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Search for nonstandard Higgs bosons using high mass photon pairs in p(p)over-bar ->gamma gamma+2 jets at root s=1.8 TeV
Baringer, Philip S. Coppage, Don Hebert, C.
Baringer, Philip S.
Coppage, Don
Hebert, C.
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Abstract
A search has been carried out for events in the channel p(p)over-bar --> gamma gamma + 2 jets. 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 (m(gamma gamma)) 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 m(gamma gamma) = 65 GeV/c(2) to 0.26 (0.34) pb for m(gamma gamma) = 150 GeV/c(2), corresponding to a 95% C.L. lower limit on the mass of a bosonic Higgs of 78.5 GeV/c(2).
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1999-03
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AMERICAN PHYSICAL SOC
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p2244_1.pdf
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Abbott, B; Abolins, M, et al. Search for nonstandard Higgs bosons using high mass photon pairs in p(p)over-bar ->gamma gamma+2 jets at root s=1.8 TeV. PHYSICAL REVIEW LETTERS. March 1999. 82(11) : 2244-2249