2023-03-27
14:31 |
Performance of Level-1 trigger e/gamma and tau in Run 3
/CMS Collaboration
The performances of the CMS Level 1 Trigger (L1T) system to identify and select electron/photons and hadronically decaying taus are presented using the full dataset collected by CMS in 2022 at a center of mass energy of 13.6 TeV..
CMS-DP-2023-008; CERN-CMS-DP-2023-008.-
Geneva : CERN, 2023 - 18 p.
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2023-03-27
14:31 |
Performances of Muons, Jets and MET Level 1 trigger algorithms in Run 3
/CMS Collaboration
The performances of the CMS Level 1 Trigger (L1T) system to identify and select muons, jets, and transverse energy sums are presented using the full dataset collected by CMS in 2022 at a center of mass energy of 13.6 TeV..
CMS-DP-2023-007; CERN-CMS-DP-2023-007.-
Geneva : CERN, 2023 - 18 p.
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2023-03-06
11:05 |
Commissioning CMS online reconstruction with GPUs
/CMS Collaboration
Building on top of the multithreading functionality that was introduced in Run-2, the CMS software framework (CMSSW) has been extended in Run-3 to offload part of the physics reconstruction to NVIDIA GPUs. The first application of this new feature is the High Level Trigger (HLT): the new computing farm installed at the beginning of Run-3 is composed of 200 nodes, and for the first time each one is equipped with two AMD Milan CPUs and two NVIDIA T4 GPUs. [...]
CMS-DP-2023-004; CERN-CMS-DP-2023-004.-
Geneva : CERN, 2022 - 22 p.
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2023-03-06
11:05 |
Luminosity monitoring with Z counting in early 2022 data
/CMS Collaboration
Measurements of the efficiency corrected Z boson rates for luminosity determination are presented using proton-proton collisions at $\sqrt{s} = 13.6$\,TeV recorded in the year 2022 with the CMS detector. The Z boson candidates decaying into a muon pair are selected. [...]
CMS-DP-2023-003; CERN-CMS-DP-2023-003.-
Geneva : CERN, 2023 - 12 p.
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2023-02-20
16:18 |
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2023-01-23
15:13 |
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2023-01-09
21:54 |
Full and Fast Simulation CPU Performance Studies
/CMS Collaboration
The following plots show historical trends of the CMS detector Full and Fast Simulation CPU time performance of Run-2/13 TeV and Run-3/14 TeV data. Fast Simulation provides a fast and reliable alternative tool to the Geant-based Full Simulation. [...]
CMS-DP-2022-072; CERN-CMS-DP-2022-072.-
Geneva : CERN, 2022 - 6 p.
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2023-01-09
21:54 |
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2023-01-09
21:54 |
Tracker alignment performance in 2022 (addendum)
/CMS Collaboration
An accurate determination of the geometry of the inner tracking system of the CMS experiment, which comprises Silicon Pixel and Silicon Strip detectors, is of vital importance for a precise measurement of the momentum of charged particles and reconstruction of primary and secondary vertices. The process of determining the geometry parameters of the inner tracking system is called tracker alignment. [...]
CMS-DP-2022-070; CERN-CMS-DP-2022-070.-
Geneva : CERN, 2022 - 17 p.
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2022-12-19
13:22 |
First Measurements of Muon Bending Angles in the CMS GE1/1-ME1/1 System
/CMS Collaboration
The achieving acceptable first level trigger rates for muons with reasonably low transverse momentum ($p_{T}$) thresholds is viable for the Compact Muon Solenoid (CMS) detector. In order to retain the current standalone muon trigger capability even with high occupancy in the endcap region during the high luminosity LHC (HL-LHC), the Gas Electron Multiplier (GEM) subdetector system was designed. [...]
CMS-DP-2022-069; CERN-CMS-DP-2022-069.-
Geneva : CERN, 2022 - 9 p.
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