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CMS Physics Analysis Summaries

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2025-05-21
22:03
First fully exclusive reconstruction of radiative decays of the $\mathrm{B}^{*+}$, $\mathrm{B}^{*0}$, and $\mathrm{B}^{*0}_\mathrm{s}$ mesons and measurement of their masses in proton-proton collisions at $\sqrt{s} = 13\,\text{TeV}$ /CMS Collaboration
Using a data sample corresponding to an integrated luminosity of $140\,\text{fb}^{-1}$ of proton-proton collisions collected by the CMS experiment at $\sqrt{s}= 13\,\text{TeV}$ in 2016--2018, the first full reconstruction of the three vector B meson states, $\mathrm{B}^{*+}$, $\mathrm{B}^{*0}$, and $\mathrm{B}^{*0}_\mathrm{s}$, is performed. The mass differences between the excited mesons and their corresponding ground states are measured to be $m(\mathrm{B}^{*+})-m(\mathrm{B}^{+}) = 45.277\pm0.039\pm0.021\,\text{MeV}$, $m(\mathrm{B}^{*0})-m(\mathrm{B}^{0}) = 45.471\pm0.056\pm0.024\,\text{MeV}$, and $m(\mathrm{B}^{*0}_\mathrm{s})-m(\mathrm{B}^{0}_\mathrm{s}) = 49.407\pm0.132\pm0.034\,\text{MeV}$, where the first uncertainty is statistical and the second is systematic. [...]
CMS-PAS-BPH-24-011.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_A001-d: PDF; Figure_A001-e: PDF; Figure_A001-f: PDF; Figure_A001-g: PDF; Figure_C001-h: PDF; Figure_C001-i: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-05-21
11:48
Observation and differential measurement of electroweak production of one photon and two jets in proton-proton collisions at 13 TeV /CMS Collaboration
The first observation of electroweak production of a photon in association with two forward jets in proton-proton collisions is presented. The measurement uses data recorded by the CMS experiment at the LHC during 2016--2018 at a center--of--mass energy of $13~\mathrm{TeV}$, corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-SMP-19-005.- 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_004-c: PDF; Figure_004-d: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_005-c: PDF; Figure_006: PDF; Figure_007: PDF; Figure_008: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_009-c: PDF; Figure_009-d: PDF; Figure_009-e: PDF; Figure_009-f: PDF; Figure_010-a: PDF; Figure_010-b: 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)

Notice détaillée
2025-05-21
10:09
Search for heavy H$\gamma$ and Z$\gamma$ resonances with a b quark pair final state in proton-proton collisions at sqrt(s) = 13 TeV /CMS Collaboration
A search for heavy resonances decaying into a H or Z boson and a photon, with the H and Z bosons decaying to a pair of bottom quarks (b$\bar{\text{b}}$) is presented. The analysis is performed in proton-proton collision data at $\sqrt{s}=13~\mathrm{TeV}$ collected by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-B2G-24-007.- 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_006-c: PDF; Figure_006-d: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_007-c: PDF; Figure_007-d: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-05-20
09:33
Search for supersymmetry in hadronic and leptonic final states with highly Lorentz-boosted objects at sqrt(s) = 13 TeV /CMS Collaboration
A search for supersymmetry in final states with highly Lorentz-boosted top quarks, $\mathrm{W}$, $\mathrm{Z}$, Higgs bosons, or leptonic jets is presented. The search is based on proton-proton collision data at a center-of-mass energy of $\sqrt{s}=13~\mathrm{TeV}$, collected by the CMS experiment at CERN LHC during 2016, 2017, and 2018, corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-SUS-23-014.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_001-d: PDF; Figure_001-e: PDF; Figure_001-f: 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_003-e: PDF; Figure_003-f: PDF; Figure_003-g: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_004-c: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_007-c: PDF; Figure_007-d: PDF; Figure_007-e: PDF; Figure_007-f: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-05-19
17:11
Search for light pseudoscalar a bosons in $\mathrm{H\to a a \to 4 e}$ decays in pp collisions at $\sqrt{s}$ = 13 TeV /CMS Collaboration
% A search for pairs of neutral resonances resulting from the decay of a Higgs boson is performed, using proton-proton collision data at $\sqrt{s} = 13~\mathrm{TeV}$, corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. The search is conducted for sub-GeV mass resonances which decay into electron-positron pairs. [...]
CMS-PAS-EXO-24-031.- 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: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-05-18
10:54
Search for Higgs boson production at high transverse momentum in the WW* decay channel in proton-proton collisions at $\sqrt{s}$ = 13 TeV /CMS Collaboration
A search for Higgs boson production at high transverse momentum in the $\mathrm{WW^{*}}$ decay channel is presented. The analysis uses proton-proton collision data collected with the CMS detector at $\sqrt{s} = 13~\mathrm{TeV}$ during the years 2016--2018, corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$. [...]
CMS-PAS-HIG-24-008.- Geneva : CERN, 2025 Figure_001: PNG; 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; Figure_005-c: PDF; Figure_005-d: 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_007: PDF; Figure_008: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-05-17
15:32
Search for single production of a vector-like T quark decaying to a top quark and a neutral scalar boson in lepton+jets final states at sqrt(s) = 13 TeV /CMS Collaboration
A search for single production of a vector-like T quark with charge $2/3\,e$, in the decay channel with a top quark and a neutral scalar boson $\phi$ is presented. The $\phi$ boson can be a standard model Higgs boson or a new particle beyond the standard model. [...]
CMS-PAS-B2G-23-009.- 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_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: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_007-c: PDF; Figure_007-d: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_008-c: PDF; Figure_008-d: PDF; Figure_008-e: PDF; Figure_009: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-05-16
11:28
Observation of tWZ production at the CMS experiment /CMS Collaboration
The first observation is reported of single top quark production in association with a W and a Z boson in proton-proton collisions. The analysis uses data at center-of-mass energies of 13 and 13.6 TeV recorded with the CMS detector at the CERN LHC, corresponding to a total integrated luminosity of 200 fb$^{-1}$. [...]
CMS-PAS-TOP-24-009.- 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_003-c: PDF; Figure_004: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-05-14
23:05
Search for Higgsinos in final states with low-momentum lepton-track pairs at 13 TeV /CMS Collaboration
A search for the pair production of Higgsinos in final states with large missing transverse momentum and either two reconstructed muons or a reconstructed lepton (muon or electron) and an isolated track is presented. The analyzed data are proton-proton collisions with an integrated luminosity of 138 fb$^{-1}$ collected by the CMS experiment in proton-proton collisions at $\sqrt{s} = 13~\mathrm{TeV}$. [...]
CMS-PAS-SUS-24-003.- 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_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: PDF; Figure_007: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée
2025-05-14
23:05
Exploring the origin of D0 meson elliptic flow in PbPb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV using event shape engineering /CMS Collaboration
The effect of the initial collision geometry on the elliptic flow ($v_2$) in events with prompt $\mathrm{D^0}$ mesons produced in $\text{PbPb}$ collisions at $\sqrt{\smash[b]{s_{_{\mathrm{NN}}}}}=5.02\,\text{TeV}$ is studied using data from the CMS experiment. Using an event-shape engineering technique, initial-state eccentricities within a given centrality range are systematically varied. [...]
CMS-PAS-HIN-24-015.- Geneva : CERN, 2025 Figure_001-a: PDF; Figure_001-b: PDF; Figure_001-c: PDF; Figure_001-d: 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_006-c: PDF; Figure_006-d: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_007-c: PDF; Figure_007-d: PDF; Fulltext in PDF: PDF; External link: Additional information for the analysis (restricted access)

Notice détaillée