CERN Accelerating science

CERN Document Server 76 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 0.64 δευτερόλεπτα. 
1.
Optimization of LYSO crystals and SiPM parameters for the CMS MIP timing detector / Addesa, F. (Princeton U.) ; Anderson, T. (Virginia U.) ; Barria, P. (INFN, Rome ; Rome U.) ; Basile, C. (INFN, Rome ; Rome U. ; U. Rome La Sapienza (main)) ; Benaglia, A. (INFN, Milan Bicocca) ; Bertoni, R. (INFN, Milan Bicocca) ; Bethani, A. (Maryland U.) ; Bianco, R. (INFN, Rome ; Rome U. ; CERN) ; Bornheim, A. (Caltech) ; Boldrini, G. (INFN, Milan Bicocca ; Milan Bicocca U.) et al.
For the High-Luminosity (HL-LHC) phase, the upgrade of the Compact Muon Solenoid (CMS) experiment at CERN will include a novel MIP Timing Detector (MTD). The central part of MTD, the barrel timing layer (BTL), is designed to provide a measurement of the time of arrival of charged particles with a precision of 30 ps at the beginning of HL-LHC, progressively degrading to 60 ps while operating in an extremely harsh radiation environment for over a decade. [...]
arXiv:2410.08738.- 2024-12-17 - 21 p. - Published in : JINST 19 (2024) P12020 Fulltext: 2410.08738 - PDF; document - PDF;
2.
Data Quality Monitoring through Transfer Learning on Anomaly Detection for the Hadron Calorimeters / CMS HCAL Collaboration
The proliferation of sensors brings an immense volume of spatio-temporal (ST) data in many domains for various purposes, including monitoring, diagnostics, and prognostics applications. [...]
arXiv:2408.16612.
- 28.
Fermilab Library Server - Fulltext - Fulltext
3.
Using graph neural networks to reconstruct charged pion showers in the CMS High Granularity Calorimeter / CMS HGCAL Collaboration
A novel method to reconstruct the energy of hadronic showers in the CMS High Granularity Calorimeter (HGCAL) is presented. The HGCAL is a sampling calorimeter with very fine transverse and longitudinal granularity. [...]
arXiv:2406.11937.- 2024-11-28 - 27 p. - Published in : JINST 19 (2024) P11025 Fulltext: 2406.11937 - PDF; b5503c82fab7782294f84cb336b7e20a - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
4.
Timing Performance of the CMS High Granularity Calorimeter Prototype / CMS HGCAL Collaboration
This paper describes the experience with the calibration, reconstruction and evaluation of the timing capabilities of the CMS HGCAL prototype in the beam tests in 2018. The calibration procedure includes multiple steps and corrections ranging from tens of nanoseconds to a few hundred picoseconds. [...]
arXiv:2312.14622.- 2024-04-11 - 22 p. - Published in : JINST 19 (2024) P04015 Fulltext: PDF; Fulltext from Publisher: PDF;
5.
Integration of thermo-electric coolers on the CMS MTD SiPM arrays for operation under high neutron fluence / Bornheim, A. (Caltech) ; Lustermann, W. (Zurich, ETH) ; Stachon, K. (Zurich, ETH) ; Gutiérrez, G. Reales (Delft Tech. U.) ; Benaglia, A. (INFN, Milan Bicocca) ; De Guio, F. (INFN, Milan Bicocca ; Milan Bicocca U.) ; Ghezzi, A. (INFN, Milan Bicocca ; Milan Bicocca U.) ; Lucchini, M.T. (INFN, Milan Bicocca ; Milan Bicocca U.) ; Malberti, M. (INFN, Milan Bicocca) ; Palluotto, S. (INFN, Milan Bicocca ; Milan Bicocca U.) et al.
The barrel section of the novel MIP Timing Detector (MTD) will be constructed as part of the upgrade of the CMS experiment to provide a time resolution for single charged tracks in the range of $30-60$ ps using LYSO:Ce crystal arrays read out with Silicon Photomultipliers (SiPMs). A major challenge for the operation of such a detector is the extremely high radiation level, of about $2\times10^{14}$ 1 MeV(Si) Eqv. [...]
arXiv:2306.00818.- 2023 - 19 p. - Published in : JINST 18 (2023) P08020 Fulltext: PDF;
6.
Neutron irradiation and electrical characterisation of the first 8” silicon pad sensor prototypes for the CMS calorimeter endcap upgrade / CMS HGCAL Collaboration
As part of its HL-LHC upgrade program, the CMS collaboration is replacing its existing endcap calorimeters with a high-granularity calorimeter (CE). The new calorimeter is a sampling calorimeter with unprecedented transverse and longitudinal readout for both electromagnetic and hadronic compartments. [...]
arXiv:2209.10159.- 2023-08-24 - 19 p.
- Published in : JINST Fulltext: 33df321261c1de65891ca8b290f4b7a2 - PDF; 2209.10159 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
7.
Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20–300 GeV/c / CALICE Collaboration
The upgrade of the CMS experiment for the high luminosity operation of the LHC comprises the replacement of the current endcap calorimeter by a high granularity sampling calorimeter (HGCAL). The electromagnetic section of the HGCAL is based on silicon sensors interspersed between lead and copper (or copper tungsten) absorbers. [...]
arXiv:2211.04740.- 2023-08-14 - 31 p. - Published in : JINST 18 (2023) P08014 Fulltext: 2211.04740 - PDF; FERMILAB-PUB-23-299-ETD-PPD - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
8.
The effect of radiation damage on the light yield and uniformity of candidate plastic scintillator tiles for the CMS hadron calorimeter upgrade / CMS HCAL Collaboration
A study has been performed to understand the effects of radiation damage on various plastic scintillator tiles considered for a possible upgrade of the hadron calorimeter of the CMS detector. [...]
arXiv:2207.11960.
- 16.
Fulltext
9.
Response of a CMS HGCAL silicon-pad electromagnetic calorimeter prototype to 20–300 GeV positrons / CMS HGCAL Collaboration
The Compact Muon Solenoid Collaboration is designing a new high-granularity endcap calorimeter, HGCAL, to be installed later this decade. As part of this development work, a prototype system was built, with an electromagnetic section consisting of 14 double-sided structures, providing 28 sampling layers. [...]
arXiv:2111.06855; FERMILAB-PUB-22-427-PPD.- 2022-05-12 - 29 p. - Published in : JINST 17 (2022) P05022 Fulltext: 2111.06855 - PDF; document - PDF; cbd097f03712745131ad048fd9099ac7 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
10.
Test beam characterization of sensor prototypes for the CMS Barrel MIP Timing Detector / CMS MTD Collaboration
The MIP Timing Detector will provide additional timing capabilities for detection of minimum ionizing particles (MIPs) at CMS during the High Luminosity LHC era, improving event reconstruction and pileup rejection. The central portion of the detector, the Barrel Timing Layer (BTL), will be instrumented with LYSO:Ce crystals and Silicon Photomultipliers (SiPMs) providing a time resolution of about 30 ps at the beginning of operation, and degrading to 50-60 ps at the end of the detector lifetime as a result of radiation damage. [...]
arXiv:2104.07786.- 2021-07-15 - 28 p. - Published in : JINST 16 (2021) P07023 Fulltext: 2104.07786 - PDF; document - HTM; fermilab-pub-21-423-cms - PDF; Fulltext from publisher: PDF; External link: Fermilab Accepted Manuscript

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