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CMS Conference Reports

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2025-09-01
11:25
The first measurement of energy-energy correlator of jets in PbPb collisions at CMS / Viinikainen, Jussi (Vanderbilt U.) /CMS Collaboration
Energy-energy correlators can isolate physics of different angular scales, which has attracted a lot of interest recently to study it in heavy ion environments. Any modification from proton-proton reference can reveal hints about the inner workings of the quark-gluon plasma. [...]
CMS-CR-2025-142.- Geneva : CERN, 2025 - 5 p. Fulltext: PDF;
In : 31st International Conference on Ultra-relativistic Nucleus-Nucleus Collisions, Frankfurt, De, 6 - 12 Apr 2025

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2025-09-01
11:09
Recent results in heavy-flavour physics from CMS / Polikarpov, Sergey (Dubna, JINR) /CMS Collaboration
Recent CMS results on heavy-flavour physics are discussed. The analyses are based on the data collected during Run 1 and Run 2 of the CERN LHC in pp collisions at 7 and 13 TeV, respectively. [...]
CMS-CR-2025-151.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : 13th Edition of the Large Hadron Collider Physics Conference (LHCP2025), Taipei, Tw, 5 - 9 May 2025

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2025-09-01
11:09
Searches for additional light Higgs bosons at CMS / Tao, Junquan (Beijing, Inst. High Energy Phys.) /CMS Collaboration
Several searches for additional Higgs bosons, which are predicted by different models beyond the standard model, have been performed in the CMS experiment. Some recent and selected results of searches for additional light Higgs bosons are presented. [...]
CMS-CR-2025-145.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : 13th Edition of the Large Hadron Collider Physics Conference (LHCP2025), Taipei, Tw, 5 - 9 May 2025

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2025-09-01
11:09
Lepton Flavor Violation in Heavy Flavor decays at the CMS experiment / Nenna, Felice (INFN, Bari ; Bari U.) /CMS Collaboration
The study of lepton flavor conservation and its universality is essential for uncovering signs of New Physics beyond the Standard Model (SM). While the SM allows for lepton flavor violation (LFV), its predicted rates are negligible. [...]
CMS-CR-2025-136.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : Incontri di Fisica delle Alte Energie, Cagliari, 9 - 11 April

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2025-09-01
11:09
The W boson mass measurement at the CMS experiment / Forti, Ruben (INFN, Pisa ; Pisa U.) /CMS Collaboration
The W boson mass, $m_\text{W}$, is predicted by the standard model (SM) of particle physics with a precision of 6 MeV. However, new particles or forces in quantum loops could alter the value of $m_\text{W}$. [...]
CMS-CR-2025-135.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : Incontri di Fisica delle Alte Energie, Cagliari, 9 - 11 April

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2025-08-25
12:36
Machine-learning based particle-flow algorithm in CMS / Mokhtar, Farouk (UC, San Diego) /CMS Collaboration
The particle-flow (PF) algorithm provides a global event description by reconstructing final-state particles and is central to event reconstruction in CMS. Recently, end-to-end machine learning (ML) approaches have been proposed to directly optimize physical quantities of interest and to leverage heterogeneous computing architectures. [...]
CMS-CR-2025-155.- Geneva : CERN, 2025 - 9 p. Fulltext: PDF;
In : 2025 European Physical Society Conference on High Energy Physics (EPS-HEP 2025), Marseille, Fr, 7 - 11 Jul 2025

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2025-07-28
13:10
Diboson and triboson (except VBS) at ATLAS and CMS / Mecca, Alberto (INFN, Turin ; Turin U.) /ATLAS and CMS Collaborations
Both diboson and triboson production are suited for precision tests of the Standard Model (SM), especially of the Electroweak (EW) sector due to the sensitivity to triple (TGC) and quartic gauge couplings (QGC), making them complementary to the Higgs boson in understanding the Electroweak Symmetry Breaking mechanism. These two classes of processes have cross sections spanning four orders of magnitude. [...]
CMS-CR-2025-131.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : 13th Edition of the Large Hadron Collider Physics Conference (LHCP2025), Taipei, Tw, 5 - 9 May 2025

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2025-07-21
14:36
Differential measurement of the Higgs boson production with two jets in the WW decay channel / Camaiani, Benedetta (INFN, Florence ; Florence U.) /CMS Collaboration
A measurement of the differential production cross section of the Higgs boson decaying into two W bosons, with two jets produced in association, is presented. The analysis is based on proton-proton collision data collected by the CMS detector from 2016 to 2018. [...]
CMS-CR-2025-134.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : Incontri di Fisica delle Alte Energie, Cagliari, 9 - 11 April

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2025-07-17
15:27
Search for lepton flavor violation at ATLAS and CMS / Basile, Chiara (INFN, Rome ; Rome U.) /ATLAS and CMS Collaborations
This contribution describes a selection of recent Charged Lepton Flavor Violation searches performed by the ATLAS and CMS collaborations at the Large Hadron Collider (LHC), covering a wide range of sectors including rare tau decays, top-quark interactions, Higgs boson decays, and heavy resonance searches. All the results in this document exploit the full proton-proton collision dataset collected during the LHC Run2 corresponding to and integrated luminosity of approximately 138~fb$^{-1}$..
CMS-CR-2025-096.- Geneva : CERN, 2025 - 9 p. Fulltext: PDF;
In : Workshop Italiano sulla Fisica ad Alta Intensita, Bologna, 11 - 15 Nov

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2025-07-14
14:40
CMS results on dark QCD signatures (emerging jets, semivisible jets, SUEP) / Cazzaniga, Cesare Tiziano (Zurich, ETH) /CMS Collaboration
We present recent results from the CMS experiment on searches for strongly coupled dark sectors using data collected during LHC Run 2. Such models can give rise to unconventional final states that may evade traditional LHC searches, including jets with unusual substructure, events with high multiplicities of soft, spherically distributed particles, or multiple displaced vertices.This report focuses on the latter two scenarios. [...]
CMS-CR-2025-129.- Geneva : CERN, 2025 - 9 p. Fulltext: PDF;
In : 13th Edition of the Large Hadron Collider Physics Conference (LHCP2025), Taipei, Tw, 5 - 9 May 2025

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