...
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Takeo Higuchi (Kavli IPMU)
The Belle II experiment at the SuperKEKB accelerator in KEK, Japan is the next-generation luminosity frontier experiment, which will operate at an unprecedented instantaneous luminosity of 8×1035 cm-2s-1, about 40 times larger than its predecessor Belle experiment. The Belle II vertex detector consists of a two-layer DEPFET based pixel detector (PXD) and...
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Resmi P K (IIT Madras)
The Belle II experiment at the interaction point of the SuperKEKB e+e− collider at KEK, Tsukuba, Japan is expected to collect data corresponding to an integrated luminosity of 50 ab−1 that will allow to search for signals of beyond-the-standard-model physics via precision measurements and searches for very rare decays. At its heart lies a six-layer vertex detector consisting of two layers of...
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Dr Souvik Das (Purdue University (US))
The High Luminosity LHC will reach an instantaneous luminosity of $5 \times 10^{34} ~\mathrm{cm}^{-2}\mathrm{s}^{-1}$ with 140 to 200 pp collisions per bunch crossing and collect a total of 3 $\mathrm{ab}^{-1}$ of 14 TeV data. To cope with these challenging data taking conditions, the CMS Inner Tracker will be rebuilt for Phase II Upgrades. To limit particle occupancy to the per mille level,...
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Heinz Pernegger (CERN)
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Kazuhiko Hara (University of Tsukuba (JP))
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Kazuhiko Hara (University of Tsukuba (JP))
SOFIST is an SOI pixel sensor in development to achieve fine measurement of both space and time, adopting the performance specifications of the International Linear Collider (ILC) vertex detector for the sensor design. The SOFIST is to consist of multiple-stage hit-charge and hit-time memories in each of 20 $\mu$m x 20 $\mu$m pixels with 3D integration technology. The SOFIST1 and SOFITS2 chips...
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Harris Kagan (Ohio State University (US))
At present most experiments at the CERN Large Hadron Collider (LHC)
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are planning upgrades in the next 5-10 years for their innermost
tracking layers as well as luminosity monitors to be able to take data
as the luminosity increases and CERN moves toward the High Luminosity-LHC
(HL-LHC). These upgrades will most likely require more radiation
tolerant technologies than exist today. As a result... -
Mr Chakresh Jain (Centre for Detector and Related Software Technology, Department of Physics and Astrophysics, University of Delhi, Delhi-110007)
A major concern with the use of silicon sensor in nuclear and particle physics experiments is its survival in the intense radiation environment. The unprecedented increase in fluence in these experiments affects its long-term sustainability due to both bulk and surface damage, resulting in the deterioration of its static and dynamic properties. Hence, stringent tolerance criteria are imposed...
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David Hutchcroft (University of Liverpool (GB))
The LHCb silicon detectors were designed to tolerate the very high radiation dose expected, at as little as 8mm from the LHC collisions. The experience in monitoring the detectors and how the the HV, cooling and simulation of the system had to be updated will be explored. The data collected and how it was used to understand and optimise the detector and what lessons were learned about that...
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Giulio Tiziano Forcolin (Universita degli Studi di Trento è INFN (IT))
3D sensors have emerged as the most radiation-hard silicon-based technology for vertex detectors. Their radiation tolerance is due to their structure, where vertical electrodes penetrate the substrate for most or all of its thickness. The inter-electrode separation is therefore determined by the layout and can be made much smaller than the substrate thickness. As a result, sensors can be...
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Roberta Arcidiacono (Universita e INFN Torino (IT))
In this contribution, I will review the growing interest in implementing large area fast timing detectors with a time resolution of 30-50 ps based on low gain avalanche detectors. This interest is spurred as timing information is a very effective tool in pile-up rejection. Large scale high-precision timing detectors face formidable challenges in almost every aspect: sensors performance, their...
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Thomas Fritzsch (Fraunhofer IZM)
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Mr Thomas Fritzsch (Fraunhofer IZM)
Hybrid pixel detector modules are state of the art in vertex detectors of the high-energy physics as well as the x-ray cameras in synchrotron radiation experiments. Each module of such a detector consists of a sensor chip and one or more electronic readout chips. In order to connect every pixel on the sensor with an electronic readout cell both parts are bump bonded together.
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Solder bump... -
Martin Sykora (Charles University (CZ))
The all-silicon ATLAS Inner Tracker (ITk), vertexing and tracking device for the High-Luminosity LHC project, should operate at an ultimate peak instantaneous luminosity up to 7.5 × 1034cm−2s−1 corresponding to approximately 200 inelastic proton-proton interactions per beam crossing. The ITk Strip Detector will consist of a four-layer barrel and a forward region composed of six disks on each...
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Benjamin Schwenker (Göttingen University)
The construction of the new accelerator at the Super Flavor Factory in Tsukuba, Japan, has been finalized and the commissioning of its detector (Belle II) has started. This new e+e- machine (SuperKEKB) will deliver an instantaneous luminosity of 8⋅10^35 cm−2s−1, which is 40 times higher than the world record set by KEKB. In order to be able to fully exploit the increased number of events and...
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Ivan Shvetsov (KIT - Karlsruhe Institute of Technology (DE))
The CMS outer silicon strip tracker with its more than 15000 silicon
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modules and 200m2 of active silicon area is in its tenth year of
operation at the LHC. We present the performance of the detector in the
LHC Run 2 data taking. Results for signal-to-noise, hit efficiency and
single hit resolution will be presented. We review the behavior of the
system when running at beyond-design... -
Kathrin Becker (Albert Ludwigs Universitaet Freiburg (DE))
The tracking and vertexing performance of the ATLAS detector relies critically on the silicon detector consisting of a strip detector (SCT) and a pixel detector.
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With the excellent performance of the LHC in Run 2, the silicon tracking detectors have been operated well beyond the original design specifications.
The status and limitations of the detectors with respect to band width, radiation... -
Luca Barioglio (Universita e INFN Torino (IT))
ALICE (A Large Ion Collider Experiment) is a general purpose heavy-ion experiment, designed for the study of strongly-interacting matter at the extreme energy densities that characterise Pb-Pb collisions at the CERN LHC. At such energy, the formation of the Quark-Gluon Plasma (QGP), a deconfined phase of matter, is expected.
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The innermost detector of ALICE is the Inner Tracking System (ITS).... -
Nicolo Cartiglia (INFN Torino (IT))
In this talk, the possibility of using very thin Low Gain Avalanche Diodes (LGAD) (∼ 25μm thick) as tracking detector at future hadron colliders, where particle fluence will be above 1·1016neq/cm2 , will be explored. In the present design, silicon sensors at the High-Luminosity LHC will be 100- 200μm thick, generating, before irradiation, signals of 1-2 fC. In our talk, we will show how very...
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Mr Suvankar Roy Chowdhury (National Institute of Science Education and Research (IN))
The LHC will enter into its high luminosity phase(HL- LHC), operating at a luminosity of
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$5-7.5 \times 10^{34} cm^{−2}s^{−1}$ starting from 2026. To allow CMS experiment to operate efficiently, the current silicon tracker must be replaced as it will be heavily irradiated during current LHC operations and its performance will degrade. The new silicon tracker will be radiation hard to operate... -
Kavita Lalwani (Malaviya National Institute of Technology Jaipur)
Title: Performance Studies of the Belle II Silicon Vertex Detector
Kavita Lalwani for the Belle II SVD group
The Belle II experiment at the SuperKEKB asymmetric-energy e+e- collider in KEK, Japan will operate at an instantaneous luminosity of 8×10^35 cm^-2s^-1, which is about 40 times larger than that of its predecessor, Belle. It is built with the aim of collecting a huge amount of data...
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Matthias Hamer (University of Bonn (DE))
In order to meet the requirements at the High-Luminosity LHC, the ATLAS inner detector will be upgraded to an all silicon tracker, the Inner Tracker ITk, until 2025. The ITk will consist of a five layer pixel detector and a four layer strip detector.
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Due to the harsh environment at the High-Luminosity LHC, the ITk pixel detector will consist of newly developed front-end electronics and... -
Stella Orfanelli (CERN)
The LHC machine upgrade program will increase the luminosity delivered to the large experiments up to 7.5x1034 cm-2s-1 in 2026, with the goal of an integrated luminosity of 3000 fb-1 b by the end of 2037. In order to fully exploit these operating conditions and luminosity, CMS plans to build a completely new pixel detector. The Phase II pixel detector relies on highly radiation tolerant...
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Mr Christoph Thomas Klein (Cavendish Laboratory, University of Cambridge)
With the upgrade of the LHC to the High-Luminosity LHC (HL-LHC), scheduled to commence in 2024, the Inner Detector will be replaced with the new all-silicon ATLAS Inner Tracker (ITk) to maintain tracking performance in this high-occupancy environment and to cope with the increase of approximately a factor of ten in the integrated radiation dose. The outer four layers in the barrel and six...
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Ms Geetika Jain (University of Delhi (IN))
The exceptional performance of the silicon sensors in the radiation environment has lead to their extensive usability in high energy physics. Even so, the future experiments foresee these sensors to be exposed to higher radiation levels. Radiation induces a change in the macroscopic properties of the sensor, thus, severely affecting the sensor performance and ultimately becoming the limiting...
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Luis Miguel Jara Casas (CERN)
L.M. Jara Casasa on behalf of the RD53 collaboration
a CERN,
Geneva 23,CH-1211, SwitzerlandE-mail: luis.miguel.jara.casas@cern.ch
ABSTRACT: The RD53A prototype chip is a 400x192 pixel readout integrated circuit (IC) designed to qualify the chosen 65nm CMOS technology for the development of the final production IC of the Phase-2 upgrade of ATLAS and CMS experiments at the High-Luminosity...
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Eva Vilella Figueras (University of Liverpool (GB))
Depleted CMOS sensors, also known as Depleted Monolithic Active Pixel Sensors (DMAPS), are extremely attractive for particle physics experiments. As the sensing diode and readout electronics can be integrated on the same silicon substrate, DMAPS suppress the need for hybridization and this results in thin detectors with reduced production time and costs. High Resistivity (HR) substrates and...
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Gianluigi Casse (FBK and University of Liverpool (GB))
It is foreseen to significantly increase the luminosity of the LHC by upgrading towards the HL-LHC (High Luminosity LHC), resulting in unprecedented radiation levels, significantly beyond the limits of the silicon trackers currently employed. All-silicon central trackers are being studied in ATLAS, CMS and LHCb, with extremely radiation hard silicon sensors to be employed on the innermost...
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Lino Demaria (Universita e INFN Torino (IT))
The Phase 2 upgrades of silicon pixel detectors at HL-LHC experiments feature extreme requirements, such as: 50um x50um pixels, high rate (3 GHzx/cm2) unprecedented radiation levels (1 Grad), high readout speed, serial powering. As a consequence a new readout chip is required
In this framework the RD53 collaboration has designed RD53A, a large scale chip demonstrator designed in 65 nm CMOS...
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Lino Demaria (Universita e INFN Torino (IT))
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Thanushan Kugathasan (CERN)
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Thanushan Kugathasan (CERN)
Monolithic active pixel sensors (MAPS) integrate both sensor matrix and readout circuitry in one piece of silicon. Pixel sensors in commercial CMOS technologies receive increasing interest for vertex detectors. They have advantages in detector assembly, production cost, and other benefits like lower material and higher granularity. Used for the first time in the STAR experiment, adopted for...
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Serhiy Senyukov (Centre National de la Recherche Scientifique (FR))
ALICE is a general-purpose experiment at CERN dedicated to the study of nucleus-nucleus collisions at the LHC.
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In 2019-20 during the second LHC shutdown (LS2) the ALICE detector will be upgraded in order to improve
its capability of studying rare probes like charmed and beauty mesons and baryons. One of the key parts of this upgrade
is the replacement of the whole Inner Tracking System (ITS)... -
Mr Soumen Halder (Research Scholar)
The Belle II experiment at the SuperKEKB collider in Japan will search for new sources of CP violation as well as probe new physics by studying the suppressed decays of beauty and charm mesons. In these pursuits, the spatial resolution of the silicon vertex detector (SVD) of the experiment will play a key role. We dwell on the studies undertaken towards extracting the SVD spatial resolution...
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Paula Agnieszka Erland (Institute of Nuclear Physics PAN (PL))
Located at the Large Hadron Collider (LHC), the ATLAS experiment has been designed with the goal of measuring the products of proton-proton collisions. ATLAS has full azimuthal angle coverage over a large range in pseudorapidity (from -4.2 to +4.2). However, forward particles, with larger absolute rapidities, escape detection down into the beam pipe. In particular, forward protons produced in...
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Maria Margherita Obertino (Universita e INFN Torino (IT))
The PPS (Precision Proton Spectrometer) system consists of tracking and timing detectors installed along the LHC beam line between 210 and 220 m from the interaction point on both sides of the CMS experiment. The aim of the apparatus is to measure with high precision the position, direction and time-of-flight of protons which emerge intact from the pp collision. Fully integrated in the CMS...
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Dr Florian Schopper (Halbleiterlabor der Max-Planck-Gesellschaft)
pnCCDs are CCD devices which use pn-diodes instead of MOS-registers to generate the electric field that drives charges along the channel.
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Therefore they are radiation tolerant and can transfer at high speed.
We show applications for X-ray imaging, either as integrating devices or as spectroscopic single event counters with the possibility of position interpolation.
New developments for faster... -
Ruth Magdalena Munker (University of Bonn (DE))
CLIC is an option for a linear electron positron collider in the post LHC era at CERN, aiming at a centre of mass energy of up to 3 TeV. Challenging requirements are imposed on the CLIC all-silicon vertex and tracking system to perform high precision measurements in an environment with high rates of beam-induced background particles. A spatial resolution of a few micrometers and a material...
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Ruth Magdalena Munker (University of Bonn (DE))
Status of silicon detector R&D at CLIC
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Mathieu Perrin-Terrin (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)
The Gigatracker is the NA62 beam tracker. It is made of three 63.1 mm $\times$ 29.3 mm stations of 300 $\mu$m $\times$ 300 $\mu$m hybrid silicon pixel detectors installed in vacuum ($\sim10^{-6}$mbar).
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The beam particles, flowing at 750 MHz, are traced in 4-dimensions by means of time-stamping pixels with a design resolution of 200 ps. This performance has to be maintained despite the beam... -
Estel Perez Codina (CERN)
The √s=100 TeV proton-proton collider, FCC-hh, is a core part of the Future Circular Collider project. The conceptual design of a suitable detector for FCC-hh is an integral part of this ongoing effort.
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Such a detector should be able to operate under luminosities of up to $3\times10^{35} cm^{-2}s^{-1}$, and pile-up conditions of up to ~1000 interactions per bunch crossing. In addition, the... -
Estel Perez Codina (CERN)
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Gagan Mohanty (Tata Inst. of Fundamental Research (IN))
Precision measurements of the properties of the Higgs
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boson, discovered by the ATLAS and CMS experiments of the LHC,
and the top quark, the heaviest known elementary particle, are
among the main physics goals for experiments at the proposed
international linear collider (ILC). These measurements must reach
an unprecedented level of precision in order to allow us to decipher
the next... -
Gagan Mohanty (Tata Inst. of Fundamental Research (IN))
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Claudia Gemme (Universita degli Studi di Genova Dipart. di Fisica)
The ATLAS silicon tracker detectors are designed to sustain high dose integrated over several years of operation. This very substantial radiation hardness should also favour the survival of the detector in case of accidental beam losses.
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An experiment performed in 2006 showed that ATLAS pixel detector modules (silicon planar hybridly coupled with FE-I3 electronics) could survive to beam... -
Paola Tropea (CERN)
CO2 evaporative cooling has become one of the most popular thermal management technologies for silicon detectors to be operated at low temperature. At LHC, this solution is already in use on the LHCb Velo, the ATLAS IBL and the CMS Phase I Pixel. The LHCb Velo upgrade and the UT detectors will be cooled in the same way as of 2019, as well as ATLAS and CMS upgraded tracking and vertexing...
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Paola Tropea (CERN)
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Dr Varghese Babu (DESY)
The Belle II experiment will be the next generation B-factory, and will operate at
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an peak instantaneous luminosity, 8.0 × 10^35 cm^-2 s^-1, 40 times higher than its
predecessor, Belle, allowing for precision measurements of the standard model. At its center will lie two layers of DEPFET based pixel detectors, each 75 microns thick to minimize multiple scattering of charged particles and... -
Anirban Saha (Florida State University (US))
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 $5-7.5x10^{34} cm^{-2}s^{-1}$, reaching an integrated luminosity of 3000-4500 fb$^{-1}$ by the end of 2039. CMS Tracker detector will have to be replaced in order to fully exploit the delivered luminosity and cope with the...
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Deepanwita Dutta (University of Manchester (GB))
The LHCb experiment is a forward spectrometer experiment dedicated pri- marily to study CP violation and rare decays of beauty and charm hadrons. The LHCb experiment will be upgraded to a trigger-less system reading out data at 40 MHz event rate. To cope with the higher data rates and increased occupancy, the detectors including the Vertex Locator (VELO) need to be upgraded. The VELO performs...
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Abhishek Sharma (University of Oxford (GB))
The ATLAS experiment is planning a major upgrade of its tracking detectors, both strip and pixel, to take full advantage of the High Luminosity LHC. A novel Monolithic Active Pixel Sensor based on 180 nm TowerJazz CMOS imaging technology, dubbed MALTA, has been designed to meet the radiation hardness requirements (1.5x10^15 1 MeV neq/cm2) of the outer barrel layers of the ITK Pixel detector....
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Dr Jason Webb (Brookhaven National Laboratory)
The STAR Heavy Flavor Tracker (HFT) has enabled a rich physics program, providing important insights into heavy quark behavior in heavy ion collisions. Acquiring data during the 2014 through 2016 runs at the Relativistic Heavy Ion Collider (RHIC), the HFT consisted of four layers of precision silicon sensors, including the first application of the thin Monolithic Active Pixel Sensors (MAPS)...
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Estel Perez Codina (CERN)
The physics aims at the proposed CLIC linear e$^+$e$^-$ collider pose challenging requirements on the performance of the detector system. In particular for the vertex detector the principal challenge is building an ultra-low mass (~0.2% X$_0$ per layer) detector that can provide a point resolution of a few μm as well as ~10 ns time stamping capabilities.
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To reach such low material budget, CLIC... -
Bianca Scavino (Universität Mainz)
Belle II is a next generation B-factory experiment at the SuperKEKB collider. In early 2019 the fully operational detector will start taking data. The goal is to collect a statistics 50 times larger than the one collected by its predecessor Belle, namely an integrated luminosity of 50 ab$^{-1}$.
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Belle II is designed for detecting and reconstructing particle trajectories for transverse momenta... -
Nicola De Filippis (Politecnico/INFN Bari (IT) and LPC-Fermilab (US))
Track and vertex reconstruction in the CMS detector use the information from the silicon pixel and the silicon strip detectors. The track and vertex finding and fitting algorithms are based on the Kalman filter approach. Difficulties arise in the context of standard LHC events with a high density of charged particles, where the rate of fake combinatorial tracks is very large for low pT tracks,...
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Renata Kopecna (Ruprecht Karls Universitaet Heidelberg (DE))
The LHCb detector is a multipurpose single-arm forward spectrometer. The main goal of its design is heavy flavor physics, covering large range of topics such as rare beauty and charm decays, CP violation and dark matter searches.
It's excellent resolution and reconstruction efficiency in the rapidity region of $ 2 < \eta < 5$ makes much broader physics program possible, including searches...
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Iouri Belikov (Centre National de la Recherche Scientifique (FR))
In this talk we will give an overview of the methods for track and vertex
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reconstruction being used in the ALICE experiment at the LHC.
In response to the challenge of high charged-particle multiplicities
(up to d$N$/d$y\sim2000$) and relative softness of particle momentum spectra observed in Pb-Pb collisions, ALICE has implemented a few specific algorithmic
approaches allowing for... -
Goetz Gaycken (University of Bonn (DE))
Run-2 at the LHC is nearing its end, and has already delivered an
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integrated luminosity of nearly $150\,\rm{fb}^{-1}$ to ATLAS where the
instantaneous luminosity exceeded $2\times 10^{34}\,\rm{cm}^{-2}\,s^{-1}$.
The high instantaneous luminosity challenged the ATLAS track and vertex
reconstruction with a peak number of O(60) simultaneous interactions.
Effects from radiation damage also start... -
Richard Brenner (Uppsala University (SE))
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