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Search for Higgs Boson Pair Production in the γγb b ̄ Final State Using pp Collision Data at √s = 8 TeV from the ATLAS Detector

Aad, G.
•
Abbott, B.
•
Abdallah, J.
altro
Zwalinski, L.
2015
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
Searches are performed for resonant and nonresonant Higgs boson pair production in the gamma gamma b (b) over bar final state using 20 fb(-1) of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the CERN Large Hadron Collider. A 95% confidence level upper limit on the cross section times branching ratio of nonresonant production is set at 2.2 pb, while the expected limit is 1.0 pb. The difference derives from a modest excess of events, corresponding to 2.4 standard deviations from the background-only hypothesis. The limit observed in the search for a narrow X -> hh resonance ranges between 0.7 and 3.5 pb as a function of the resonance mass.
DOI
10.1103/PhysRevLett.114.081802
WOS
WOS:000350210600004
Archivio
http://hdl.handle.net/11390/1097326
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84924362886
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84924362886&partnerID=40&md5=c06f4ed66af95e07832da6ca57ebfef5
Diritti
metadata only access
Soggetti
  • Physics and Astronomy...

Scopus© citazioni
124
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
39
Data di acquisizione
Mar 13, 2024
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