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Searches for exclusive Higgs and Z boson decays into J/??,?(2S)?,and ?(nS)? at vs=13 TeV with the ATLAS detector
journal contribution
posted on 2023-06-09, 15:51 authored by N L Abraham, Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, C Chavez Barajas, Antonella De SantoAntonella De Santo, Samuel Jones, G Lerner, F Miano, I Santoyo Castillo, Fabrizio SalvatoreFabrizio Salvatore, Kate ShawKate Shaw, Thomas StevensonThomas Stevenson, K Suruliz, Mark SuttonMark Sutton, F Tresoldi, Fabrizio Trovato, Iacopo Vivarelli, E Winkels, O J Winston, The ATLAS Collaboration, othersSearches for the exclusive decays of the Higgs and Z bosons into a J/?,?(2S), or ?(nS)(n=1,2,3) meson and a photon are performed with a pp collision data sample corresponding to an integrated luminosity of 36.1 fb -1 collected at vs =13 TeV with the ATLAS detector at the CERN Large Hadron Collider. No significant excess of events is observed above the expected backgrounds, and 95% confidence-level upper limits on the branching fractions of the Higgs boson decays to J/??, ?(2S)?,and ?(nS)? of 3.5×10 -4, 2.0×10-3,and(4.9,5.9,5.7)×10 -4,respectively, are obtained assuming Standard Model production. The corresponding 95% confidence-level upper limits for the branching fractions of the Z boson decays are 2.3×10 -6, 4.5×10 -6 and (2.8,1.7,4.8)×10 -6, respectively.
History
Publication status
- Published
File Version
- Published version
Journal
Physics Letters BISSN
0370-2693Publisher
ElsevierExternal DOI
Volume
786Page range
134-155Department affiliated with
- Physics and Astronomy Publications
Research groups affiliated with
- Experimental Particle Physics Research Group Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2018-11-13First Open Access (FOA) Date
2018-11-13First Compliant Deposit (FCD) Date
2018-11-09Usage metrics
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