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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