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Study of Jet Quenching with Z+jet Correlations in Pb-Pb and pp Collisions at √sNN=5.02  TeV

dc.contributor.authorCMS Collaboration
dc.date.accessioned2018-10-25T16:59:58Z
dc.date.available2018-10-25T16:59:58Z
dc.date.issued2017-08-23
dc.identifier.citationCMS Collaboration. "Study of Jet Quenching with Z+jet Correlations in Pb-Pb and pp Collisions at √sNN=5.02  TeV”, Physics Review Letters. (2017) 119:8. https://doi.org/10.1103/PhysRevLett.119.082301en_US
dc.identifier.urihttp://hdl.handle.net/1808/27035
dc.description.abstractThe production of jets in association with Z bosons, reconstructed via the μ+μ− and e+e− decay channels, is studied in pp and, for the first time, in Pb-Pb collisions. Both data samples were collected by the CMS experiment at the LHC, at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The Pb-Pb collisions were analyzed in the 0%–30% centrality range. The back-to-back azimuthal alignment was studied in both pp and Pb-Pb collisions for Z bosons with transverse momentum pZT>60  GeV/c and a recoiling jet with pjetT>30  GeV/c. The pT imbalance xjZ=pjetT/pZT, as well as the average number of jet partners per Z, RjZ, was studied in intervals of pZT. The RjZ is found to be smaller in Pb-Pb than in pp collisions, which suggests that in Pb-Pb collisions a larger fraction of partons associated with the Z bosons fall below the 30  GeV/c pjetT threshold because they lose energy.en_US
dc.publisherAmerican Physical Societyen_US
dc.rightsPublished 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.

© 2017 CERN, for the CMS Collaboration		en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleStudy of Jet Quenching with Z+jet Correlations in Pb-Pb and pp Collisions at √sNN=5.02  TeVen_US
dc.typeArticleen_US
kusw.kuauthorBaringer, Philip, S.
kusw.kudepartmentPhysics and Astronomyen_US
dc.identifier.doi10.1103/PhysRevLett.119.082301en_US
kusw.oaversionScholarly/refereed, publisher versionen_US
kusw.oapolicyThis item meets KU Open Access policy criteria.en_US
dc.rights.accessrightsopenAccessen_US


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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. © 2017 CERN, for the CMS Collaboration
Except where otherwise noted, this item's license is described as: 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. © 2017 CERN, for the CMS Collaboration