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CMS Physics Analysis Summaries

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2025-07-11
23:51
Machine-learning techniques for model-independent searches in dijet final states /CMS Collaboration
Anomaly detection methods used in a recent search for new phenomena at the CMS Experiment at the LHC are presented. The methods use machine learning to detect anomalous jets produced in the decay of new massive particles. [...]
CMS-PAS-MLG-23-002.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_005: PDF; Figure_006: PDF; Figure_007: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_010-a: PNG; Figure_010-b: PNG; Figure_010-c: PNG; Figure_010-d: PNG; Figure_011-a: PNG; Figure_011-b: PNG; Figure_011-c: PNG; Figure_011-d: PNG; Figure_012-a: PNG; Figure_012-b: PNG; Figure_012-c: PNG; Figure_012-d: PNG; Figure_013-a: PDF; Figure_013-b: PDF; Figure_013-c: PDF; Figure_014-a: PDF; Figure_014-b: PDF; Figure_015: PDF; Figure_016-a: PDF; Figure_016-b: PDF; Figure_017-a: PDF; Figure_017-b: PDF; Figure_017-c: PDF; Figure_017-d: PDF; Figure_017-e: PDF; Figure_017-f: PDF; Figure_018: PDF; Figure_019: PDF; Figure_020-a: PDF; Figure_020-b: PDF; Figure_020-c: PDF; Figure_020-d: PDF; Figure_020-e: PDF; Figure_020-f: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-07-11
17:08
Search for light scalar particles from Higgs boson decays in exclusive final states with two muons and two hadrons /CMS Collaboration
A search for new scalar particles of $\mathcal{O}(\mathrm{GeV}$) mass in exclusive final states with muons and light hadrons is presented. The analysis uses proton-proton collision data produced at the LHC in $2016-2018$ at a center of mass energy of $13\,\mathrm{TeV}$ and collected by the CMS experiment, corresponding to an integrated luminosity of $138\,\mathrm{fb}^{-1}$. [...]
CMS-PAS-EXO-24-034.- Geneva : CERN, 2025 Figure_001: PNG; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_005-d: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-07-11
13:02
Search for heavy scalar resonances decaying to a Higgs and a Higgs-like boson in the Lorentz-boosted $\mathrm{b\overline{b}}4\mathrm{q}$ final state /CMS Collaboration
A search is performed for a heavy scalar resonance X decaying to a Higgs boson (H) and Higgs-like scalar boson (Y) in the $\mathrm{H}\to\mathrm{b\overline{b}}$ and $\mathrm{Y}\to\mathrm{VV}\to4\mathrm{q}$ final state, where q denotes a quark. Masses of the X boson between 900 and $4000\,\mathrm{GeV}$ and the Y between 60 and $2800\,\mathrm{GeV}$ are considered. [...]
CMS-PAS-B2G-23-007.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006-a: PDF; Figure_006-b: 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_010: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-07-10
21:23
Constraints on anomalous Higgs boson couplings to vector bosons and fermions analyzing the gamma gamma final state /CMS Collaboration
Possible anomalous couplings of the Higgs boson to vector bosons and fermions are studied in this document. The data are recorded by the CMS experiment at the LHC and corresponds to an integrated luminosity of 138 fb$^{-1}$ at a center-of-mass energy of 13 TeV. [...]
CMS-PAS-HIG-24-006.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_001-d: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: 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_010-a: PDF; Figure_010-b: PDF; Figure_010-c: PDF; Figure_010-d: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_011-c: PDF; Figure_011-d: PDF; Figure_012: PDF; Figure_013: 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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2025-07-10
18:47
Search for exotic Higgs boson decays $H \to \mathcal{A}\mathcal{A}$ with $\mathcal{A} \to \gamma\gamma$ in events with a partially merged topology in proton-proton collisions at $\sqrt{s} = 13~\mathrm{TeV}$ /CMS Collaboration
A search for an exotic decay of the Higgs boson to a pair of light pseudoscalars $H \to \mathcal{A}\mathcal{A}$ with $\mathcal{A} \to \gamma\gamma$ is presented, using events with a partially merged topology. One of the hypothetical particles $\mathcal{A}$ is assumed to decay promptly into a semi-merged diphoton system reconstructed as a single photon-like object, while the other $\mathcal{A}$ decays into two resolved photons. [...]
CMS-PAS-EXO-24-025.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007: 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: PDF; Figure_011: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-07-08
14:20
Highly boosted dielectron identification in proton-proton collisions at $\sqrt{s} = 13~\mathrm{TeV}$ /CMS Collaboration
Searches for highly boosted new particles that decay to dielectron pairs can be challenging, as the relatively coarse granularity of many calorimeters and the size of their effective Moli$\mathrm{\grave{e}}$re radius can lead to their misidentification as single electrons. A new technique is developed to identify electron pairs in the range of Lorentz boost $\gamma > 20$ which produce one single merged cluster in the electromagnetic calorimeter of the CMS detector. [...]
CMS-PAS-EGM-24-002.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_002-d: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_006-c: PDF; Figure_007: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-07-08
14:09
Measurement of the jet mass and W boson mass in hadronic decays of boosted W bosons at 13 TeV /CMS Collaboration
The jet mass of W bosons decaying to a quark-antiquark pair is measured in W+jets events from proton-proton collisions at a center-of-mass energy of $\sqrt{s}=13~\mathrm{TeV}$. The data used were collected by the CMS experiment at the CERN LHC and correspond to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-SMP-24-012.- 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: PDF; Figure_005: PDF; Figure_006: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_007-c: PDF; Figure_008: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_011-c: PDF; Figure_012-a: PDF; Figure_012-b: PDF; Figure_012-c: PDF; Figure_013-a: PDF; Figure_013-b: PDF; Figure_013-c: PDF; Figure_014-a: PDF; Figure_014-b: PDF; Figure_014-c: PDF; Figure_014-d: PDF; Figure_015-a: PDF; Figure_015-b: PDF; Figure_015-c: PDF; Figure_016-a: PDF; Figure_016-b: PDF; Figure_016-c: PDF; Figure_017-a: PDF; Figure_017-b: PDF; Figure_017-c: PDF; Figure_018-a: PDF; Figure_018-b: PDF; Figure_018-c: PDF; Figure_019: PDF; Figure_020-a: PDF; Figure_020-b: PDF; Figure_021: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-07-08
10:58
Search for triple Higgs production in Run2 data of CMS using 4b2gamma final state. /CMS Collaboration
A search for triple Higgs boson production using the Run 2 data collected by the CMS experiment in the final state of four b jets and two photons is presented. The search is performed with proton-proton collision data at $\sqrt{s}=13~\mathrm{TeV}$, corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-HIG-24-015.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_001-d: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_009: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-07-07
19:07
Search for associated production of a Higgs boson and of two vector bosons via vector boson scattering /CMS Collaboration
A search for the production of a Higgs boson in association with two vector bosons via vector boson scattering is presented. The search uses CMS data from proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$ collected from 2016 to 2018, corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-HIG-24-003.- 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; Figure_005: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-07-07
18:38
Long-lived particle triggers at CMS: Strategy and performance in proton-proton collisions at $\sqrt{s}=13.6~\mathrm{TeV}$ /CMS Collaboration
The CMS Run 3 (2022--2026) physics program expands the scope of the search for long-lived particles at the CERN LHC with the addition of dedicated triggers and the improvement of the existing triggers. These customized triggers are described in this note, along with their performance using several models of new physics and the proton-proton collision data collected by the CMS detector during 2022--2024 at a center-of-mass energy of $13.6~\mathrm{TeV}$..
CMS-PAS-EXO-23-016.- 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_004: PDF; Figure_005: PDF; Figure_006: PDF; Figure_007: PDF; Figure_008: PDF; Figure_009: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_012: PDF; Figure_013-a: PDF; Figure_013-b: PDF; Figure_014-a: PDF; Figure_014-b: PDF; Figure_015: PDF; Figure_016-a: PDF; Figure_016-b: PDF; Figure_017-a: PDF; Figure_017-b: PDF; Figure_018: PDF; Figure_019: PDF; Figure_020-a: PDF; Figure_020-b: PDF; Figure_021: PDF; Figure_022: PDF; Figure_023-a: PDF; Figure_023-b: PDF; Figure_024: PDF; Figure_025-a: PDF; Figure_025-b: PDF; Figure_026: PDF; Figure_027: PDF; Figure_028-a: PDF; Figure_028-b: PDF; Figure_029-a: PDF; Figure_029-b: PDF; Figure_030: PDF; Figure_031-a: PDF; Figure_031-b: PDF; Figure_032-a: PDF; Figure_032-b: PDF; Figure_033: PDF; Figure_034-a: PDF; Figure_034-b: PDF; Figure_035: PDF; Figure_036-a: PDF; Figure_036-b: PDF; Figure_037-a: PDF; Figure_037-b: PDF; Figure_038: PDF; Figure_039-a: PDF; Figure_039-b: PDF; Figure_039-c: PDF; Figure_040: PDF; Figure_041-a: PDF; Figure_041-b: PDF; Figure_041-c: PDF; Figure_042-a: PDF; Figure_042-b: PDF; Figure_042-c: PDF; Figure_043-a: PDF; Figure_043-b: PDF; Figure_044: PDF; Figure_045: PDF; Figure_046: PDF; Figure_047: PDF; Figure_048: PDF; Figure_049-a: PDF; Figure_049-b: PDF; Figure_050: PDF; Figure_051-a: PDF; Figure_051-b: PDF; Figure_052-a: PDF; Figure_052-b: PDF; Figure_053: PDF; Figure_054-a: PDF; Figure_054-b: PDF; Figure_055: PDF; Figure_056: PDF; Figure_057: PDF; Figure_058-a: PDF; Figure_058-b: PDF; Figure_059: PDF; Figure_060: PDF; Figure_061-a: PDF; Figure_061-b: PDF; Figure_062: PDF; Figure_063-a: PDF; Figure_063-b: PDF; Figure_063-c: PDF; Figure_063-d: PDF; Figure_064: PDF; Figure_065: PDF; Figure_066: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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