Sangam: A Confluence of Knowledge Streams

Jet Shapes of Isolated Photon-Tagged Jets in Pb-Pb and p p Collisions at √ s N N = 5.02 TeV

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dc.contributor Massachusetts Institute of Technology. Department of Physics
dc.contributor Massachusetts Institute of Technology. Laboratory for Nuclear Science
dc.creator The CMS Collaboration
dc.date 2021-10-27T19:51:50Z
dc.date 2021-10-27T19:51:50Z
dc.date 2019
dc.date 2021-06-25T13:36:34Z
dc.date.accessioned 2023-03-01T18:08:43Z
dc.date.available 2023-03-01T18:08:43Z
dc.identifier https://hdl.handle.net/1721.1/133260
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/278917
dc.description © 2019 CERN. © 2019 CERN, for the CMS Collaboration. Published by the American Physical Society under the terms of the »https://creativecommons.org/licenses/by/4.0/» 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 SCOAP 3 . The modification of jet shapes in Pb-Pb collisions, relative to those in pp collisions, is studied for jets associated with an isolated photon. The data were collected with the CMS detector at the LHC at a nucleon-nucleon center-of-mass energy of 5.02 TeV. Jet shapes are constructed from charged particles with track transverse momenta (pT) above 1 GeV/c in annuli around the axes of jets with pTjet>30 GeV/c associated with an isolated photon with pTγ>60 GeV/c. The jet shape distributions are consistent between peripheral Pb-Pb and pp collisions, but are modified for more central Pb-Pb collisions. In these central Pb-Pb events, a larger fraction of the jet momentum is observed at larger distances from the jet axis compared to pp, reflecting the interaction between the partonic medium created in heavy ion collisions and the traversing partons.
dc.format application/pdf
dc.language en
dc.publisher American Physical Society (APS)
dc.relation 10.1103/PHYSREVLETT.122.152001
dc.relation Physical Review Letters
dc.rights Creative Commons Attribution 4.0 International license
dc.rights https://creativecommons.org/licenses/by/4.0/
dc.source APS
dc.title Jet Shapes of Isolated Photon-Tagged Jets in Pb-Pb and p p Collisions at √ s N N = 5.02 TeV
dc.type Article
dc.type http://purl.org/eprint/type/JournalArticle


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