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CMS Physics Analysis Summaries

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2025-03-08
17:23
Study of semileptonic vector boson scattering and anomalous quartic gauge coupling from proton-proton collisions at 13 TeV /CMS Collaboration
A measurement of the electroweak production of ZV (V = W, Z) boson pairs associated with two jets in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. The analysis targets final states with two isolated electrons or muons from Z decays and three to four jets, depending on the momentum of the vector boson that decays into quarks. [...]
CMS-PAS-SMP-22-011.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_003-d: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-03-08
13:03
Measurement of WWZ and ZH cross sections at sqrt(s)=13 and 13.6 TeV in the four-lepton channel with the CMS detector /CMS Collaboration
A measurement is presented of the cross section in proton-proton collisions for the production of two W bosons and one Z boson. It is based on a data recorded by the CMS experiment at the CERN LHC at center-of-mass energies $\sqrt{s}$=13 and 13.6 TeV, and corresponding to an integrated luminosity of 200 fb$^{-1}$. [...]
CMS-PAS-SMP-24-015.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-02-26
15:16
Characterizing the Initial State in XeXe and PbPb Collisions using Multiparticle Cumulants /CMS Collaboration
The nuclear shape and size dependences of Fourier flow harmonics ($v_{n}$, $n = 2,3,4$) in XeXe collisions at $\sqrt{s_{{\mathrm{NN}}}} = 5.44~\mathrm{TeV}$ and PbPb collisions at $\sqrt{s_{{\mathrm{NN}}}} = 5.36~\mathrm{TeV}$ are studied using the CMS detector. For the first time, correlations between higher-power moments of two or three flow harmonics, as a function of collision centrality, are compared in XeXe and PbPb collisions. [...]
CMS-PAS-HIN-24-004.- Geneva : CERN, 2025 Figure_001-a: PNG; Figure_001-b: PNG; Figure_002-a: PNG; Figure_002-b: PNG; Figure_003-a: PNG; Figure_003-b: PNG; Figure_004-a: PNG; Figure_004-b: PNG; Figure_005-a: PNG; Figure_005-b: PNG; Figure_006-a: PNG; Figure_006-b: PNG; Figure_007-a: PNG; Figure_007-b: PNG; Figure_008-a: PNG; Figure_008-b: PNG; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-02-18
18:46
First $k_{\mathrm{T}}$ scan of the Lund jet plane in heavy-ion collisions to test the factorization of the vacuum and medium parton shower /CMS Collaboration
This note presents the first relative transverse momentum ($k_{\mathrm{T}}$) scan of the Lund jet plane for high-energy jets in lead-lead (Pb-Pb) collisions at the LHC at a nucleon-nucleon center-of-mass energy of 5.02 TeV. We report the fully corrected angular distribution of the primary emissions with the highest $k_{\mathrm{T}}$ in two different ranges of $k_{\mathrm{T}}$ for anti-$k_{\mathrm{T}}$ jets with distance parameter $R=0.4$ and transverse momentum in the range $200 < p_{\mathrm{T}}^\text{jet} < 1000$ GeV. [...]
CMS-PAS-HIN-24-016.- Geneva : CERN, 2025 Figure_001: PNG; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-02-14
21:05
A new method for correcting the substructure of multi-prong jets using Lund jet plane reweighting in the CMS experiment /CMS Collaboration
Many analyses at the CERN LHC employ techniques exploiting the substructure of large-radius jets. These techniques aim to identify large-radius jets originating from heavy resonances produced with high momenta that decay into multiple quarks or gluons. [...]
CMS-PAS-JME-23-001.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_002-d: PDF; Figure_002-e: PDF; Figure_002-f: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_003-d: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_004-d: PDF; Figure_004-e: PDF; Figure_004-f: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_005-d: PDF; Figure_005-e: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_007-c: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_008-c: PDF; Figure_009: PDF; Figure_010: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-01-20
09:05
Measurements of the Upsilon(1S) meson production in association with a Z boson in proton-proton collisions at sqrt(s)=13 TeV /CMS Collaboration
The first measurement of the associated production of an $\Upsilon$(1S) meson with a Z boson using the four-muon final state is presented. The analysis is based on proton-proton data at $\sqrt{s}=13~\mathrm{TeV}$, collected with the CMS detector in 2016--2018 and corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-BPH-23-007.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-12-05
18:47
ttH multilepton (differential) /CMS Collaboration
The production of a Higgs (H) boson in association with two top quarks ($\mathrm{t\bar{t}H}$) in final states containing multiple electrons, muons, or hadronically decaying tau leptons is measured using proton-proton collisions recorded at a center-of-mass energy of 13~TeV with the CMS detector. The analyzed data correspond to an integrated luminosity of 138 $\mathrm{fb^{-1}}$. The analysis aims at events that contain $\mathrm{H \rightarrow WW}$ or $\mathrm{H \rightarrow} \tau \tau$ decays and the top quarks decay into final states with leptons or hadrons. [...]
CMS-PAS-HIG-23-015.- Geneva : CERN, 2024 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_002-d: PDF; Figure_002-e: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-11-23
10:58
Constraining nPDFs using dijet production in pPb collisions at 8.16 TeV with the CMS experiment /CMS Collaboration
The dijet pseudorapidity ($\eta^{\text{dijet}}$) distribution in proton-lead ($\text{pPb}$) collisions is sensitive to nuclear modifications of parton distribution functions (PDFs). Additionally, the measurement of the $\eta^{\text{dijet}}$ dependence of the average transverse momenta of dijets provides a precise method for investigating the energy scale of partonic interactions and their momentum transfer dependence ($Q^{2}$). [...]
CMS-PAS-HIN-24-014.- Geneva : CERN, 2024 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-11-15
22:19
Combination of searches for nonresonant Higgs boson pair production in proton-proton collisions at sqrt(s) = 13 TeV /CMS Collaboration
This note presents a comprehensive overview and statistical combination of searches for the nonresonant production of Higgs boson pairs (HH) using data from proton-proton collisions collected by the CMS experiment at the LHC from 2016 to 2018 at a centre-of-mass energy of $13~\mathrm{TeV}$, corresponding to a total integrated luminosity of $138~\mathrm{fb}^{-1}$. Upper limits at $95\%$ confidence level are set on the rate of the HH production [...]
CMS-PAS-HIG-20-011.- Geneva : CERN, 2024 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_005: PDF; Figure_006: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_009-c: PDF; Figure_010: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_012-a: PDF; Figure_012-b: PDF; Figure_013-a: PDF; Figure_013-b: PDF; Figure_014-a: PDF; Figure_014-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-10-24
16:56
Search for a new heavy scalar boson decaying into a Higgs boson and a new scalar particle in the four b-quarks final state using proton-proton collisions at $sqrt{s}=$ 13 TeV /CMS Collaboration
A search for a massive scalar resonance, X, decaying into a Higgs boson and a scalar, Y, in proton-proton collisions at a centre-of-mass energy of $13~\mathrm{TeV}$ is presented. The search is performed using a data sample corresponding to an integrated luminosity of $138\,\text{fb}^{-1}$ collected by the CMS detector. [...]
CMS-PAS-HIG-20-012.- Geneva : CERN, 2024 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_002-d: PDF; Figure_002-e: PDF; Figure_002-f: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_003-d: PDF; Figure_003-e: PDF; Figure_003-f: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_005: PDF; Figure_006: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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