Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/12893
Title: Search for flavor-changing neutral current interactions of the top quark and higgs boson in final states with two photons in proton-proton collisions at root s=13 TeV
Authors: Tumasyan, A.
CMS Collaboration
Keywords: Tree-Level
Decays
Standard
Pair
Publisher: Amer Physical Soc
Abstract: Proton-proton interactions resulting in final states with two photons are studied in a search for the signature of flavor-changing neutral current interactions of top quarks (t) and Higgs bosons (H). The analysis is based on data collected at a center-of-mass energy of 13 TeV with the CMS detector at the LHC, corresponding to an integrated luminosity of 137 fb(-1.) No significant excess above the background prediction is observed. Upper limits on the branching fractions (B) of the top quark decaying to a Higgs boson and an up (u) or charm (c) quark are derived through a binned fit to the diphoton invariant mass spectrum. The observed (expected) 95% confidence level upper limits are found to be 0.019% (0.031%) for B(t -> Hu) and 0.073% (0.051%) for B(t -> Hc). These are the strictest upper limits yet determined.
URI: https://doi.org/10.1103/PhysRevLett.129.032001
https://hdl.handle.net/11147/12893
ISSN: 0031-9007
1079-7114
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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