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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
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0003-3867-0336
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-0299-8236
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
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Number of Authors: 28562016 (English)In: PHYSICAL REVIEW D, ISSN 2470-0010, Vol. 94, no 5, article id 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
American Physical Society, 2016. Vol. 94, no 5, article id 052002
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-202420DOI: 10.1103/PhysRevD.94.052002ISI: 000383050400002Scopus ID: 2-s2.0-84993881994OAI: oai:DiVA.org:kth-202420DiVA, id: diva2:1076873
Funder
Swedish Research CouncilEU, European Research CouncilEU, FP7, Seventh Framework Programme
Note

QC 20170224

Available from: 2017-02-24 Created: 2017-02-24 Last updated: 2019-12-19Bibliographically approved

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Lund-Jensen, BengtSidebo, P. EdvinStrandberg, Jonas

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