CERN Accelerating science

CMS Detector Performance Summaries

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2018-05-24
10:34
Efficiency of the CMS Drift Tubes at LHC in 2017 /CMS Collaboration
The Hit and Segment Reconstruction efficiencies of Drift Tubes were studied on 2017 data. Summary plots and trend plots vs LHC Instantaneous Luminosity and Number of Reconstructed vertices (pileup) were obtained from a 13 /fb sample acquired in the second half of the year. Trend plots vs Run Number (time) were produced using the full 2017 sample..
CMS-DP-2018-016; CERN-CMS-DP-2018-016.- Geneva : CERN, 2018 - 28 p. Fulltext: PDF;

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2018-05-22
14:55
CMS ECAL with 2017 data /CMS Collaboration
The ECAL performance plots with 2017 data
CMS-DP-2018-015; CERN-CMS-DP-2018-015.- Geneva : CERN, 2018 - 65 p. Fulltext: PDF;

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2018-05-08
10:37
2017 B-Physics trigger efficiencies /CMS Collaboration
The performance of the trigger used to select B-Physics decay channels in CMS is presented for data collected in 2017, corresponding to an integrated luminosity of $9.8\,\mathrm{fb}^{-1}$ at $13\,\mathrm{TeV}$..
CMS-DP-2018-014; CERN-CMS-DP-2018-014.- Geneva : CERN, 2018 - 10 p. Fulltext: PDF;

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2018-03-01
10:12
Emittance scans for CMS luminosity calibration in 2017 /CMS Collaboration
Emittance scans are short van der Meer type scans performed at the beginning and at the end of LHC fills. The beams are scanned against each other in X and Y planes in 7 displacement steps. [...]
CMS-DP-2018-011; CERN-CMS-DP-2018-011.- Geneva : CERN, 2018 - 18 p. Fulltext: PDF;

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2018-03-01
10:12
2017 Tau Trigger Efficiencies /CMS Collaboration
Triggers selecting events with hadronically decaying $\tau$ leptons ($\tau_h$) are used in a wide variety of CMS analyses, in particular those targeting processes with a $H \rightarrow \tau\tau$ decay. The performance of the $\tau_h$ triggers is presented for data collected in 2017, corresponding to an integrated luminosity of 41.5\,fb$^{-1}$ at 13 TeV, and compared with simulation..
CMS-DP-2018-009; CERN-CMS-DP-2018-009.- Geneva : CERN, 2018 - 15 p. Fulltext: PDF;

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2018-03-01
10:12
Level-1 muon trigger performance with the full 2017 dataset /CMS Collaboration
This document describes the performance of the CMS Level-1 Muon Trigger with the full dataset of 2017. Efficiency plots are included for each track finder (TF) individually and for the system as a whole. [...]
CMS-DP-2018-008; CERN-CMS-DP-2018-008.- Geneva : CERN, 2018 - 15 p. Fulltext: PDF;

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2018-02-23
10:31
The inclusion of RPC only segments in the Barrel Muon Track Finder /CMS Collaboration
On November 3, 2017 during the LHC fill 6360 and from the run number 306121 RPC-only segments were enable to trigger. In this document we show the impact of the RPC-only segments in the Barrel Muon Track Finder efficiency performance. [...]
CMS-DP-2018-007; CERN-CMS-DP-2018-007.- Geneva : CERN, 2018 - 8 p. Fulltext: PDF;

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2018-02-23
10:31
Level-1 $\tau$ trigger performance in 2017 data /CMS Collaboration
In 2017, the LHC achieved an instantaneous luminosity of 2.06x10$^{34}$cm$^{-2}$s$^{-1}$, and a peak average pile-up of more than 50. This document describes the performance of the CMS Level-1 calorimeter trigger for $\tau$ leptons using 40.9 fb$^{-1}$ of 2017 data. [...]
CMS-DP-2018-006; CERN-CMS-DP-2018-006.- Geneva : CERN, 2018 - 16 p. Fulltext: PDF;

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2018-02-23
10:31
Selecting VBF Higgs in the Level-1 Trigger at CMS /CMS Collaboration
The VBF trigger strategy is described and its performance on benchmark physics signals is shown. The performance of the seed implemented in the trigger menu for the 2017 data taking are assessed..
CMS-DP-2018-005; CERN-CMS-DP-2018-005.- Geneva : CERN, 2018 - 11 p. Fulltext: PDF;

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2018-02-23
10:31
Level-1 jets and energy sums trigger performance with full 2017 dataset /CMS Collaboration
After the first long shutdown, the LHC restarted at a centre-of-mass energy of 13 TeV. In 2017, the LHC achieved an instantaneous luminosity of $2\times10^{34}cm^{-2}s^{-1}$ with an average peak number of pile-up interactions of over 50. [...]
CMS-DP-2018-004; CERN-CMS-DP-2018-004.- Geneva : CERN, 2018 - 9 p. Fulltext: PDF;

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