Search for nonstandard higgs bosons using high mass photon pairs in p¯p→γγ+2 jets at √s=1.8TeV

D0 Collaboration

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

A search has been carried out for events in the channel p¯p→γγ+2 Such a signature can characterize the production of a nonstandard Higgs boson together with a W or Z boson. We refer to this nonstandard Higgs, having standard model couplings to vector bosons but no coupling to fermions, as a “bosonic Higgs.” With the requirement of two high transverse energy photons and two jets, the diphoton mass (mγγ) distribution is consistent with expected background. A 90 (95)% confidence level (C.L.) upper limit on the cross section as a function of mass is calculated, ranging from 0.60 (0.80) pb for mγγ =65GeV/c2 to 0.26 (0.34) pb for mγγ=150GeV/c2, corresponding to a 95% C.L. lower limit on the mass of a bosonic Higgs of 78.5GeV/c2.

Original languageEnglish (US)
Pages (from-to)2244-2249
Number of pages6
JournalPhysical review letters
Volume82
Issue number11
DOIs
StatePublished - 1999

ASJC Scopus subject areas

  • General Physics and Astronomy

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