Title
Search for diphoton resonances in the mass range from 150 to 850 GeV in pp collisions at <tex>$\sqrt{s}$</tex>=8 TeV Search for diphoton resonances in the mass range from 150 to 850 GeV in pp collisions at <tex>$\sqrt{s}$</tex>=8 TeV
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Amsterdam ,
Subject
Physics
Source (journal)
Physics letters: B. - Amsterdam, 1967, currens
Volume/pages
750(2015) , p. 494-519
ISSN
0370-2693
ISI
000364250600078
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Results are presented of a search for heavy particles decaying into two photons. The analysis is based on a 19.7 fb(-1) sample of proton-proton collisions at root s = 8 TeV collected with the CMS detector at the CERN LHC. The diphoton mass spectrum from 150 to 850 GeV is used to search for an excess of events over the background. The search is extended to new resonances with natural widths of up to 10% of the mass value. No evidence for new particle production is observed and limits at 95% confidence level on the production cross section times branching fraction to diphotons are determined. These limits are interpreted in terms of two-Higgs-doublet model parameters. (C) 2015 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V.
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Full text (open access)
https://repository.uantwerpen.be/docman/irua/e1d1fb/130271.pdf
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