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 journalArticle

38 Citations (Scopus)

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 - Jan 1 1999

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Higgs bosons
confidence
bosons
photons
mass distribution
fermions
signatures
requirements
cross sections
energy

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  • Physics and Astronomy(all)

Cite this

Search for nonstandard higgs bosons using high mass photon pairs in p¯p→γγ+2 jets at √s=1.8TeV. / D0 Collaboration.

In: Physical Review Letters, Vol. 82, No. 11, 01.01.1999, p. 2244-2249.

Research output: Contribution to journalArticle

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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.",
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AU - Abramov, V.

AU - Acharya, B. S.

AU - Adam, I.

AU - Adams, D. L.

AU - Adams, M.

AU - Ahn, S.

AU - Alves, G. A.

AU - Amos, N.

AU - Anderson, E. W.

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AU - Babukhadia, L.

AU - Baden, A.

AU - Baldin, B.

AU - Banerjee, S.

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AU - Barberis, E.

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AU - Bartlett, J. F.

AU - Belyaev, A.

AU - Beri, S. B.

AU - Bertram, I.

AU - Bezzubov, V. A.

AU - Bhat, P. C.

AU - Bhatnagar, V.

AU - Bhattacharjee, M.

AU - Biswas, N.

AU - Blazey, G.

AU - Blessing, S.

AU - Bloom, P.

AU - Boehnlein, A.

AU - Bojko, N. I.

AU - Borcherding, F.

AU - Boswell, C.

AU - Brandt, A.

AU - Breedon, R.

AU - Briskin, G.

AU - Brock, R.

AU - Bross, A.

AU - Buchholz, D.

AU - Burtovoi, V. S.

AU - Butler, J. M.

AU - Carvalho, W.

AU - Casey, D.

AU - Johns, Kenneth A

AU - Rutherfoord, John P

AU - Shupe, Michael A

AU - Varnes, Erich W

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AB - 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.

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