Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/11217
Title: First measurement of large area jet transverse momentum spectra in heavy-ion collisions
Authors: Karapınar, Güler
CMS Collaboration
Keywords: Hadron-Hadron scattering (experiments)
Heavy-ion collision
Jets
Issue Date: 2021
Publisher: Springer Science and Business Media Deutschland GmbH
Abstract: Jet production in lead-lead (PbPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV is studied with the CMS detector at the LHC, using PbPb and pp data samples corresponding to integrated luminosities of 404 ?b?1 and 27.4 pb?1, respectively. Jets with different areas are reconstructed using the anti-kT algorithm by varying the distance parameter R. The measurements are performed using jets with transverse momenta (pT) greater than 200 GeV and in a pseudorapidity range of |?| < 2. To reveal the medium modification of the jet spectra in PbPb collisions, the properly normalized ratio of spectra from PbPb and pp data is used to extract jet nuclear modification factors as functions of the PbPb collision centrality, pT and, for the first time, as a function of R up to 1.0. For the most central collisions, a strong suppression is observed for high-pT jets reconstructed with all distance parameters, implying that a significant amount of jet energy is scattered to large angles. The dependence of jet suppression on R is expected to be sensitive to both the jet energy loss mechanism and the medium response, and so the data are compared to several modern event generators and analytic calculations. The models considered do not fully reproduce the data. [Figure not available: see fulltext.] © 2021, The Author(s).
URI: http://doi.org/10.1007/JHEP05(2021)284
https://hdl.handle.net/11147/11217
ISSN: 1029-8479
Appears in Collections:Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

Show full item record



CORE Recommender

SCOPUSTM   
Citations

22
checked on Feb 16, 2024

WEB OF SCIENCETM
Citations

23
checked on Feb 17, 2024

Page view(s)

86
checked on Feb 26, 2024

Google ScholarTM

Check




Altmetric


Items in GCRIS Repository are protected by copyright, with all rights reserved, unless otherwise indicated.