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

CMS Collaboration

Araştırma sonucu: Dergiye katkıMakalebilirkişi

105 Atıf (Scopus)

Özet

Inclusive jet spectra from pp and PbPb collisions at a nucleon-nucleon center-of-mass energy of 2.76TeV, 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 70GeV/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.

Orijinal dilİngilizce
Makale numarası015202
DergiPhysical Review C
Hacim96
Basın numarası1
DOI'lar
Yayın durumuYayınlandı - 17 Tem 2017

Bibliyografik not

Publisher Copyright:
©2017 CERN, for the CMS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation.

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