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  5. Search for the lepton-flavor violating decay of the Higgs boson and additional Higgs bosons in the eμ final state in proton-proton collisions at √s = 13 TeV
 
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Search for the lepton-flavor violating decay of the Higgs boson and additional Higgs bosons in the eμ final state in proton-proton collisions at √s = 13 TeV
File(s)
PhysRevD.108.072004.pdf (18.68 MB)
Published version
Author(s)
Hayrapetyan, A
Tumasyan, A
Adam, W
Andrejkovic, JW
Bergauer, T
more
Type
Journal Article
Abstract
A search for the lepton-flavor violating decay of the Higgs boson and potential additional Higgs bosons with a mass in the range 110–160 GeV to an 𝑒±⁢𝜇∓ pair is presented. The search is performed with a proton-proton collision dataset at a center-of-mass energy of 13 TeV collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 138  fb−1. No excess is observed for the Higgs boson. The observed (expected) upper limit on the 𝑒±⁢𝜇∓ branching fraction for it is determined to be 4.4⁢(4.7) ×10−5 at 95% confidence level, the most stringent limit set thus far from direct searches. The largest excess of events over the expected background in the full mass range of the search is observed at an 𝑒±⁢𝜇∓ invariant mass of approximately 146 GeV with a local (global) significance of 3.8 (2.8) standard deviations.
Date Issued
2023-10-10
Date Acceptance
2025-08-25
Citation
Physical Review D: Particles, Fields, Gravitation and Cosmology, 2023, 108 (7)
URI
http://hdl.handle.net/10044/1/116719
DOI
https://www.dx.doi.org/10.1103/PhysRevD.108.072004
ISSN
1550-2368
Publisher
American Physical Society
Journal / Book Title
Physical Review D: Particles, Fields, Gravitation and Cosmology
Volume
108
Issue
7
Copyright Statement
© 2023 CERN, for the CMS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
License URL
https://creativecommons.org/licenses/by/4.0/
Subjects
Astronomy & Astrophysics
NONCONSERVATION
Physical Sciences
Physics
Physics, Particles & Fields
Science & Technology
Publication Status
Published
Article Number
ARTN 072004
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