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CMS Detector Performance Summaries

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2025-02-17
14:48
Bunch crossing identification studies for the CMS muon barrel local trigger
The CMS barrel muon chambers individually produce trigger primitives (TP) to be fed in the Barrel Muon Track Finder (BMTF) for Level 1 triggering. These TPs are mainly built up out of the space (position, direction) and time information provided by the Drift Tubes (DT). [...]
CMS-DP-2025-008; CERN-CMS-DP-2025-008.- Geneva : CERN, 2025 - 15 p. Fulltext: PDF;

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2025-02-10
16:54
Performance of missing-energy triggers in 2022, 2023 and 2024 /CMS Collaboration
This note presents the performance of triggers based on missing-transverse energy using pp-collisions data collected by the CMS experiment in 2022, 2023 and 2024..
CMS-DP-2025-007; CERN-CMS-DP-2025-007.- Geneva : CERN, 2025 - 20 p. Fulltext: PDF;

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2025-02-10
16:54
Pixel Detector Performance in Run 3 (December 2024) /CMS Collaboration
The Large Hadron Collider (LHC) continued delivering proton-proton collisions in 2024 as part of the LHC Run 3 that started in 2022. The collisions are produced at the centre-of-mass energy of 13.6 TeV. [...]
CMS-DP-2025-006; CERN-CMS-DP-2025-006.- Geneva : CERN, 2025 - 34 p. Fulltext: PDF;

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2025-02-10
16:54
Characterization of the FBK-LGAD devices manufactured by LFoundry for the CMS Endcap Timing Layer /CMS Collaboration
The document present the characterization of the first batch of FBK-LGAD sensors manufactured by LFoundry for the Endcap Timing Layer of CMS..
CMS-DP-2025-005; CERN-CMS-DP-2025-005.- Geneva : CERN, 2025 - 16 p. Fulltext: PDF;

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2025-02-03
16:15
Performance of a new Beam halo tagger for the ECAL endcap /CMS Collaboration
Beam halo can be a huge background for analyses that search for the presence of a single photon accompanied by missing transverse energy in the detector. It can be rejected in the ECAL barrel (EB) by requiring the timing of the photon within a certain window. [...]
CMS-DP-2025-004; CERN-CMS-DP-2025-004.- Geneva : CERN, 2025 - 13 p. Fulltext: PDF;

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2025-01-27
11:40
GE1/1 Performance using 2023 p-p collision data at $\sqrt{s}=13.6$ TeV /CMS Collaboration
This study presents the muon detection efficiency of the GE1/1 detectors in a $Z$ boson enriched data sample corresponding to 17.8 fb$^{-1}$ of data collected at $\sqrt{s}=13.6$ TeV during 2023. The muons are reconstructed with the global CMS detector, excluding the GE1/1 detectors themselves to avoid biasing the results, and compatible hits are searched for. [...]
CMS-DP-2025-003; CERN-CMS-DP-2025-003.- Geneva : CERN, 2025 - 13 p. Fulltext: PDF;

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2025-01-20
10:02
PPS collected luminosity in 2024 /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 the CMS experiment, at a distance of about 220 m. The tracking system consists of four RPs equipped with 3D pixel sensors. [...]
CMS-DP-2025-002; CERN-CMS-DP-2025-002.- Geneva : CERN, 2025 - 3 p. Fulltext: PDF;

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2025-01-20
10:02
Improvement of the timing calibration in the CMS-PPS timing detectors /CMS Collaboration
The Precision Proton Spectrometer (PPS) is a near-beam subdetector of the Compact Muon Solenoid (CMS) experiment used for detecting forward protons. It comprises tracking and timing detectors located around 220 meters from the CMS detector. [...]
CMS-DP-2025-001; CERN-CMS-DP-2025-001.- Geneva : CERN, 2025 - 14 p. Fulltext: PDF;

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2024-12-20
12:18
iRPC for the CMS Phase 2 Upgrade: GIF++ results /CMS Collaboration
Results from the GIF++ irradiation tests done on iRPC..
CMS-DP-2024-130; CERN-CMS-DP-2024-130.- Geneva : CERN, 2024 - 8 p. Fulltext: PDF;

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2024-12-20
12:18
Kalman Filter for muon reconstruction in the CMS Phase-2 endcap calorimeter /CMS Collaboration
At the High Luminosity phase of the LHC (HL-LHC), experiments will be exposed to numerous (approx. 140) simultaneous proton-proton collisions. [...]
CMS-DP-2024-129; CERN-CMS-DP-2024-129.- Geneva : CERN, 2024 - 27 p. Fulltext: PDF;

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