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  4. Search for the Higgs boson decaying to two muons in proton-proton collisions at $\sqrt{s} =$ 13 TeV
 
research article

Search for the Higgs boson decaying to two muons in proton-proton collisions at $\sqrt{s} =$ 13 TeV

Sirunyan, Albert M.
•
Tumasyan, Armen
•
Adam, Wolfgang
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January 15, 2019
Physical Review Letters

A search for the Higgs boson decaying to two oppositely charged muons is presented using data recorded by the CMS experiment at the CERN LHC in 2016 at a center-of-mass energy s=13  TeV, corresponding to an integrated luminosity of 35.9  fb-1. Data are found to be compatible with the predicted background. For a Higgs boson with a mass of 125.09 GeV, the 95% confidence level observed (background-only expected) upper limit on the production cross section times the branching fraction to a pair of muons is found to be 3.0 (2.5) times the standard model expectation. In combination with data recorded at center-of-mass energies s=7 and 8 TeV, the background-only expected upper limit improves to 2.2 times the standard model value with a standard model expected significance of 1.0 standard deviation. The corresponding observed upper limit is 2.9 with an observed significance of 0.9 standard deviation. This corresponds to an observed upper limit on the standard model Higgs boson branching fraction to muons of 6.4×10-4 and to an observed signal strength of 1.0±1.0(stat)±0.1(syst).

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Type
research article
DOI
10.1103/PhysRevLett.122.021801
ArXiv ID

1807.06325

Author(s)
Sirunyan, Albert M.
Tumasyan, Armen
Adam, Wolfgang
Ambrogi, Federico
Asilar, Ece
Bergauer, Thomas
Brandstetter, Johannes
Brondolin, Erica
Dragicevic, Marko
Erö, Janos
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Date Issued

2019-01-15

Published in
Physical Review Letters
Volume

122

Issue

2

Article Number

021801

Subjects

p p: colliding beams

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Higgs particle: hadroproduction

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Higgs particle: leptonic decay

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muon: pair production

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Higgs particle: branching ratio: upper limit

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p p: scattering

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mass spectrum: (muon+ muon-)

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CERN LHC Coll

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background

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channel cross section: branching ratio: upper limit

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CERN Lab

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CMS

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experimental results

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13000 GeV-cms

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
LPHE  
Available on Infoscience
February 17, 2020
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/166171
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