Measurement of differential J/psi production cross sections and forward-backward ratios in p plus Pb collisions with the ATLAS detector
ATLAS Collaboration
刊名PHYSICAL REVIEW C
2015
卷号92期号:3页码:34904
学科分类Physics
DOI10.1103/PhysRevC.92.034904
文章类型Article
英文摘要Measurements of differential cross sections for J/psi production in p + Pb collisions at root S-NN= 5.02 TeV at the CERN Large Hadron Collider with the ATLAS detector are presented. The data set used corresponds to an integrated luminosity of 28.1 nb(-1). The J/psi mesons are reconstructed in the dimuon decay channel over the transverse momentum range 8 < PT < 30 GeV and over the center-of-mass rapidity range -2.87 < y* < 1.94. Prompt J/psi are separated from J/psi resulting from b-hadron decays through an analysis of the distance between the J/psi decay vertex and the event primary vertex. The differential cross section for production of nonprompt J/psi is compared to a FONLL calculation that does not include nuclear effects. Forward-backward production ratios are presented and compared to theoretical predictions. These results complement previously published results by covering a region of higher transverse momentum and more central rapidity. They thus constrain the kinematic dependence of nuclear modifications of charmonium and b-quark production in p + Pb collisions.
类目[WOS]Physics, Nuclear
收录类别SCI
WOS记录号WOS:000361118900010
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228702
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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ATLAS Collaboration. Measurement of differential J/psi production cross sections and forward-backward ratios in p plus Pb collisions with the ATLAS detector[J]. PHYSICAL REVIEW C,2015,92(3):34904.
APA ATLAS Collaboration.(2015).Measurement of differential J/psi production cross sections and forward-backward ratios in p plus Pb collisions with the ATLAS detector.PHYSICAL REVIEW C,92(3),34904.
MLA ATLAS Collaboration."Measurement of differential J/psi production cross sections and forward-backward ratios in p plus Pb collisions with the ATLAS detector".PHYSICAL REVIEW C 92.3(2015):34904.
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