CERN Accelerating science

CMS Detector Performance Summaries

Ostatnio dodane:
2024-11-20
13:22
GE1/1 electronics performance /CMS Collaboration
We report on the operational performance and reliability of GE1/1, a new muon tracking and triggering station made of Triple-GEM detectors installed in the most forward region of the CMS muon spectrometer as part of the Phase-2 upgrades for LHC Run-3. The GE1/1 station, comprising 144 Triple-GEM detectors, has been collecting data since 2022. [...]
CMS-DP-2024-120; CERN-CMS-DP-2024-120.- Geneva : CERN, 2024 - 10 p. Fulltext: PDF;

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2024-11-11
14:50
Rate capability of CMS ME0 stack at the GIF++ /CMS Collaboration
A ME0 station of 6 layers of triple-GEM detectors will be built to instrument the very forward region of both CMS end-caps. The first 4-layer stack has been assembled and operated in the 904 laboratory as well as in test beams. The goal of this analysis is to determine the rate capability of the single GEM chambers in a GIF++ test beam campaign in July 2023..
CMS-DP-2024-119; CERN-CMS-DP-2024-119.- Geneva : CERN, 2024 - 11 p. Fulltext: PDF;

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2024-11-11
14:50
PPS Performance 2024 Efficiency and two-arm vertex resolution with timing detectors /CMS Collaboration
The Precision Proton Spectrometer (PPS) is a forward-proton spectrometer using near- beam detectors (inside Roman Pots, RPs) located symmetrically on both sides of IP5 at a distance of about 220 m. In addition to the tracking system, the timing detectors measure the Time-Of-Flight (TOF) of the protons produced in central exclusive interactions. In 2024, one cylindrical and one box RPs on each sector were equipped with four double-diamond planes. This note describes: the efficiency of single sensors and of the TOF system; the resolution of the timing system in two-arm events, where both interacting protons are detected by the PPS detectors. Using low pileup data ($\mu$ = interactions/crossing = 1) and selecting central diffractive events a strong correlation is observed between the time difference of the protons detected in PPS, and the longitudinal vertex position reconstructed in the central CMS tracker..
CMS-DP-2024-118; CERN-CMS-DP-2024-118.- Geneva : CERN, 2024 - 22 p. Fulltext: PDF;

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2024-11-11
14:50
Study of correlation between baseline current and Hit Rate in GE1/1 chambers at the CMS Experiment /CMS Collaboration
The phase-II upgrade of the CMS Muon System includes the addition of three new Gas Electron Multiplier (GEM) stations --- GE1/1, GE2/1, and ME0 --- to extend the detector's acceptance up to a pseudorapidity of $\lvert \eta \rvert \sim 2.8$. Achieving this requires that the detectors must tolerate the high levels of background radiation expected in the forward endcap regions for the High-Luminosity LHC, with a high rate capability as part of their requirements. [...]
CMS-DP-2024-117; CERN-CMS-DP-2024-117.- Geneva : CERN, 2024 - 16 p. Fulltext: PDF;

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2024-11-11
14:50
Verification of iRPC Quality Control Test Results /CMS Collaboration
Results from the verification of iRPC Quality Control Test
CMS-DP-2024-116; CERN-CMS-DP-2024-116.- Geneva : CERN, 2024 - 10 p. Fulltext: PDF;

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2024-11-11
14:50
Threshold calibration of iRPC FEB $\newline$ Inclusion of RPCs in Phase 2 BMT Layer 1 /CMS Collaboration
Results from the threshold calibration of iRPC FEB
CMS-DP-2024-115; CERN-CMS-DP-2024-115.- Geneva : CERN, 2024 - 6 p. Fulltext: PDF;

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2024-11-11
14:50
Super Trigger Primitives RPC-DT Timing Inclusion of RPCs in Phase 2 BMT Layer 1 /CMS Collaboration
Results from the studies on the Super Trigger Primitives RPC-DT Timing..
CMS-DP-2024-114; CERN-CMS-DP-2024-114.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;

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2024-11-11
14:50
CO2-based mixture for iRPC detector studies /CMS Collaboration
Results from studies of CO2-based mixture for iRPC detectors..
CMS-DP-2024-113; CERN-CMS-DP-2024-113.- Geneva : CERN, 2024 - 28 p. Fulltext: PDF;

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2024-11-11
14:48
Aging studies on RE1/1 CMS chambers operated with eco-friendly gas mixtures: comparison between 2021 and 2023 beam tests data taken at GIF++ /CMS Collaboration
Results from the aging studies on RE1/1 CMS chambers operated with eco-friendly gas mixtures: comparison between 2021 and 2023 beam tests data taken at GIF++
CMS-DP-2024-112; CERN-CMS-DP-2024-112.- Geneva : CERN, 2024 - 12 p. Fulltext: PDF;

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2024-11-11
14:48
Machine Learning approach to CMS RPC HV scan data analysis /CMS Collaboration
Results on the implementation of Machine Learning approach to CMS RPC HV scan data analysis
CMS-DP-2024-111; CERN-CMS-DP-2024-111.- Geneva : CERN, 2024 - 12 p. Fulltext: PDF;

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