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Search for pair production of Higgs bosons in the bbbb final state using proton-proton collisions at root s=13 TeV with the ATLAS detector
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
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Number of Authors: 2856
2016 (English)In: Physical Review D, ISSN 2470-0010, Vol. 94, no 5, 052002Article in journal (Refereed) Published
Abstract [en]

A search for Higgs-boson pair production in the bbbb final state is carried out with 3.2 fb(-1) of protonproton collision data collected at root s = 13 TeV with the ATLAS detector. The data are consistent with the estimated background and are used to set upper limits on the production cross section of Higgs-boson pairs times branching ratio to bbbb for both nonresonant and resonant production. In the case of resonant production of Kaluza-Klein gravitons within the Randall-Sundrum model, upper limits in the 24 to 91 fb range are obtained for masses between 600 and 3000 GeV, at the 95% confidence level. The production cross section times branching ratio for nonresonant Higgs-boson pairs is also constrained to be less than 1.22 pb, at the 95% confidence level.

Place, publisher, year, edition, pages
2016. Vol. 94, no 5, 052002
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-137647DOI: 10.1103/PhysRevD.94.052002ISI: 000383050400002OAI: oai:DiVA.org:su-137647DiVA: diva2:1063613
Available from: 2017-01-10 Created: 2017-01-09 Last updated: 2017-01-10Bibliographically approved

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Abulaiti, YimingÅkerstedt, HenrikÅsman, BarbroBendtz, KatarinaBertoli, GabrieleBessidskaia Bylund, OlgaBohm, ChristianClément, ChristopheCribbs, Wayne A.Hellman, StenJon-And, KerstinKlimek, PawelLundberg, OlofMilstead, David A.Moa, TorbjörnMolander, SimonPani, PriscillaPöttgen, RuthRossetti, ValerioShaikh, Nabila W.Shcherbakova, AnnaSilverstein, Samuel B.Sjölin, JörgenStrandberg, SaraUghetto, MichaëlValdes Santurio, EduardoWallängen, Veronica
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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