Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/9612
Title: Search for Higgs Boson Pair Production in the Gamma Gamma B(b)over-Bar Final State Using Pp Collision Data at Root S=8 Tev From the Atlas Detector
Authors: Aad, G.
Abbott, B.
Abdallah, J.
Khalek, S. Abdel
Abdinov, O.
Aben, R.
Adelman, J.
Publisher: Amer Physical Soc
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.
URI: https://doi.org/10.1103/PhysRevLett.114.081802
https://hdl.handle.net/20.500.11851/9612
ISSN: 0031-9007
1079-7114
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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