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CMS Conference Reports

Derniers ajouts:
2021-07-22
10:16
Estimation of the material budget of the CMS Tracker using the triplet method / Roy Chowdhury, Suvankar (INFN, Pisa ; Pisa, Scuola Normale Superiore) /CMS Collaboration
Silicon trackers are used extensively in high energy physics experiments. Estimation of the material budget of the tracker is crucial for the physics program of any experiment, especially for precision measurements, as it has a direct impact on reconstruction performance and calculation of systematic errors. [...]
CMS-CR-2020-250.- Geneva : CERN, 2020 - 7 p. Fulltext: PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020

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2021-07-22
10:16
Production, calibration, and performance of the layer 1 replacement modules for the CMS pixel detector / Ferencek, Dinko (Boskovic Inst., Zagreb) ; Roguljic, Matej (Boskovic Inst., Zagreb) ; Starodumov, Andrey (Boskovic Inst., Zagreb)
The layer 1 modules of the CMS pixel detector at the LHC will be substituted with new ones during long shutdown 2 in 2021. An improved readout chip is used to build these modules. [...]
CMS-CR-2020-240.- Geneva : CERN, 2020 - 9 p. Fulltext: PDF;
In : 29th International Workshop on Vertex Detectors, Virtual, Japan, 5 - 8 Oct 2020

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2021-07-22
10:15
Performance of 2S Modules of CMS Phase-2 Tracker in a Test Beam environment / Saha, Gourab (Saha Inst.) /CMS Collaboration
The present CMS Tracker will be replaced by a new improved tracking detector for operation at the High Luminosity LHC\,(HL-LHC). The outer part of the new tracking detector will comprise modules with two closely spaced parallel silicon sensors with front-end ASICs capable of transmitting information about high transverse momentum tracks to the CMS Level-1 trigger system at the 40 MHz beam bunch crossing rate. [...]
CMS-CR-2020-173.- Geneva : CERN, 2020 - 7 p. Fulltext: PDF;
In : 29th International Workshop on Vertex Detectors, Virtual, Japan, 5 - 8 Oct 2020

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2021-07-22
10:15
The upgrade of the CMS Tracker at HL-LHC / La Rosa, Alessandro (CERN) /CMS Collaboration
In the high luminosity scenario of the LHC (HL-LHC), which will bring the instantaneous luminosity up to 7.5\,$\times$\,$10^{34}$\,cm$^{-2}$s$^{-1}$, ATLAS and CMS will need to operate at up to 200 interactions per 25\,ns beam crossing and reaching up to 4000\,fb$^{-1}$ of integrated luminosity. To achieve their physics goals the experiments will need to improve the tracking and vertexing capability and the ability to selectively trigger on specific physics events at reasonable thresholds. [...]
CMS-CR-2020-170.- Geneva : CERN, 2020 - 10 p. Fulltext: PDF;
In : 29th International Workshop on Vertex Detectors, Virtual, Japan, 5 - 8 Oct 2020

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2021-06-08
20:16
Study of Interpad-gap of FBK (UFSD3) and HPK 3.1 Type sensors with Transient Current Technique / Bharthuar, Shudhashil (Helsinki Inst. of Phys.) /CMS Collaboration
The Phase-2 upgrade of the Large Hadron Collider (LHC) to High-Luminosity LHC (HL-LHC) allows an increase in the operational luminosity value by a factor of 5--7 that will result in delivering 3000~fb$^{-1}$ or more integrated luminosity. Due to high luminosity, the number of interactions per bunch crossings (pileup) will increase up to a value of 140--200. [...]
CMS-CR-2020-051.- Geneva : CERN, 2020 - 21 p. Fulltext: PDF;
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019

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2021-04-28
20:59
Tracker alignment of the CMS detector / Connor, Patrick (Hamburg U.) /CMS Collaboration
The positions of the nearly twenty-thousand silicon sensors of the CMS central tracking system must be determined with a precision better than their intrinsic resolution in order to provide an optimal reconstruction of charged particle trajectories. The procedure, referred to as the alignment, includes also the adjustment of the orientations and the determination of the deviation from flatness of the sensor surfaces. Data-driven methods used to carefully align the detector and validate the alignment will be presented with CMS Run 2 data, collected from 2016 to 2018. [...]
CMS-CR-2020-232.- Geneva : CERN, 2020 - 7 p. Fulltext: PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020

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2021-04-28
20:49
The CMS tracker upgrade for the \\ High Luminosity LHC / Klein, Katja (Aachen, Tech. Hochsch.)
The CMS detector features the world's largest silicon tracker, comprising a strip and a pixel detector. However, the CMS tracker is expected to reach the end of its lifetime after Run 3 of the LHC, and a new device will be installed during Long Shutdown 3. [...]
CMS-CR-2020-222.- Geneva : CERN, 2020 - 7 p. Fulltext: PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020

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2021-04-28
20:43
Status of the Phase-2 Tracker Upgrade of the CMS experiment at the HL-LHC / Calligaris, Luigi (SAO_PAULO) /CMS Collaboration
The Phase-2 Upgrade of the CMS experiment is designed to prepare its detectors for operations at the High Luminosity Large Hadron Collider (HL-LHC). The upgraded collider, scheduled to start operations in 2027, will lead to challenging conditions in terms of data throughput, pile-up and radiation. [...]
CMS-CR-2020-167.- Geneva : CERN, 2020 - 8 p. Fulltext: PDF;
In : 5th International Conference on Particle Physics and Astrophysics (ICPPA), Moscow, Russian Federation, 5 - 9 Oct 2020

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2021-02-26
15:10
The TOFHIR2 readout ASIC of the CMS Barrel MIP Timing Detector / Joao Varela for the TOFHIR team
The CMS Detector will be upgraded for the HL-LHC to include a MIP Timing Detector (MTD). The MTD will consist of barrel and endcap timing layers, BTL and ETL respectively, providing precision timing of charged particles. [...]
CMS-CR-2021-001.- Geneva : CERN, 2021 - 8 p. Fulltext: PDF;
In : 2020 IEEE Nuclear Science Symposium (NSS) and Medical Imaging Conference (MIC), Boston, United States, 31 Oct - 7 Nov 2020

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2020-12-17
22:32
OT-$\mu$DTC, a test bench for testing CMS Outer Tracker Phase-2 module prototypes / Caratelli, Alessandro (CERN) ; Ceresa, Davide (CERN) ; De Clercq, Jarne Theo (Vrije U., Brussels) ; Galbit, Geoffrey Christian (Lyon, IPN) ; Haranko, Mykyta (CERN) ; Jain, Sandhya (Lyon, IPN) ; Caponetto, Luigi (Lyon, IPN) ; Makarenko, Inna (Brussels U.) ; Mersi, Stefano (CERN) ; Nodari, Benedetta (Lyon, IPN) et al.
The Compact Muon Solenoid (CMS) experiment plans to replace its strip tracker system with a completely new Outer Tracker system to cope with the higher luminosity, compared to Run 2 operation, provided by the HL-LHC. This CMS Phase-2 Outer Tracker will be build up from two types of modules both consisting out of two parallel silicon sensors separated by a few millimetres. [...]
CMS-CR-2019-254.- Geneva : CERN, 2019 - 11 p. - Published in : PoS EPS-HEP2019 (2020) 170 Fulltext: PDF; Fulltext from publisher: PDF;
In : European Physical Society Conference on High Energy Physics (EPS-HEP) 2019, Ghent, Belgium, 10 - 17 Jul 2019, pp.170

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