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CMS Preprints

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2026-05-19
13:12
Hot QCD matter probed via measurements of the speed of sound with CMS / Padula, Sandra (SAO_PAULO) /CMS Collaboration
A hot and dense quark-gluon medium is observed to be created in ultrarelativistic nuclear collisions, exhibiting striking collective flow behavior, with fluid-like properties well described by relativistic hydrodynamics, with minimal viscous dissipation. The characteristics of this medium are under intense investigation, and in particular, its thermodynamical properties. [...]
CMS-CR-2026-045.- Geneva : CERN, 2026 - 12 p. Fulltext: PDF;
In : 53rd International Symposium on Multiparticle Dynamics (ISMD) 2025, Corfu, Greece, 21 - 28 Sep 2025

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2026-05-19
13:12
Reliability assessment of CMS Drift Tubes readout electronics for the HL-LHC upgrade / Toffano, Marco (INFN, Padua)
The new readout electronics of the CMS Drift Tubes detector has been evaluated in terms of its reliability. Starting with a brief overview of the main functionalities of the board, operating requirements and critical elements, an initial estimate of the hardware robustness with respect to expected faults over time is then presented. [...]
CMS-CR-2026-041.- Geneva : CERN, 2026 - 10 p. Fulltext: PDF;

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2026-05-19
13:12
Hot QCD matter probed via measurements of the speed of sound with CMS / Padula, Sandra (SAO_PAULO) /CMS Collaboration
A hot and dense quark-gluon medium is observed to be created in ultrarelativistic nuclear collisions, exhibiting striking collective flow behavior, with fluid-like properties well described by relativistic hydrodynamics, with minimal viscous dissipation. The characteristics of this medium are under intense investigation, and in particular, its thermodynamical properties. [...]
CMS-CR-2026-045.- Geneva : CERN, 2026 - 12 p. Fulltext: PDF;
In : 53rd International Symposium on Multiparticle Dynamics (ISMD) 2025, Corfu, Greece, 21 - 28 Sep 2025

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2026-05-19
04:01
First measurements of vector boson scattering in W$^\pm$W$^{\pm}$ and WZ production in all-leptonic final states at $\sqrt{s}$ = 13.6 TeV / CMS Collaboration
The production cross sections of W$^\pm$W$^{\pm}$ and WZ boson pairs in association with two jets in proton-proton collisions are measured at $\sqrt{s}$ = 13.6 TeV. [...]
arXiv:2605.15396 ; CMS-SMP-25-013 ; CERN-EP-2026-126. - 45.
Fulltext

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2026-05-18
19:28
Searches for new physics with top quarks in ATLAS and CMS / Iemmi, Fabio (Beijing, Inst. High Energy Phys.) /ATLAS and CMS Collaborations
The latest results by the ATLAS and CMS Collaborations on searches for new physics phenomena involving the production of top quarks are summarized. Both direct searches for new particles and interpretations of Standard Model measurements in terms of the presence of new physics are reported..
CMS-CR-2026-040.- Geneva : CERN, 2026 - 6 p. Fulltext: PDF;
In : 60th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, It, 15 - 22 Mar 2026

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2026-05-16
04:23
Search for new physics in triple boson production in proton-proton collisions at $\sqrt{s}$ = 13 TeV using the effective field theory approach / CMS Collaboration
A search for new physics in the production of three massive gauge bosons (VVV, where V is a W or Z boson) is presented. [...]
arXiv:2605.15023 ; CMS-SMP-24-017 ; CERN-EP-2026-041. - 55 p, 55.
Fulltext

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2026-05-16
04:22
Constraints on anomalous Higgs boson couplings to vector bosons and fermions using the $γγ$ final state in proton-proton collisions at $\sqrt{s}$ = 13 TeV / CMS Collaboration
Possible anomalous couplings of the Higgs boson to vector bosons and fermions are studied using Higgs boson candidates decaying to a pair of photons. [...]
arXiv:2605.14245 ; CMS-HIG-24-006 ; CERN-EP-2026-100. - 61 p, 61.
Fulltext

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2026-05-16
04:20
Search for single vector-like quark production in opposite-sign dilepton final states in proton-proton collisions at $\sqrt{s}$ = 13 TeV / CMS Collaboration
A search is presented for single production of a vector-like top quark T, decaying into the standard model top quark and Higgs boson, in a final state including two opposite-sign leptons (electrons or muons), jets, and missing transverse momentum. [...]
arXiv:2605.13649 ; CMS-B2G-24-020 ; CERN-EP-22026-115. - 43 p, 43.
Fulltext

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2026-05-15
04:21
Search for pair production of additional neutral scalars within the Inert Doublet Model in a final state with two electrons or two muons in proton-proton collisions at $\sqrt{s}$ = 13 TeV and 13.6 TeV / CMS Collaboration
A first dedicated search for pair production of new scalars predicted by the Inert Doublet Model is performed using proton-proton collisions. [...]
arXiv:2605.13614 ; CMS-NPS-25-002 ; CERN-EP-2026-098. - 51 p, 51.
Fulltext

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2026-05-08
10:11
The CMS ME0 GEM detector for the HL-LHC / De Bruyn, Isabelle Helena J (Brussels U.) /CMS Collaboration
The CMS Muon system is undergoing significant upgrades for High-Luminosity LHC operation, including the installation of the ME0 GEM detector. This detector is a 6-layer station that will expand the geometrical acceptance for muons up to pseudorapidity $\lvert\eta\rvert=2.8$. [...]
CMS-CR-2026-055.- Geneva : CERN, 2026 - 10 p. Fulltext: PDF;
In : Corfu 2025 Workshop on Future Accelerators, Corfu, Greece, Gr, 27 Apr. - 4 May 2025

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