Search for a Higgs boson in diphoton final states with the D0 detector in 9.6 fb-1 of p-pbar collisions at sqrt(s)=1.96 TeV

Collaboration, D0 and Bertram, Iain and Borissov, Guennadi and Fox, Harald and Ratoff, Peter (2013) Search for a Higgs boson in diphoton final states with the D0 detector in 9.6 fb-1 of p-pbar collisions at sqrt(s)=1.96 TeV. Physical Review D, 88 (5). ISSN 1550-7998

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Abstract

We present a search for a Higgs boson decaying into a pair of photons based on 9.6 fb-1 of p-pbar collisions at sqrt(s)=1.96 TeV collected with the D0 detector at the Fermilab Tevatron Collider. The search employs multivariate techniques to discriminate signal from the non-resonant background and is separately optimized for a standard model and a fermiophobic Higgs boson. No significant excess of data above the background prediction is observed and upper limits on the product of the cross section and branching fraction are derived at the 95% confidence level as a function of Higgs boson mass. For a standard model Higgs boson with mass of 125 GeV, the observed (expected) upper limits are a factor of 12.8 (8.7) above the standard model prediction. The existence of a fermiophobic Higgs boson with mass in the 100-113 GeV range is excluded at the 95% confidence level.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review D
Additional Information:
© 2013 American Physical Society 16 pages, 13 figures, 4 tables
Subjects:
ID Code:
67104
Deposited By:
Deposited On:
11 Oct 2013 09:59
Refereed?:
Yes
Published?:
Published
Last Modified:
09 Jul 2020 03:06