Search for Higgs and Z Boson Decays to J/ψγ and (nS)γ with the ATLAS Detector

Atlas Collaboration

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Abstract

A search for the decays of the Higgs and Z bosons to J/ψγ and γ(nS)γ (n=1,2,3) is performed with pp collision data samples corresponding to integrated luminosities of up to 20.3 fb-1 collected at s=8 TeV with the ATLAS detector at the CERN Large Hadron Collider. No significant excess of events is observed above expected backgrounds and 95% C.L. upper limits are placed on the branching fractions. In the J/ψγ final state the limits are 1.5×10-3 and 2.6×10-6 for the Higgs and Z boson decays, respectively, while in the γ(1S,2S,3S)γ final states the limits are (1.3,1.9,1.3)×10-3 and (3.4,6.5,5.4)×10-6, respectively.

Original languageEnglish (US)
Article number121801
Pages (from-to)1DUMMY
JournalPhysical review letters
Volume114
Issue number12
DOIs
StatePublished - Mar 26 2015

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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