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2024-07-22
09:30
Higgs boson mass and width measurement at CMS / Vagnerini, Antonio (Nebraska U.) /CMS Collaboration
The characterisation of the Higgs boson relies on the determination of its properties, including its mass, which is a free parameter in the SM, and its width. Here we review the latest measurements of the Higgs boson mass and width in the four-lepton final state at a center-of-mass-energy of 13 TeV with the CMS detector. [...]
CMS-CR-2024-129.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 31st International Workshop on Deep Inelastic Scattering, Grenoble, Fr, 8 - 12 Apr 2024

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2024-07-22
09:30
Rare Decays at CMS and Run 3 Perspectives / Buonsante, Marco (INFN, Bari ; Bari U.) /CMS Collaboration
A summary of the recent results obtained by the CMS experiment regarding the search for rare decays in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. These results include the search for the decay $\tau \rightarrow \mu \mu \mu$ and the first observation of the decay $\eta \rightarrow \mu \mu \mu \mu$. [...]
CMS-CR-2024-126.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 20th Incontri di Fisica delle Alte Energie (IFAE 2024), Florence, Itlay, 3 - 5 Apr 2024

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2024-07-15
13:37
CMS track reconstruction performance and tracking developments during Run 3 / Bruschini, Davide (INFN, Pisa ; Pisa, Scuola Normale Superiore) /CMS Collaboration
The precise and efficient reconstruction of charged particle tracks is crucial for the success of the CMS experiment at the LHC. Prior to the start of LHC Run 3 in 2022, the first layer of the Tracker Barrel Pixel subdetector was replaced to cope with the high pileup environment, and significant upgrades were made to the track reconstruction algorithms. [...]
CMS-CR-2024-115.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 20th Incontri di Fisica delle Alte Energie (IFAE 2024), Florence, Itlay, 3 - 5 Apr 2024

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2024-07-15
13:37
Integration Tests with 2S Module Prototypes for the Phase-2 Upgrade of the CMS Outer Tracker / Stockmeier, Lea (KIT, Karlsruhe, EKP)
The CMS experiment will be upgraded by 2028 to fully exploit the physics potential from the increased luminosity of the HL-LHC. The entire tracking system will be replaced during this Phase-2 Upgrade. [...]
CMS-CR-2024-068.- Geneva : CERN, 2024 - 8 p. Fulltext: PDF;
In : 6th International Conference on Technology and Instrumentation in Particle Physics (TIPP 2023), Cape Town, Western Cape, South Africa, 4 - 8 Sep 2023

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2024-07-15
13:37
Recent diboson and polarization measurements at CMS / Bhattacharya, Saptaparna (Wayne State U.) /CMS Collaboration
Over the course Run 1 and Run 2 of the Large Hadron Collider (LHC), more than 150/fb of data has been collected. This large dataset has facilitated the precision measurement of several Standard Model (SM) processes. [...]
CMS-CR-2024-036.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 11th Large Hadron Collider Physics Conference 2023, Belgrade, Serbia, 22 - 26 May 2023

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2024-07-15
13:37
Upgrade of the CMS muon system / Calzaferri, Simone (INFN, Pavia) /CMS Collaboration
This contribution illustrates the four different detector technologies used in the muon spectrometer of the Compact Muon Solenoid (CMS) experiment, installed on the Large Hadron Collider (LHC), and their future upgrades. These have the aim to cope with the scheduled increase of instantaneous luminosity of the LHC in the so called $\mbox{High-Luminosity}$ LHC phase..
CMS-CR-2023-316.- Geneva : CERN, 2023 - 8 p. Fulltext: PDF;
In : 11th International Conference on New Frontiers in Physics (ICNFP 2022), Kolymbari, Crete, Greece, 30 Aug - 11 Sep 2022

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2024-07-08
10:22
Noise and performance tests results of the PS modules for the phase-2 CMS outer tracker / Margjeka, Ilirjan (INFN, Bari)
The CMS Outer Tracker Phase-2 upgrade is designed for operation at the High-Luminosity Large Hadron Collider project. The high radiation levels and the large pileup require a high granularity and the capability to handle high data rates. [...]
CMS-CR-2024-117.- Geneva : CERN, 2024 - 4 p. Fulltext: PDF;
In : 16th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, It, 26 May - 1 Jun 2024

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2024-07-08
10:22
Performance and test of the new CMS ECAL Barrel front-end electronics for HL-LHC / Borca, Cecilia (INFN, Turin ; Turin U.) /CMS Collaboration
The CMS ECAL barrel is set to undergo a substantial upgrade to meet the new and more challenging requirements of the High-Luminosity LHC (HL-LHC) accelerator. This upgrade involves a comprehensive redesign of the on-detector readout electronics, introducing new faster ASICs. [...]
CMS-CR-2024-116.- Geneva : CERN, 2024 - 3 p. Fulltext: PDF;
In : 16th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, It, 26 May - 1 Jun 2024

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2024-07-03
10:50
Measurement of effective $B_{s}^{0} \rightarrow J/\psi K_{S}^{0}$ lifetime using Run-II CMS data / Sadangi, Priyanka (Bhubaneswar, NISER) /CMS Collaboration
The effective lifetime for the decay $B_{s}^{0} \rightarrow J/\psi K_{S}^{0}$ is reported using the data from pp collision at centre of mass energy $\sqrt{s}$=13\,TeV recorded by CMS experiment at the LHC during 2016, 2017 and 2018. The data sample corresponds to an integrated luminosity of 140 fb$^{-1}$ . [...]
CMS-CR-2024-101.- Geneva : CERN, 2024 - 8 p. Fulltext: PDF;
In : Moscow International School of Physics (MISP 2024), Moscow, Russian Federation, 28 Feb - 6 Mar 2024

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2024-07-02
18:09
Results and Perspectives on Multi-Parton Interactions with CMS / Ascioti, Maria Elena (INFN, Perugia ; Perugia U.) /CMS Collaboration
This contribution covers recent CMS experiment studies at the LHC, including the first direct observation of Double Parton Scattering (DPS) in same-sign WW boson production at $\sqrt{s} = 13$ TeV. Interest in DPS has shifted to flavour physics due to higher production cross-sections and better detector performance, enabling CMS to rival experiments like LHCb. [...]
CMS-CR-2024-105.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 20th Incontri di Fisica delle Alte Energie (IFAE 2024), Florence, Itlay, 3 - 5 Apr 2024

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