Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6703
Title: Measurements of the charm jet cross section and nuclear modification factor in pPb collisions at sNN=5.02 TeV
Authors: CMS Collaboration
Karapınar, Güler
Keywords: Large Hadron Collider (LHC)
Compact Muon Solenoid
Publisher: Elsevier Ltd.
Source: Sirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer,T., Brandstetter, J.,...CMS Collaboration (2017). Measurements of the charm jet cross section and nuclear modification factor in pPb collisions at sNN=5.02 TeV. Physics Letters, Section B, 772, 306-329. doi:10.1016/j.physletb.2017.06.053
Abstract: The CMS Collaboration presents the first measurement of the differential cross section of jets from charm quarks produced in proton–lead (pPb) collisions at a nucleon–nucleon center-of-mass energy of sNN=5.02TeV, as well as results from charm quark jets in proton–proton (pp) collisions at s=2.76 and 5.02TeV. By comparing the yields of the pPb and pp collision systems at the same energy, a nuclear modification factor for charm jets from 55 to 400 GeV/c in pPb collisions at sNN=5.02TeV of RpA=0.92±0.07(stat)±0.11(syst) is obtained. This is consistent with an absence of final-state energy loss for charm quarks in pPb collisions. In addition, the fraction of jets coming from charm quarks is found to be consistent with that predicted by PYTHIA 6 for pp collisions at s=2.76 and 5.02TeV, and is independent of the jet transverse momentum from 55 to 400 GeV/c.
URI: http://doi.org/10.1016/j.physletb.2017.06.053
http://hdl.handle.net/11147/6703
ISSN: 0370-2693
0370-2693
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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