Search for Higgs boson pair production in the b(b)over-barb(b)over-bar final state from pp collisions at root s=8 TeVwith the ATLAS detector
AuthorAad, G; Abbott, B; Abdallah, J; Abdinov, O; Aben, R; Abolins, M; AbouZeid, OS; Abramowicz, H; Abreu, H; Abreu, R; ...
Source TitleEuropean Physical Journal C: Particles and Fields
University of Melbourne Author/sNuti, Francesco; Milesi, Marco; ZANZI, DANIELE; Jennens, David; Dawe, Edmund; Brennan, Amelia; Kubota, Takashi; Urquijo, Phillip; Taylor, Geoffrey; TAN, KONG GUAN; ...
AffiliationSchool of Physics
Document TypeJournal Article
CitationsAad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adamczyk, L., Adams, D. L., Adelman, J., Adomeit, S., Adye, T., Affolder, A. A., Agatonovic-Jovin, T. ,... Zwalinski, L. (2015). Search for Higgs boson pair production in the b(b)over-barb(b)over-bar final state from pp collisions at root s=8 TeVwith the ATLAS detector. EUROPEAN PHYSICAL JOURNAL C, 75 (9), https://doi.org/10.1140/epjc/s10052-015-3628-x.
Access StatusOpen Access
A search for Higgs boson pair production [Formula: see text] is performed with 19.5 fb[Formula: see text] of proton-proton collision data at [Formula: see text] TeV, which were recorded by the ATLAS detector at the Large Hadron Collider in 2012. The decay products of each Higgs boson are reconstructed as a high-momentum [Formula: see text] system with either a pair of small-radius jets or a single large-radius jet, the latter exploiting jet substructure techniques and associated b-tagged track-jets. No evidence for resonant or non-resonant Higgs boson pair production is observed. The data are interpreted in the context of the Randall-Sundrum model with a warped extra dimension as well as the two-Higgs-doublet model. An upper limit on the cross-section for [Formula: see text] of 3.2 (2.3) fb is set for a Kaluza-Klein graviton [Formula: see text] mass of 1.0 (1.5) TeV, at the 95 % confidence level. The search for non-resonant Standard Model hh production sets an observed 95 % confidence level upper limit on the production cross-section [Formula: see text] of 202 fb, compared to a Standard Model prediction of [Formula: see text] fb.
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