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> CMS Physics Analysis Summaries
CMS Physics Analysis Summaries
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2024-07-22
23:40
Search for Higgs boson production in association with a charm quark in the diphoton decay channel
/CMS Collaboration
This note presents the first search for the associated production of a Higgs boson with a charm quark (cH), focusing on the diphoton decay channel of the Higgs boson. This process provides a unique opportunity to probe the Higgs boson-charm quark coupling.
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CMS-PAS-HIG-23-010.-
Geneva : CERN, 2024
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2024-07-22
14:52
Search for nonresonant new physics in high-mass dilepton events in association with b-tagged jets
/CMS Collaboration
A search for nonresonant new physics phenomena in high-mass dilepton events produced in association with b-tagged jets is performed using the data collected by the CMS experiment at the CERN LHC at a center-of-mass energy of $13~\mathrm{TeV}$. The analysis considers two EFT-based models with 6-dimensional operators involving four fermion contact interactions between two leptons (electrons and muons) and $\mathrm{b}$ or $\mathrm{s}$ quarks ($\mathrm{bb\ell\ell}$ and $\mathrm{bs\ell\ell}$).
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CMS-PAS-EXO-23-010.-
Geneva : CERN, 2024
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2024-07-22
14:52
Measurement of $\mathrm{WZ}\gamma$ production and constraints on new physics scenarios in proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$
/CMS Collaboration
A measurement of the $\mathrm{WZ}\gamma$ triboson production predicted by the standard model is reported. The analysis uses a data sample of proton-proton collisions at a center-of-mass energy of $\sqrt{s}=13\,\mathrm{TeV}$ recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of $138\,\mathrm{fb}^{-1}$.
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CMS-PAS-SMP-22-018.-
Geneva : CERN, 2024
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2024-07-22
13:32
Combination and interpretation of fiducial differential Higgs boson production cross sections at $\sqrt{s}=13~\mathrm{TeV}$
/CMS Collaboration
The Higgs boson fiducial differential production cross sections are sensitive probes for the presence of physics beyond the standard model. New physics may contribute to the gluon-gluon fusion loop, the dominant Higgs boson production mechanism at the LHC, and manifest itself as deviations from the expected standard model distributions.
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CMS-PAS-HIG-23-013.-
Geneva : CERN, 2024
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2024-07-21
20:20
CMS luminosity measurement for nucleus-nucleus collisions at 5.02 TeV in Run 2
/CMS Collaboration
The measurements of the luminosity delivered to the CMS experiment during the lead-lead (PbPb) data taking in 2015 and 2018 are presented. The nucleon-nucleon collisions were recorded at a center-of-mass energy of $5.02~\mathrm{TeV}$, with the 2018 data sample being three times larger than that of 2015.
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CMS-PAS-LUM-20-002.-
Geneva : CERN, 2024
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2024-07-20
18:14
Search for heavy scalar resonances decaying to a pair of Z bosons in the 4-lepton final state at 13 TeV
/CMS Collaboration
A search for a heavy scalar resonance decaying to two Z bosons and subsequently to four leptons is presented, where the leptons can be electrons or muons. The results are based on the proton-proton collision data collected by the CMS experiment at the LHC at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 $\text{fb}^{-1}$.
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CMS-PAS-HIG-24-002.-
Geneva : CERN, 2024
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2024-07-20
16:01
Search for DM in association with b-quark and lepton pairs
/CMS Collaboration
A search is performed for dark matter produced in association with bottom quark and lepton pairs in data collected by the CMS detector at the LHC, corresponding to $138~\mathrm{fb}^{-1}$ of proton-proton collisions at a center-of-mass energy of $13~\mathrm{TeV}$. The analysis explores for the first time at the LHC the associated production of a bottom quark-antiquark pair and a new neutral Higgs boson that subsequently decays into a Z boson and a pseudoscalar, where the latter acts as dark matter mediator in the context of the 2HDM+$a$ model.
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CMS-PAS-SUS-23-018.-
Geneva : CERN, 2024
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2024-07-20
10:29
Search for vector-like leptons with long-lived particle decays in the CMS muon system
/CMS Collaboration
This note presents a search for vector-like leptons (VLLs), which in turn decay into a long-lived pseudoscalar and a standard model tau lepton. The pseudoscalar with a mass of 2 GeV exclusively decays into a pair of photons, and is identified using the muon detector shower signature.
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CMS-PAS-EXO-23-015.-
Geneva : CERN, 2024
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2024-07-20
09:25
Search for bosons of an extended Higgs sector in b quark final states in proton-proton collisions at 13 TeV
/CMS Collaboration
A search for beyond the Standard Model neutral Higgs bosons in final states with bottom quarks is performed with the CMS detector. The data analyzed were recorded in proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 13$ TeV at the LHC, corresponding to an integrated luminosity of up to 126.9 fb$^{-1}$.
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CMS-PAS-SUS-24-001.-
Geneva : CERN, 2024
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2024-07-20
09:10
Search for a heavy CP-odd Higgs boson decaying into a 125 GeV Higgs boson and a Z boson in final states with two tau and two light leptons at sqrts = 13 TeV
/CMS Collaboration
A search for a heavy CP-odd Higgs boson, $\mathrm{A}$, decaying into a 125 GeV Higgs boson $\mathrm{h}$ and a $\mathrm{Z}$ boson is presented. The $\mathrm{h}$ boson is identified via its decay into a pair of tau leptons, while the $\mathrm{Z}$ boson is identified via its decay to a pair of electrons or muons.
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CMS-PAS-HIG-22-004.-
Geneva : CERN, 2024
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