# CMS Conference Reports

2023-01-23
15:57
 Top physics results from CMS / Kumar, Mintu (TIFR, Mumbai, DHEP) /CMS Collaboration Recent results on the top quark physics related to the test of various discrete symmetries of the standard model have been presented. These include the search for charge asymmetries and violation of charged lepton flavor and charge-parity symmetries, conducted using proton-proton collision data collected by the CMS experiment during 2015-2018. [...] CMS-CR-2022-281.- Geneva : CERN, 2022 - 11 p. Fulltext: PDF; In : 8th Symposium on Prospects in the Physics of Discrete Symmetries, Baden-baden, Germany, 7 - 11 Nov 2022

2023-01-23
15:27
 CMS Inner Tracker Status and Performance / Negro, Giulia (Purdue U.) /CMS Collaboration The CMS pixel tracker provided high-quality physics data during the LHC Run 2, finishing with a detector live fraction of 95\% and a hit efficiency of \textgreater 99\% in all but the innermost layer. However, issues encountered during Run 2 - in particular DCDC converter failures during power cycles, which were needed to reset stuck token bit managers (TBMs) - necessitated a thorough refurbishment of the detector during LS2. [...] CMS-CR-2022-279.- Geneva : CERN, 2022 - 11 p. Fulltext: PDF; In : The International Workshop on Vertex Detectors (VERTEX 2022), Tateyama, Japan, 24 - 28 Oct 2022

2023-01-23
15:27
 The CMS Pixel Detector for the High Luminosity LHC / Sguazzoni, Giacomo (INFN, Florence) The High Luminosity Large Hadron Collider (HL-LHC) at CERN is expected to collide protons at a centre-of-mass energy of 14 TeV and to reach the unprecedented peak instantaneous luminosity of $5-7.5\times10^{34}\;{\mathrm{cm}}^{-2}{\mathrm{s}}^{-1}$ with an average number of pileup events of $140-200$. This will allow the ATLAS and CMS experiments to collect integrated luminosities up to $3000-4000\;{\mathrm{fb}}^{-1}$ during the project lifetime. [...] CMS-CR-2022-276.- Geneva : CERN, 2022 - 11 p. Fulltext: PDF; In : The International Workshop on Vertex Detectors (VERTEX 2022), Tateyama, Japan, 24 - 28 Oct 2022

2023-01-23
15:25
 RPC Phase-2 Link System Remote Programming for the CMS HL-LHC Upgrade / Boghrati, Behzad (IPM, Tehran) The high luminosity LHC upgrade of the CMS RPC electronics system for the low-eta region includes the RPC link system upgrade and back-end electronics. The link system, as an off-detector electronics, comprises control boards and link boards. [...] CMS-CR-2022-273.- Geneva : CERN, 2022 - 6 p. Fulltext: PDF; In : 16th Workshop on Resistive Plate Chambers and Related Detectors (RPC 2022), CERN, Geneva, Switzerland, 26-30 Sep 2022

2023-01-23
15:25
 Recent heavy-ion results by CMS experiment / Petrushanko, Sergey (Moscow State U.) /CMS Collaboration A selection of the very recent results by the Compact Muon Solenoid (CMS) Collaboration on heavy-ion physics in relativistic collisions at LHC energies will be presented.. CMS-CR-2023-001.- Geneva : CERN, 2023 - 10 p. Fulltext: PDF; In : 6th International Conference on Particle Physics and Astrophysics, Moscow, Russia, 29 Nov - 2 Dec 2022

2023-01-09
21:54
 The ultimate CMS ECAL calibration and performance for the legacy reprocessing of LHC Run 2 data / Tramontano, Raffaella (INFN, Rome ; Rome U.) /CMS Collaboration Many physics analyses using the Compact Muon Solenoid (CMS) detector at the LHC require accurate, high resolution electron and photon energy measurements. Excellent energy resolution is crucial for studies of Higgs boson decays with electromagnetic particles in the final state, as well as searches for very high mass resonances decaying to energetic photons or electrons. [...] CMS-CR-2022-253.- Geneva : CERN, 2022 - 7 p. Fulltext: PDF; In : 41st International Conference on High Energy Physics (ICHEP 2022), Bologna, Italy, 6 - 13 Jul 2022

2023-01-09
21:54
 CMS BSM short talk / Apparu, Dylan Angie Frank (Strasbourg, IPHC) /CMS Collaboration Three searches for physics beyond the standard model are presented, using proton-proton collisions corresponding to an integrated luminosity of 138 $\text{fb}^{-1}$ recorded by the CMS detector at a center of mass energy of 13 TeV. The first search is focused on new resonances production (graviton, radion, Z or W), the second one about compressed scenarios for top squark production, and the last analysis is on excited quarks and quantum black holes production.. CMS-CR-2022-221.- Geneva : CERN, 2022 - 8 p. Fulltext: PDF; In : 2022 LHC Days in Split, Split, Croatia, 3 - 8 Oct 2022

2023-01-09
21:54
 Present status and future perspectives of the Endcap Timing Layer for the CMS MTD / Sola, Valentina (INFN, Turin ; Turin U.) /CMS Collaboration For the Phase-2 upgrade, the CMS experiment foresees the installation of a MIP Timing Detector (MTD) to assign a precise timestamp to every charged particle up to pseudorapidity $\vert \eta \vert =$ 3, empowering the CMS detector with unique and new capabilities. The target timing resolution of MTD of less than 40 ps per track will mitigate the effects of the severe pile-up expected at the High-Luminosity LHC, maintaining CMS performances similar to current LHC ones. [...] CMS-CR-2022-098.- Geneva : CERN, 2022 - 3 p. Fulltext: PDF; In : 15th Pisa Meeting on Advanced Detectors, La Biodola - Isola D'elba, Italy, 22 - 28 May 2022

2022-12-19
15:21
 Searches for heavy neutral leptons at the LHC / Knolle, Joscha (Gent U.) /ATLAS and CMS Collaborations Heavy neutral leptons (HNLs) are introduced in extensions of the standard model (SM) of particle physics to explain the nonzero neutrino masses via the seesaw mechanism. They can also be a dark matter candidate, or provide a mechanism for the generation of the matter-antimatter asymmetry in the universe. [...] CMS-CR-2022-274.- Geneva : CERN, 2022 - 7 p. Fulltext: PDF; In : Workshop on Feebly-Interacting Particles (FIPs 2022), CERN, Geneva, Switzerland, 17 - 21 Oct 2022

2022-12-19
13:27
 The Level-1 Track Finder for the CMS High-Luminosity LHC Upgrade / Holmberg, Mei-li (Rutherford) /CMS Collaboration The upgrade of the Large Hadron Collider (LHC) to the High-Luminosity LHC (HL-LHC) will provide an increased instantaneous luminosity, yielding more data for physics analysis, but imposing greater demands on the triggering systems of the detectors. In response, the CMS Collaboration is designing a novel Level-1 (L1) hardware track trigger using data from the Outer Tracker. [...] CMS-CR-2022-278.- Geneva : CERN, 2022 - 9 p. Fulltext: PDF; In : The International Workshop on Vertex Detectors (VERTEX 2022), Tateyama, Japan, 24 - 28 Oct 2022