Search for long-lived particles decaying in the CMS endcap muon detectors in proton-proton collisions at $\sqrt{s} = $ 13 TeV
Copyright policy )10.3204/pubdb-2022-00238 , 10.18154/rwth-2022-01640 , 10.18154/rwth-2022-01524 , 10.5445/ir/1000142676 , 10.3204/pubdb-2021-03382 , 10.48550/arxiv.2107.04838
10281/453728 , 10446/211915 , 11365/1283235 , 10067/1865580151162165141 , 11449/234044 , 10831/111008 , 11577/3456958 , 11573/1623034 , 11584/344226 , 11567/1075938 , 11568/1134034 , 11589/277220 , 11384/140585 , 11585/862355 , 20.500.11769/526885 , 2158/1262200 , 1854/LU-8754189 , 2318/1840722 , 10044/1/93606 , 11563/158852 , 11571/1477263 , 11579/134673 , 11586/467142
10.3204/pubdb-2022-00238 , 10.18154/rwth-2022-01640 , 10.18154/rwth-2022-01524 , 10.5445/ir/1000142676 , 10.3204/pubdb-2021-03382 , 10.48550/arxiv.2107.04838
10281/453728 , 10446/211915 , 11365/1283235 , 10067/1865580151162165141 , 11449/234044 , 10831/111008 , 11577/3456958 , 11573/1623034 , 11584/344226 , 11567/1075938 , 11568/1134034 , 11589/277220 , 11384/140585 , 11585/862355 , 20.500.11769/526885 , 2158/1262200 , 1854/LU-8754189 , 2318/1840722 , 10044/1/93606 , 11563/158852 , 11571/1477263 , 11579/134673 , 11586/467142
Search for long-lived particles decaying in the CMS endcap muon detectors in proton-proton collisions at $\sqrt{s} = $ 13 TeV
A search for long-lived particles (LLPs) produced in decays of standard model (SM) Higgs bosons is presented. The data sample consists of 137 fb$^{-1}$ of proton-proton collisions at $\sqrt{s} =$ 13 TeV, recorded at the LHC in 2016-2018. A novel technique is employed to reconstruct decays of LLPs in the endcap muon detectors. The search is sensitive to a broad range of LLP decay modes and to masses as low as a few GeV. No excess of events above the SM background is observed. The most stringent limits to date on the branching fraction of the Higgs boson to LLPs subsequently decaying to quarks and $\tau^+\tau^-$ are found for proper decay lengths greater than 6, 20, and 40 m, for LLP masses of 7, 15, and 40 GeV, respectively.
Physical review letters 127(26), 261804 (2021). doi:10.1103/PhysRevLett.127.261804
Published by APS, College Park, Md.
- Erciyes University Turkey
- Joint Institute for Nuclear Research Russian Federation
- Institute of Nuclear physics of Lyon France
- University of Florida United States
- Johns Hopkins University United States
CMS experiment, 550, 13000 GeV-cms, General Physics and Astronomy, Tau leptons, 09 Engineering, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), LHC,CMS,LLP, neutral particle: pair production, Charged particles; Data sample; Decay mode; End caps; Muon detectors; Novel techniques; Particle decay; Proton proton collisions; Standard-model Higgs bosons; Stringents; The standard model; Tau leptons; Hadron colliders, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], neutral particle: long-lived, info:eu-repo/classification/ddc/530, SUPERSYMMETRY, Hadron-Hadron scattering (experiments), long-lived particles, 02 Physical Sciences, hadron colliders, tau: pair production, CMS, Physics, ddc:530, Higgs particle: rare decay, CERN LHC Coll, Higgs particle: branching ratio: upper limit, CMS Collaboration, decay: exotic, General Physics, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], particles and fields, mass: lower limit, PARTICLE PHYSICS, CMS, LHC, FOS: Physical sciences, 530, 01 Mathematical Sciences, neutral particle: leptonic decay, BSM physics; Long-Lived Particles, hep-ex, background, muon: detector, decay: length, 500, HIGGS, 620, Physics and Astronomy, neutral particle: decay modes, SUPERSYMMETRY; HIGGS, neutral particle: mass, p p: colliding beams, experimental results
CMS experiment, 550, 13000 GeV-cms, General Physics and Astronomy, Tau leptons, 09 Engineering, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), LHC,CMS,LLP, neutral particle: pair production, Charged particles; Data sample; Decay mode; End caps; Muon detectors; Novel techniques; Particle decay; Proton proton collisions; Standard-model Higgs bosons; Stringents; The standard model; Tau leptons; Hadron colliders, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], neutral particle: long-lived, info:eu-repo/classification/ddc/530, SUPERSYMMETRY, Hadron-Hadron scattering (experiments), long-lived particles, 02 Physical Sciences, hadron colliders, tau: pair production, CMS, Physics, ddc:530, Higgs particle: rare decay, CERN LHC Coll, Higgs particle: branching ratio: upper limit, CMS Collaboration, decay: exotic, General Physics, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], particles and fields, mass: lower limit, PARTICLE PHYSICS, CMS, LHC, FOS: Physical sciences, 530, 01 Mathematical Sciences, neutral particle: leptonic decay, BSM physics; Long-Lived Particles, hep-ex, background, muon: detector, decay: length, 500, HIGGS, 620, Physics and Astronomy, neutral particle: decay modes, SUPERSYMMETRY; HIGGS, neutral particle: mass, p p: colliding beams, experimental results
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