Search
Results
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Measurement of the production cross section of a Higgs boson with large transverse momentum in its decays to a pair of τ leptons in proton-proton collisions at √s = 13TeV
(2024)Physics Letters BA measurement of the production cross section of a Higgs boson with transverse momentum greater than 250 GeV is presented where the Higgs boson decays to a pair of τ leptons. It is based on proton-proton collision data collected by the CMS experiment at the CERN LHC at a center-of-mass energy of 13 TeV. The data sample corresponds to an integrated luminosity of 138 fb⁻¹. Because of the large transverse momentum of the Higgs boson the τ ...Journal Article -
Measurement of Energy Correlators inside Jets and Determination of the Strong Coupling α_s(m_Z)
(2024)Physical Review LettersEnergy correlators that describe energy-weighted distances between two or three particles in a hadronic jet are measured using an event sample of √s = 13 TeV proton-proton collisions collected by the CMS experiment and corresponding to an integrated luminosity of 36.3 fb⁻¹. The measured distributions are consistent with the trends in the simulation that reveal two key features of the strong interaction: confinement and asymptotic freedom. ...Journal Article -
Measurement of multijet azimuthal correlations and determination of the strong coupling in proton-proton collisions at √s = 13 TeV
(2024)The European Physical Journal CA measurement is presented of a ratio observable that provides a measure of the azimuthal correlations among jets with large transverse momentum p_T. This observable is measured in multijet events over the range of p_T = 360–3170 GeV based on data collected by the CMS experiment in proton-proton collisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 134 fb⁻¹. The results are compared with predictions ...Journal Article -
Search for long-lived particles decaying in the CMS muon detectors in proton-proton collisions at √s = 13 TeV
(2024)Physical Review DA search for long-lived particles (LLPs) decaying in the CMS muon detectors is presented. A data sample of proton-proton collisions at √s = 13 TeV corresponding to an integrated luminosity of 138 fb⁻¹, recorded at the LHC in 2016–2018, is used. The decays of LLPs are reconstructed as high multiplicity clusters of hits in the muon detectors. In the context of twin Higgs models, the search is sensitive to LLP masses from 0.4 to 55 GeV and ...Journal Article -
Observation of the ϒ(3S) Meson and Suppression of ϒ States in Pb-Pb Collisions at √sNN = 5.02 TeV
(2024)Physical Review LettersThe production of ϒ(2S) and ϒ(3S) mesons in lead-lead (Pb-Pb) and proton-proton (pp) collisions is studied in their dimuon decay channel using the CMS detector at the LHC. The ϒ(3S) meson is observed for the first time in Pb-Pb collisions, with a significance above 5 standard deviations. The ratios of yields measured in Pb-Pb and pp collisions are reported for both the ϒ(2S) and ϒ(3S) mesons, as functions of transverse momentum and Pb-Pb ...Journal Article -
Search for Narrow Trijet Resonances in Proton-Proton Collisions at Formula Presented
(2024)Physical Review LettersThe first search for singly produced narrow resonances decaying to three well-separated hadronic jets is presented. The search uses proton-proton collision data corresponding to an integrated luminosity of 138 fb⁻¹ at √s = 13 TeV, collected at the CERN LHC. No significant deviations from the background predictions are observed between 1.75 and 9.00 TeV. The results provide the first mass limits on a right-handed boson Z_R decaying to ...Journal Article -
Search for ZZ and ZH production in the bbbb final state using proton-proton collisions at √s = 13 TeV
(2024)The European Physical Journal CA search for ZZ and ZH production in the bb¯bb¯ final state is presented, where H is the standard model (SM) Higgs boson. The search uses an event sample of proton-proton collisions corresponding to an integrated luminosity of 133fb-1 collected at a center-of-mass energy of 13TeV with the CMS detector at the CERN LHC. The analysis introduces several novel techniques for deriving and validating a multi-dimensional background model based ...Journal Article -
Observation of the Ξ⁻b→ψ(2S)Ξ− decay and studies of the Ξb(5945)⁰ baryon in proton-proton collisions at √s = 13 TeV
(2024)Physical Review DThe first observation of the decay Ξ⁻b → ψ(2S)Ξ⁻ and measurement of the branching ratio of Ξ⁻b → ψ(2S)Ξ⁻ to Ξ⁻b → J/ψΞ⁻ are presented. The J/ψ and ψ(2S) mesons are reconstructed using their dimuon decay modes. The results are based on proton-proton colliding beam data from the LHC collected by the CMS experiment at √s = 13 TeV in 2016–2018, corresponding to an integrated luminosity of 140 fb⁻¹. The branching fraction ratio is measured ...Journal Article -
Search for high-mass exclusive diphoton production with tagged protons in proton-proton collisions at √s = 13 TeV
(2024)Physical Review DA search is presented for high-mass exclusive diphoton production via photon-photon fusion in proton-proton collisions at √s = 13 TeV in events where both protons survive the interaction. The analysis utilizes data corresponding to an integrated luminosity of 103 fb⁻¹ collected in 2016–2018 with the central CMS detector and the CMS and TOTEM precision proton spectrometer (PPS). Events that have two photons with high transverse momenta ...Journal Article -
Search for a scalar or pseudoscalar dilepton resonance produced in association with a massive vector boson or top quark-antiquark ffiffi pair in multilepton events at √s = 13 TeV
(2024)Physical Review DA search for beyond the standard model spin-0 bosons, Φ, that decay into pairs of electrons, muons, or tau leptons is presented. The search targets the associated production of such bosons with a W or Z gauge boson, or a top quark-antiquark pair, and uses events with three or four charged leptons, including hadronically decaying tau leptons. The proton-proton collision data set used in the analysis was collected at the LHC from 2016 to ...Journal Article