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Type: Journal article
Title: Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector
Author: ATLAS Collaboration,
Citation: European Physical Journal C: Particles and Fields, 2012; 72(9):2157-1-2157-18
Publisher: Springer Verlag (Germany)
Issue Date: 2012
ISSN: 1434-6052
Statement of
The ATLAS Collaboration
Abstract: A search for a fermiophobic Higgs boson using diphoton events produced in proton-proton collisions at a centre-of-mass energy of √s = 7 TeV is performed using data corresponding to an integrated luminosity of 4.9 fb−1 collected by the ATLAS experiment at the Large Hadron Collider. A specific benchmark model is considered where all the fermion couplings to the Higgs boson are set to zero and the bosonic couplings are kept at the Standard Model values (fermiophobic Higgs model). The largest excess with respect to the background-only hypothesis is found at 125.5 GeV, with a local significance of 2.9 standard deviations, which reduces to 1.6 standard deviations when taking into account the look-elsewhere effect. The data exclude the fermiophobic Higgs model in the ranges 110.0– 118.0 GeV and 119.5–121.0 GeV at 95 % confidence level.
Description: University of Adelaide Authors: JACKSON, Paul D; LEE-JR, Lawrence; WHITE, Martin
Rights: © CERN for the benefit of the ATLAS collaboration 2012. Open Access: This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
DOI: 10.1140/epjc/s10052-012-2157-0
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