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In-medium modification of dijets in PbPb collisions at √s_NN = 5.02 TeV

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dc.contributor.authorCMS Collaboration
dc.contributor.authorBuccilli, A.
dc.contributor.authorCharaf, O.
dc.contributor.authorCooper, S.I.
dc.contributor.authorGleyzer, S.V.
dc.contributor.authorHenderson, C.
dc.contributor.authorRumerio, P.
dc.contributor.authorWest, C.
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.date.accessioned2022-08-02T15:22:55Z
dc.date.available2022-08-02T15:22:55Z
dc.date.issued2021
dc.description.abstractModifications to the distribution of charged particles with respect to high transverse momentum (\(p_{T}\)) jets passing through a quark-gluon plasma are explored using the CMS detector. Back-to-back dijets are analyzed in lead-lead and proton-proton collisions at \(\sqrt{{s}_{\mathrm{NN}}}\) = 5.02 TeV via correlations of charged particles in bins of relative pseudorapidity and angular distance from the leading and subleading jet axes. In comparing the lead-lead and proton-proton collision results, modifications to the charged-particle relative distance distribution and to the momentum distributions around the jet axis are found to depend on the dijet momentum balance \(x_{j}\), which is the ratio between the subleading and leading jet \(p_{T}\). For events with \(x_{j}\) ≈ 1, these modifications are observed for both the leading and subleading jets. However, while subleading jets show significant modifications for events with a larger dijet momentum imbalance, much smaller modifications are found for the leading jets in these events.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationSirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., Escalante Del Valle, A., Frühwirth, R., Jeitler, M., Krammer, N., Lechner, L., Liko, D., Madlener, T., Mikulec, I., Pitters, F. M., Rad, N., Schieck, J., Schöfbeck, R., … Vetens, W. (2021). In-medium modification of dijets in PbPb collisions at $ \sqrt{s_{\mathrm{NN}}} $ = 5.02 TeV. In Journal of High Energy Physics (Vol. 2021, Issue 5). Springer Science and Business Media LLC. https://doi.org/10.1007/jhep05(2021)116
dc.identifier.doi10.1007/JHEP05(2021)116
dc.identifier.urihttps://ir.ua.edu/handle/123456789/9302
dc.languageEnglish
dc.language.isoen_US
dc.rights.urihttps://creativecommons.org/licenses//by/4.0
dc.subjectHigh Energy Physics - Experiment
dc.subjectNuclear Experiment
dc.subjectHadron-Hadron scattering (experiments)
dc.subjectJet physics
dc.subjectQuark gluon plasma
dc.titleIn-medium modification of dijets in PbPb collisions at √s_NN = 5.02 TeVen_US
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