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CMS Physics Analysis Summaries

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2025-08-27
22:00
Constraints on the Higgs boson total decay width using signal-background interference in the diphoton final state with proton-proton collisions at sqrt{s} = 13 TeV /CMS Collaboration
The standard model Higgs boson with a mass of 125 GeV is predicted to have a decay width $\Gamma_H$ of 4.1 MeV. Direct $\Gamma_H$ measurements using on-shell Higgs boson production are limited by the experimental resolution which is of the order of 1 GeV in the diphoton and four-lepton final states. [...]
CMS-PAS-HIG-25-004.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-08-27
13:52
Search for heavy resonances decaying into two Higgs bosons in the bbtautau final state in proton-proton collisions at sqrt{s} = 13 TeV /CMS Collaboration
A search is presented for massive narrow-width resonances in the mass range of $1\text{-}4.5\,\text{TeV}$ decaying into pairs of Higgs bosons (HH), using proton-proton collision data at a center-of-mass energy of $13\,\text{TeV}$ collected with the CMS detector at the LHC during the $2016\text{-}2018$ data-taking. The data correspond to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-B2G-24-014.- 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; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

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2025-08-23
18:51
Search for s-channel production of lepton-enriched semivisible jets in proton-proton collisions at 13 TeV /CMS Collaboration
A search for resonant production of strongly-coupled dark matter manifesting as lepton-enriched semivisible jets in proton-proton collisions at the LHC is presented. The search is performed using data collected by the CMS experiment during 2016--2018 at a center-of-mass energy of 13 TeV corresponding to a total integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-EXO-24-029.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004: PDF; Figure_005-a: PDF; Figure_005-b: 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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2025-08-23
18:00
Precision luminosity measurement in proton-proton collisions at sqrt{s} = 13 TeV with the CMS detector /CMS Collaboration
The measurement of the integrated luminosity recorded by the CMS detector at the LHC in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$ in 2017 and 2018 is reported. The absolute luminosity calibration is obtained with the van der Meer (vdM) method through beam-separation scans that were performed in special accelerator conditions. [...]
CMS-PAS-LUM-20-001.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: 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_004-c: PDF; Figure_004-d: 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-a: PDF; Figure_009-b: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Figure_012: PDF; Figure_013: PDF; Figure_014: PDF; Figure_015-a: PDF; Figure_015-b: PDF; Figure_015-c: PDF; Figure_015-d: PDF; Figure_016: PDF; Figure_017: PDF; Figure_018: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-08-22
19:39
Search for charged Higgs bosons decaying into a top and a bottom quark in proton-proton collisions at sqrt{s} = 13 TeV /CMS Collaboration
A search is presented for charged Higgs bosons ($\text{H}^\pm$) in proton-proton ($\text{pp}$) collision events via the $\text{pp}\rightarrow(\text{q})\text{H}^\pm$ processes with $\text{H}^\pm\rightarrow\text{tb}$ decays. The analysis is based on the data collected at a center-of-mass energy of 13 TeV with the CMS detector at the LHC, corresponding to an integrated luminosity of 138 $\text{fb}^{-1}$. [...]
CMS-PAS-B2G-24-008.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_002: PDF; Figure_003: 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; Figure_005-c: PDF; Figure_005-d: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-08-14
19:30
Search for dark matter produced in association with a dark Higgs boson decaying into a bottom quark pair in proton-proton collisions at 13 TeV /CMS Collaboration
A search for dark matter produced in association with a dark Higgs boson decaying into a bottom quark pair has been performed in proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS detector during the 2016-2018 data-taking period at the CERN LHC. The analyzed data sample corresponds to an integrated luminosity of 138 $\mathrm{fb}^{-1}$. [...]
CMS-PAS-SUS-23-013.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002: PDF; Figure_003: PDF; Figure_004: PDF; Figure_005: PDF; Figure_006: PDF; Figure_007: PDF; Figure_008: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-08-02
14:42
Simultaneous measurements of $N$-subjettiness observables in light-flavour quark and gluon jets, and in hadronic decays of boosted W bosons and top quarks /CMS Collaboration
A simultaneous measurement of twenty-five jet substructure observables is presented using large-radius jets with high transverse momentum from proton-proton collisions at $\sqrt{s}=13$ TeV. The measurement is carried out on QCD dijet events and $\mathrm{t\overline{t}}$ events enriched in boosted, hadronic decays of W bosons and top quarks. [...]
CMS-PAS-SMP-22-003.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: 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: PDF; Figure_008: PDF; Figure_009: PDF; Figure_010: PDF; Figure_011: PDF; Figure_012: PDF; Figure_013-a: PDF; Figure_013-b: PDF; Figure_014-a: PDF; Figure_014-b: PDF; Figure_015-a: PDF; Figure_015-b: 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_018-a: PDF; Figure_018-b: PDF; Figure_018-c: PDF; Figure_018-d: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-08-02
09:45
Particle transformers for identifying Lorentz-boosted Higgs bosons decaying to a pair of W bosonsn /CMS Collaboration
A novel deep neural network classifier, the "particle transformer" (ParT), is introduced for the identification of highly Lorentz-boosted, multi-pronged jets in measurements and searches performed with the CMS detector at the LHC. Based on a self-attention mechanism that allows the model to weigh the importance of different particles, ParT is trained on a wide variety of topologies, notably demonstrating strong performance for the first time on jets originating from boosted Higgs boson decays to W bosons. [...]
CMS-PAS-JME-25-001.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002: PDF; Figure_003: 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; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_008-c: PDF; Figure_008-d: PDF; Figure_008-e: PDF; Figure_008-f: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_010: PDF; Figure_011-a: PDF; Figure_011-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-07-27
20:29
A search for a heavy resonance decaying to a top quark and a new scalar in the boosted all-hadronic final state at $\sqrt{s}=$ 13 TeV /CMS Collaboration
A search for a heavy resonance decaying to a top quark and a neutral scalar boson $\phi$ in the all-hadronic final state is presented, where the $\phi$ boson candidate is identified by its decay into a bottom quark-antiquark pair. The search is focused on final states in which the decay products of the highly Lorentz-boosted top quark and $\phi$ boson are each expected to be reconstructed as single, large-radius jets with distinct substructures. [...]
CMS-PAS-B2G-22-001.- Geneva : CERN, 2025 Figure_001: PDF; Figure_002: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_003-c: PDF; Figure_003-d: PDF; Figure_004: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006: PDF; Figure_007: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-07-21
14:00
Measurement of the t-channel single top quark cross section in pp collision data at sqrt(s) = 5.02 TeV /CMS Collaboration
The single top quark $t$-channel production cross section is measured in proton-proton collisions at $\sqrt{s}=5.02$ TeV using data recorded in 2017, corresponding to an integrated luminosity of $302~\mathrm{pb}^{-1}$. Events with one electron or muon and two or more jets, among which one or more are identified as coming from a b quark, are analyzed. [...]
CMS-PAS-TOP-24-011.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002: 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: PDF; Figure_007: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée