CERN Accelerating science

CMS Detector Performance Summaries

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2024-06-04
11:22
CMS diversity and inclusion statistics from 2016 to 2023 /CMS Collaboration
The CMS Diversity and Inclusion Office was established in 2017 with the main goal of fostering a positive working environment where all members of the Collaboration can thrive. This note concerns the part of its mandate to monitor and record statistical information related to diversity. [...]
CMS-DP-2024-030; CERN-CMS-DP-2024-030.- Geneva : CERN, 2024 - 29 p. Fulltext: PDF;

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2024-06-04
11:22
CMS Diversity and Inclusion Statistics /CMS Collaboration
The CMS Diversity and Inclusion Office was established in 2017 with the main goal of fostering a positive working environment where all members of the Collaboration can thrive. This note concerns the part of its mandate to monitor and record statistical information related to diversity. [...]
CMS-DP-2024-029; CERN-CMS-DP-2024-029.- Geneva : CERN, 2023 - 26 p. Fulltext: PDF;

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2024-06-03
11:23
Determination of jet identification criteria with proton-proton collision at 13.6 TeV data collected with the CMS detector at the CERN LHC /CMS Collaboration
The energy fractions and particle multiplicities, as well as the performance of the particle flow jet identification (PFJetID) criteria, are presented for proton-proton collisions at 13.6 TeV..
CMS-DP-2024-028; CERN-CMS-DP-2024-028.- Geneva : CERN, 2024 - 15 p. Fulltext: PDF;

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2024-06-03
11:23
Simulation-driven correction of the buffering efficiency of the readout chip for the CMS Phase-2 inner tracker upgrade /CMS Collaboration
The hit detection efficiency of the readout chip (CROC) for the CMS Inner Tracker Upgrade was measured in the lab at high hit rate with X rays. X rays mostly produce isolated single hits, that compared to clustered data are less efficiently detected for the same hit rate, as the buffers for hit data storage on the chip were designed with clustered hit patterns in mind. A correction factor, computed using events simulated with the CMSSW framework, was applied to the X ray hit rates to avoid underestimating the hit detection efficiency expected in the experiment..
CMS-DP-2024-027; CERN-CMS-DP-2024-027.- Geneva : CERN, 2024 - 10 p. Fulltext: PDF;

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2024-05-27
11:35
Heterogeneous Reconstruction of Hadronic Particle Flow Clusters with Alpaka Portability Library /CMS Collaboration
This note presents the latest results on the implementation for heterogeneous software architectures of the clustering of HCAL Barrel (HB) and Endcap (HE) hits. This implementation is based on the Alpaka portability library. [...]
CMS-DP-2024-026; CERN-CMS-DP-2024-026.- Geneva : CERN, 2024 - 10 p. Fulltext: PDF;

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2024-05-23
18:53
Performance summary of AK4 jet b tagging with data from 2022 proton-proton collisions at 13.6 TeV with the CMS detector /CMS Collaboration
The identification of b jets is of great importance for many measurements performed in high energy physics. In this note the performance of b tagging for AK4 jets for the early data-taking periods of the LHC Run 3 at the CMS experiment is summarized. [...]
CMS-DP-2024-025; CERN-CMS-DP-2024-025.- Geneva : CERN, 2024 - 38 p. Fulltext: PDF;

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2024-05-23
18:53
Run 3 commissioning results of heavy-flavor jet tagging at $\sqrt{s}=$13.6 TeV with CMS data using a modern framework for data processing /CMS Collaboration
Identifying jets originating from the hadronization of bottom and charm hadrons (heavy-flavor jets) in the CMS experiment holds significant importance for various physics analyses, including investigations of the properties of the Higgs boson, top quarks, and the search for new physics beyond the standard model. This identification primarily relies on detector inputs from reconstructed charged particle tracks and information about secondary vertices contained within hadrons reconstructed as jets. [...]
CMS-DP-2024-024; CERN-CMS-DP-2024-024.- Geneva : CERN, 2024 - 51 p. Fulltext: PDF;

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2024-05-23
18:53
Muon ID and Isolation Efficiencies with 2023 data /CMS Collaboration
We present the performance of muon reconstruction plus identification, and isolation with 27.2 1/fb of data collected during the 2023 LHC proton-proton run at 13.6 TeV. Dataset is splitted in two periods, corresponding to two different data taking conditions of the CMS detector. [...]
CMS-DP-2024-023; CERN-CMS-DP-2024-023.- Geneva : CERN, 2024 - 27 p. Fulltext: PDF;

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2024-05-21
16:59
Performance of Muon identification and isolation in 2022 data and simulation at 13.6 TeV /CMS Collaboration
We present the performance of muon reconstruction plus identification, and isolation with 33.2 1/fb of data collected during the 2022 LHC proton-proton run at 13.6 TeV. Dataset is splitted in two periods, corresponding to two different data taking conditions of the CMS detector. [...]
CMS-DP-2024-019; CERN-CMS-DP-2024-019.- Geneva : CERN, 2024 - 29 p. Fulltext: PDF;

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2024-05-21
15:08
ECAL Trigger Performance in Run 3 /CMS Collaboration
ECAL Trigger Performance in Run 3
CMS-DP-2024-021; CERN-CMS-DP-2024-021.- Geneva : CERN, 2024 - 21 p. Fulltext: PDF;

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