Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6198
Title: Transverse momentum spectra of inclusive b jets in pPb collisions at sNN=5.02 TeV
Authors: CMS Collaboration
Karapınar, Güler
Karapınar, Güler
Keywords: Large Hadron Collider (LHC)
Compact Muon Solenoid
Issue Date: Mar-2016
Publisher: Elsevier Ltd.
Source: Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T.,...CMS Collaboration (2016). Transverse momentum spectra of inclusive b jets in pPb collisions at √sNN=5.02 TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 754, 59-80. doi:10.1016/j.physletb.2016.01.010
Abstract: We present a measurement of b jet transverse momentum (pT) spectra in proton-lead (pPb) collisions using a dataset corresponding to about 35 nb-1 collected with the CMS detector at the LHC. Jets from b quark fragmentation are found by exploiting the long lifetime of hadrons containing a b quark through tagging methods using distributions of the secondary vertex mass and displacement. Extracted cross sections for b jets are scaled by the effective number of nucleon-nucleon collisions and are compared to a reference obtained from pythia simulations of pp collisions. The pythia-based estimate of the nuclear modification factor is found to be 1.22±0.15(stat+syst pPb)±0.27(syst pythia) averaged over all jets with pT between 55 and 400 GeV/c and with |ηlab|<2. We also compare this result to predictions from models using perturbative calculations in quantum chromodynamics.
URI: http://doi.org/10.1016/j.physletb.2016.01.010
http://hdl.handle.net/11147/6198
ISSN: 0370-2693
Appears in Collections:Mathematics / Matematik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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