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dc.contributor.authorAad, Georges
dc.contributor.authorAbbott, Brad
dc.contributor.authorAbbott, Dale C.
dc.contributor.authorAbdinov, Ovsat Bahram oglu
dc.contributor.authorAbed Abud, Adam
dc.contributor.authorAbeling, Kira
dc.contributor.authorAbhayasinghe, Deshan Kavishka
dc.contributor.authorAbidi, Syed Haider
dc.contributor.authorAbouZeid, Ossama Sherif Alexander
dc.contributor.authorAbraham, Nadine L.
dc.contributor.authorBjørke, Kristian
dc.contributor.authorBugge, Magnar Kopangen
dc.contributor.authorCameron, David Gordon
dc.contributor.authorCatmore, James Richard
dc.contributor.authorFeigl, Simon
dc.contributor.authorGaronne, Vincent
dc.contributor.authorGramstad, Eirik
dc.contributor.authorHellesund, Simen
dc.contributor.authorMorisbak, Vanja
dc.contributor.authorOppen, Henrik
dc.contributor.authorOuld-Saada, Farid
dc.contributor.authorPedersen, Maiken
dc.contributor.authorRead, Alexander Lincoln
dc.contributor.authorRøhne, Ole Myren
dc.contributor.authorSandaker, Heidi
dc.contributor.authorVadla, Knut Oddvar Høie
dc.contributor.authorBuanes, Trygve
dc.contributor.authorDjuvsland, Julia Isabell
dc.contributor.authorEigen, Gerald
dc.contributor.authorFomin, Nikolai
dc.contributor.authorLatour, Bertrand Pascal Christian
dc.contributor.authorLee, Graham Richard
dc.contributor.authorLipniacka, Anna
dc.contributor.authorMæland, Steffen
dc.contributor.authorStugu, Bjarne Sandvik
dc.contributor.authorTræet, Are Sivertsen
dc.contributor.authorAbramowicz, Halina
dc.contributor.authorAbreu, Henso
dc.contributor.authorAbulaiti, Yiming
dc.contributor.authorAcharya, Bobby S.
dc.contributor.authorAchkar, Baida
dc.contributor.authorAdachi, Shunsuke
dc.contributor.authorAdam, Lennart
dc.contributor.authorAdam-Bourdarios, Claire
dc.contributor.authorAdamczyk, Leszek
dc.contributor.authorAdamek, Lukas
dc.contributor.authorAdelman, Jareed
dc.contributor.authorAdersberger, Michael
dc.contributor.authorAdigüzel, Aytül
dc.contributor.authorAdorni, Sofia
dc.contributor.authorATLAS, Collaboration
dc.date.accessioned2022-02-09T16:23:12Z
dc.date.available2022-02-09T16:23:12Z
dc.date.created2021-10-13T15:45:12Z
dc.date.issued2021
dc.identifier.issn0370-2693
dc.identifier.urihttps://hdl.handle.net/11250/2978080
dc.description.abstractThe integrated fiducial cross-section and unfolded differential jet mass spectrum of high transverse momentum Z → bb decays are measured in Zγ events in proton–proton collisions at √s = 13 TeV. The data analysed were collected between 2015 and 2016 with the ATLAS detector at the Large Hadron Collider and correspond to an integrated luminosity of 36.1 fb−1. Photons are required to have a transverse momentum pT > 175 GeV. The Z → bb decay is reconstructed using a jet with pT > 200 GeV, found with the anti-kt R = 1.0 jet algorithm, and groomed to remove soft and wide-angle radiation and to mitigate contributions from the underlying event and additional proton–proton collisions. Two different but related measurements are performed using two jet grooming definitions for reconstructing the Z → bb decay: trimming and soft drop. These algorithms differ in their experimental and phenomenological implications regarding jet mass reconstruction and theoretical precision. To identify Z bosons, b-tagged R = 0.2 track-jets matched to the groomed large-R calorimeter jet are used as a proxy for the b-quarks. The signal yield is determined from fits of the data-driven background templates to the different jet mass distributions for the two grooming methods. Integrated fiducial cross-sections and unfolded jet mass spectra for each grooming method are compared with leading-order theoretical predictions. The results are found to be in good agreement with Standard Model expectations within the current statistical and systematic uncertainties.en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleMeasurement of the jet mass in high transverse momentum Z(→bb‾)γ production at √s=13TeV using the ATLAS detectoren_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.description.versionpublishedVersionen_US
dc.rights.holder© 2020 The Author.en_US
dc.source.articlenumber135991en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode2
dc.identifier.doi10.1016/j.physletb.2020.135991
dc.identifier.cristin1945672
dc.source.journalPhysics Letters Ben_US
dc.subject.nsiVDP::Kjerne- og elementærpartikkelfysikk: 431en_US
dc.subject.nsiVDP::Nuclear and elementary particle physics: 431en_US
dc.identifier.citationPhysics Letters B. 2021, 812:135991.en_US
dc.source.volume812en_US


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Navngivelse 4.0 Internasjonal
Except where otherwise noted, this item's license is described as Navngivelse 4.0 Internasjonal