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Measurement of inclusive jet cross sections in pp and PbPb collisions at s NN =2.76 TeV

Khachatryan, Vardan and Sirunyan, A. M. and Tumasyan, A. R. and Adam, Wolfgang and Asilar, Ece and Md. Ali, Mohd. Adli (2017) Measurement of inclusive jet cross sections in pp and PbPb collisions at s NN =2.76 TeV. Physical Review C, 96 (1). pp. 1-20. ISSN 2469-9985

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Abstract

Inclusive jet spectra from pp and PbPb collisions at a nucleon-nucleon center-of-mass energy of 2.76 TeV, collected with the CMS detector at the CERN Large Hadron Collider, are presented. Jets are reconstructed with three different distance parameters (R = 0.2, 0.3, and 0.4) for transverse momentum (pT) greater than 70 GeV/c and pseudorapidity |η| < 2. Next-to-leading-order quantum chromodynamic calculations with nonperturbative corrections are found to overpredict jet production cross sections in pp for small distance parameters. The jet nuclear modification factors for PbPb compared to pp collisions, show a steady decrease from peripheral to central events, along with a weak dependence on the jet pT. They are found to be independent of the distance parameter in the measured kinematic range

Item Type: Article (Journal)
Additional Information: 7861/63026
Uncontrolled Keywords: Measurement of inclusive jet cross; pp and PbPb collisions; s NN =2.76 TeV
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Science
Depositing User: Engku Norulizati Engku Aziz
Date Deposited: 15 May 2018 09:21
Last Modified: 15 May 2018 09:21
URI: http://irep.iium.edu.my/id/eprint/63026

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