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Search for exclusive Higgs and Z boson decays to f? and ?? with the ATLAS detector

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journal contribution
posted on 2023-06-09, 15:47 authored by The ATLAS Collaboration, N L Abraham, Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, C A Chavez Barajas, Antonella De SantoAntonella De Santo, Samuel Jones, G Lerner, F Miano, Fabrizio SalvatoreFabrizio Salvatore, I Santoyo Castillo, C Y Shehu, Kate ShawKate Shaw, Thomas StevensonThomas Stevenson, K Suruliz, Mark SuttonMark Sutton, Fabio Tresoldi, Iacopo Vivarelli, E Winkels, O J Winston, others
A search for the exclusive decays of the Higgs and Z bosons to a f or ? meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of up to 35.6 fb -1 collected at s v =13 TeV with the ATLAS detector at the CERN Large Hadron Collider. These decays have been suggested as a probe of the Higgs boson couplings to light quarks. No significant excess of events is observed above the background, as expected from the Standard Model. Upper limits at 95% confidence level were obtained on the branching fractions of the Higgs boson decays to f? and ?? of 4.8×10 -4 and 8.8×10 -4, respectively. The corresponding 95% confidence level upper limits for the Z boson decays are 0.9×10 -6 and 25×10 -6 for f? and ??, respectively.

History

Publication status

  • Published

File Version

  • Published version

Journal

Journal of High Energy Physics

ISSN

1126-6708

Publisher

Springer Verlag

Issue

127

Volume

7

Page range

1-36

Department 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

2018-11-08

First Open Access (FOA) Date

2018-11-08

First Compliant Deposit (FCD) Date

2018-11-07

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