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Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC

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dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbbott, D. C.
dc.contributor.authorAbud, A. A.
dc.contributor.authorBelotskiy, K.
dc.contributor.authorBelyaev, N. L.
dc.contributor.authorBulekov, O.
dc.contributor.authorKurova, A.
dc.contributor.authorPonomarenko, D.
dc.contributor.authorProklova, N.
dc.contributor.authorPyatiizbyantseva, D.
dc.contributor.authorRomaniouk, A.
dc.contributor.authorSmirnov, N.
dc.contributor.authorSmirnov, S. Y.
dc.contributor.authorSmirnov, Y.
dc.contributor.authorSoldatov, E. Y.
dc.contributor.authorTimoshenko, S.
dc.contributor.authorVorobev, K.
dc.contributor.authorTikhomirov, V. O.
dc.contributor.authorБелоцкий, Константин Михайлович
dc.contributor.authorБулеков, Олег Владимирович
dc.contributor.authorКурова, Анастасия Сергеевна
dc.contributor.authorПятиизбянцева, Диана Николаевна
dc.contributor.authorРоманюк, Анатолий Самсонович
dc.contributor.authorСмирнов, Сергей Юрьевич
dc.contributor.authorСмирнов, Юрий Сергеевич
dc.contributor.authorСолдатов, Евгений Юрьевич
dc.contributor.authorТимошенко, Сергей Леонидович
dc.contributor.authorВоробьёв, Константин Александрович
dc.contributor.authorТихомиров, Владимир Олегович
dc.date.accessioned2024-11-29T11:05:49Z
dc.date.available2024-11-29T11:05:49Z
dc.date.issued2021
dc.description.abstract© 2021, The Author(s).A search is presented for new phenomena in events characterised by high jet multiplicity, no leptons (electrons or muons), and four or more jets originating from the fragmentation of b-quarks (b-jets). The search uses 139fb-1 of s = 13 TeV proton–proton collision data collected by the ATLAS experiment at the Large Hadron Collider during Run 2. The dominant Standard Model background originates from multijet production and is estimated using a data-driven technique based on an extrapolation from events with low b-jet multiplicity to the high b-jet multiplicities used in the search. No significant excess over the Standard Model expectation is observed and 95% confidence-level limits that constrain simplified models of R-parity-violating supersymmetry are determined. The exclusion limits reach 950 GeV in top-squark mass in the models considered.
dc.identifier.citationSearch for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC / Aad, G. [et al.] // European Physical Journal C. - 2021. - 81. - № 1. - 10.1140/epjc/s10052-020-08730-0
dc.identifier.doi10.1140/epjc/s10052-020-08730-0
dc.identifier.urihttps://www.doi.org/10.1140/epjc/s10052-020-08730-0
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85099078791&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000610446600001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23574
dc.relation.ispartofEuropean Physical Journal C
dc.titleSearch for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume81
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