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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
Bðt → HuÞ and 0.073% (0.051%) for Bðt → HcÞ. These are the strictest upper limits yet determined.
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
Bðt → HuÞ and 0.073% (0.051%) for Bðt → HcÞ. These are the strictest upper limits yet determined.
Datum van beschikbaarheid | 24 nov 2022 |
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Uitgever | HEPData |
Format
- Format
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iBOF/23/074: Ontsluiten van de charm-Higgs koppeling bij de LHC
D'Hondt, J., Lowette, S., Van Mechelen, P. & Dobur, D.
1/01/23 → 31/12/26
Project: Fundamenteel
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Onderzoekersoutput
- 1 Article
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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 s =13 TeV
CMS Collaboration, 15 jul 2022, In: Phys. Rev. Lett.. 129, 3, 20 blz., 032001.Onderzoeksoutput: Article › peer review
Open AccessBestand21 Citaten (Scopus)34 Downloads (Pure)