Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/123610
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dc.contributor.authorAaboud, M.en
dc.contributor.authorAad, G.en
dc.contributor.authorAbbott, B.en
dc.contributor.authorAbbott, D.en
dc.contributor.authorAbdinov, O.en
dc.contributor.authorAbeloos, B.en
dc.contributor.authorAbhayasinghe, D.en
dc.contributor.authorAbidi, S.en
dc.contributor.authorAbouZeid, O.en
dc.contributor.authorAbraham, N.en
dc.contributor.authorAbramowicz, H.en
dc.contributor.authorAbreu, H.en
dc.contributor.authorAbulaiti, Y.en
dc.contributor.authorAcharya, B.en
dc.contributor.authorAdachi, S.en
dc.contributor.authorAdam, L.en
dc.contributor.authorAdamczyk, L.en
dc.contributor.authorAdamek, L.en
dc.contributor.authorAdelman, J.en
dc.contributor.authorAdersberger, M.en
dc.contributor.authoret al.en
dc.date.issued2019en
dc.identifier.citationPhysical Review D, 2019; 99(5):052004-1en
dc.identifier.issn2470-0010en
dc.identifier.issn2470-0029en
dc.identifier.urihttp://hdl.handle.net/2440/123610-
dc.description.abstractThe fragmentation of high-energy gluons at small opening angles is largely unconstrained by present measurements. Gluon splitting to b-quark pairs is a unique probe into the properties of gluon fragmentation because identified b-tagged jets provide a proxy for the quark daughters of the initial gluon. In this study, key differential distributions related to the g→b¯b process are measured using 33  fb⁻¹ of √s=13  TeV pp collision data recorded by the ATLAS experiment at the LHC in 2016. Jets constructed from charged-particle tracks, clustered with the anti-kt jet algorithm with radius parameter R=0.2, are used to probe angular scales below the R=0.4 jet radius. The observables are unfolded to particle level in order to facilitate direct comparisons with predictions from present and future simulations. Multiple significant differences are observed between the data and parton shower Monte Carlo predictions, providing input to improve these predictions of the main source of background events in analyses involving boosted Higgs bosons decaying into b-quarks.en
dc.description.statementofresponsibilityM. Aaboud ... D. Duvnjak ... P. Jackson ... J.L. Oliver ... A. Petridis ... A. Qureshi ... A.S. Sharma ... M.J. White ... et al. [The ATLAS Collaboration]en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.rights© 2019 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP³.en
dc.titleProperties of g→ bb¯ at small opening angles in pp collisions with the ATLAS detector at √s = 13 TeVen
dc.title.alternativeProperties of g -> bb -bar at small opening angles in pp collisions with the ATLAS detector at root s = 13 TeVen
dc.typeJournal articleen
dc.identifier.rmid0030112292en
dc.identifier.doi10.1103/PhysRevD.99.052004en
dc.identifier.pubid453561-
pubs.library.collectionPhysics publicationsen
pubs.library.teamDS14en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidJackson, P. [0000-0002-0847-402X]en
Appears in Collections:Physics publications

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