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CMS Physics Analysis Summaries

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2024-04-15
19:24
Search for dark matter produced in association with a single top quark or a top quark pair in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$ /CMS Collaboration
A search is performed for dark matter produced in association with top quarks using the data collected by the CMS detector at the LHC from proton-proton collisions at a centre-of-mass energy of 13 TeV, corresponding to $138~\mathrm{fb}^{-1}$ of integrated luminosity. The analysis explores the production of dark matter particles in association with a single top quark or a pair of top quarks. [...]
CMS-PAS-EXO-22-014.- Geneva : CERN, 2024 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: 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_003-d: PDF; Figure_003-e: PDF; Figure_003-f: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_004-d: 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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2024-04-12
19:43
{Measurement of the $Z(\nu\bar{\nu})+\gamma$ production cross section and search for anomalous neutral triple gauge couplings in pp collisions at $13~\mathrm{TeV}$} /CMS Collaboration
The measurement of the production cross section of a Z boson and a photon in the final state with one photon and large missing transverse momentum, and a search for the presence of neutral anomalous triple gauge couplings are presented. The results are based on data collected by the CMS experiment in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$ during the 2016, 2017, and 2018 LHC running periods, corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-SMP-22-009.- Geneva : CERN, 2024 Figure_001: PNG; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005-a: PNG; Figure_005-b: PNG; Figure_006-a: PNG; Figure_006-b: PNG; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-04-11
22:43
Energy scaling behavior of intrinsic transverse momentum in Drell-Yan events /CMS Collaboration
We present an analysis of intrinsic transverse momentum by studying the dilepton transverse momentum in Drell-Yan events. Utilizing widely adopted event generators and data from fixed-target experiments, the Tevatron, and the LHC, our investigation spans three orders of magnitude in center-of-mass energy and two orders of magnitude in dilepton invariant mass. [...]
CMS-PAS-GEN-22-001.- Geneva : CERN, 2024 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-04-11
20:14
Measurement of the inclusive $\mathrm{t\bar{t}}$ cross section in final states with one lepton and additional jets at 5.02 TeV with 2017 data /CMS Collaboration
A measurement of the top quark pair production cross section in proton-proton collisions at a centre-of-mass energy of 5.02 TeV is presented. The data were collected in a low-energy and low-intensity LHC run in autumn 2017, and correspond to an integrated luminosity of 302 $\mathrm{pb}^{-1}$. [...]
CMS-PAS-TOP-23-005.- Geneva : CERN, 2024 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PNG; Figure_003-b: PNG; Figure_004: PDF; Figure_005: PDF; Figure_006: PDF; Figure_007: PDF; Figure_008: PDF; Figure_009: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-04-10
17:36
Measurements of the light-by-light scattering and the Breit--Wheeler processes, and searches for axion-like particles in ultraperipheral PbPb collisions at $\sqrt{s_\mathrm{NN}} = 5.02~\mathrm{TeV}$ /CMS Collaboration
Measurements of the light-by-light scattering (LbL, $\gamma\gamma\to\gamma\gamma$) and the Breit--Wheeler (B--W, $\gamma\gamma\to\mathrm{e}^+\mathrm{e}^-$) processes are reported in ultraperipheral PbPb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV using a data sample corresponding to an integrated luminosity of $1.65~\mathrm{nb}^{-1}$. Events with a pair of exclusively produced photons or $\mathrm{e}^+\mathrm{e}^-$ are selected, each with transverse energy $E_\mathrm{T}^{\gamma,\mathrm{e}}>2~\mathrm{GeV}$, pseudorapidity $|\eta^{\gamma,\mathrm{e}}|<2.2$, pair invariant mass $m^{\gamma\gamma,\mathrm{ee}}> 5~\mathrm{GeV}$, pair transverse momentum $p_\mathrm{T}^{\gamma\gamma,\mathrm{ee}}<1~\mathrm{GeV}$, and pair azimuthal acoplanarity $A_\phi<0.01$. [...]
CMS-PAS-HIN-21-015.- 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_002-g: PDF; Figure_002-h: PDF; Figure_003: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_004-d: PDF; Figure_005: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: PDF; Figure_006-d: PDF; Figure_006-e: PDF; Figure_006-f: PDF; Figure_006-g: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008: PDF; Figure_009: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-04-08
15:30
Measurement of time-dependent $CP$ violation in $B_s^0 \to J/\psi\, \phi(1020)$ decays with the CMS detector /CMS Collaboration
A study of $CP$ violation in $B_s^0 \to J/\psi\, \phi(1020)$ decays is presented, based on the data collected by the CMS experiment at the LHC. The measurement is based on a data sample of roughly $491\,000$ reconstructed signal events corresponding to an integrated luminosity of $96.5\ \text{fb}^{-1}$, collected in proton-proton collisions at 13 TeV in 2017-2018 [...]
CMS-PAS-BPH-23-004.- 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_002-g: PDF; Figure_003: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-04-04
15:24
Search for rare decays of the Higgs boson into a photon and a $\rho$, $\phi$ or $\mathrm{K}^{*0}$ meson /CMS Collaboration
Higgs boson decays into a photon and a $\rho^0$(770), $\phi$, or $\mathrm{K}^{*0}$(892) meson are searched for using proton-proton collision data collected by the CMS experiment at the LHC at $\sqrt{s}=13~\mathrm{TeV}$. Events are selected in which the mesons decay into pairs of charged pions, pairs of charged kaons, and charged kaon-pion pairs respectively. [...]
CMS-PAS-HIG-23-005.- Geneva : CERN, 2024 Figure_001: 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_003-d: PDF; Figure_003-e: PDF; Figure_003-f: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2024-04-01
21:28
Search for dark matter produced in association with a pair of bottom quarks in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$ /CMS Collaboration
A search for dark matter (DM) particles produced in association with bottom quarks is presented. The analysis uses proton-proton collision data at a center-of-mass energy of $\sqrt{s}=13~\mathrm{TeV}$, corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-SUS-23-008.- Geneva : CERN, 2024 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004: 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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2024-03-29
11:24
Search for hadronic R-parity violating decays of electroweak superpartners using jet scaling patterns in multilepton events at $\sqrt{s}=13~\mathrm{TeV}$ /CMS Collaboration
The first search for pair production of electroweak chargino-neutralino superpartners with cascade decay emission of leptonically decaying $\mathrm{W}$ and $\mathrm{Z}$ bosons, along with prompt decay of the lightest neutralino superpartner to three strongly interacting particles through hadronic R-parity violating interactions is presented. The search employs a comparison of jet multiplicity distributions in one, two, and four lepton events to calibrate and probe for supersymmetric production of events with three leptons in association with multiple jets in a data sample of 138$~\mathrm{fb}^{-1}$ of 13$~\mathrm{TeV}$ proton-proton collisions recorded by the CMS detector at the LHC. [...]
CMS-PAS-SUS-23-015.- Geneva : CERN, 2024 Figure_001: 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_003-d: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_004-d: 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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2024-03-28
09:17
Measurement of the $\mathrm{B}^0_\mathrm{s}$ effective lifetime in the decay $\mathrm{B}^0_\mathrm{s}\to\mathrm{J}/\psi\, \mathrm{K}^0_\mathrm{S}$ from pp collisions at $\sqrt{s} = 13~\mathrm{TeV}$ /CMS Collaboration
The effective lifetime of the $\mathrm{B}^0_\mathrm{s}$ meson in the decay $\mathrm{B}^0_\mathrm{s}\to\mathrm{J}/\psi \, \mathrm{K}^0_\mathrm{S}$ is measured using data collected during 2016--2018 with the CMS detector in $\sqrt{s}=13~\mathrm{TeV}$ proton-proton collisions at the LHC, corresponding to an integrated luminosity of $140~\mathrm{fb}^{-1}$. The effective lifetime is determined by performing a two-dimensional unbinned maximum likelihood fit to the $\mathrm{B}^0_\mathrm{s}\to\mathrm{J}/\psi\, \mathrm{K}^0_\mathrm{S}$ meson invariant mass and proper decay time distributions. [...]
CMS-PAS-BPH-22-001.- Geneva : CERN, 2024 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; 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_005-f: 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-a: PDF; Figure_009-b: PDF; Figure_009-c: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_010-c: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_011-c: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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