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Search for Higgs boson decays to a photon and a Z boson in pp collisions at root s=7 and 8 TeV with the ATLAS detector

Aad, G.
•
Abajyan, T.
•
Abbott, B.
altro
GIORDANI, Mario
2014
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
A search is reported for a neutral Higgs boson in the decay channel H→Zγ, Z→l +l -(l = e, μ), using 4.5 fb-1of pp collisions at s=7 TeV and 20.3 fb-1of pp collisions at s=8 TeV, recorded by the ATLAS detector at the CERN Large Hadron Collider. The observed distribution of the invariant mass of the three final-state particles,mllγ, is consistent with the Standard Model hypothesis in the investigated mass range of 120-150 GeV. For a Higgs boson with a mass of 125.5 GeV, the observed upper limit at the 95% confidence level is 11 times the Standard Model expectation. Upper limits are set on the cross section times branching ratio of a neutral Higgs boson with mass in the range 120-150 GeV between 0.13 and 0.5 pb for s=8 TeV at 95% confidence level.
DOI
10.1016/j.physletb.2014.03.015
WOS
WOS:000335307900002
Archivio
http://hdl.handle.net/11390/1109865
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84896477696
Diritti
metadata only access
Scopus© citazioni
76
Data di acquisizione
Jun 2, 2022
Vedi dettagli
Web of Science© citazioni
82
Data di acquisizione
Mar 21, 2024
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