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Studies of dijet transverse momentum balance and pseudorapidity distributions in pPb collisions at root s(NN)=5.02 TeV
CMS Collaboration
2014
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号74期号:7
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Dijet production has been measured in collisions at a nucleon-nucleon centre-of-mass energy of 5.02. A data sample corresponding to an integrated luminosity of 35 was collected using the Compact Muon Solenoid detector at the Large Hadron Collider. The dijet transverse momentum balance, azimuthal angle correlations, and pseudorapidity distributions are studied as a function of the transverse energy in the forward calorimeters (). For collisions, the dijet transverse momentum ratio and the width of the distribution of dijet azimuthal angle difference are comparable to the same quantities obtained from a simulated reference and insensitive to . In contrast, the mean value of the dijet pseudorapidity is found to change monotonically with increasing , indicating a correlation between the energy emitted at large pseudorapidity and the longitudinal motion of the dijet frame. The pseudorapidity distribution of the dijet system in minimum bias collisions is compared with next-to-leading-order perturbative QCD predictions obtained from both nucleon and nuclear parton distribution functions, and the data more closely match the latter.
关键词QUARK-GLUON PLASMAS PARTICLE-PRODUCTION PBPB COLLISIONS JET PRODUCTION INCLUSIVE JET SUPPRESSION DEPENDENCE DETECTOR PARTON ENERGY
学科领域Physics
DOI10.1140/epjc/s10052-014-2951-y
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000339804100001
引用统计
被引频次:31[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/311005/213746
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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CMS Collaboration. Studies of dijet transverse momentum balance and pseudorapidity distributions in pPb collisions at root s(NN)=5.02 TeV[J]. EUROPEAN PHYSICAL JOURNAL C,2014,74(7).
APA CMS Collaboration.(2014).Studies of dijet transverse momentum balance and pseudorapidity distributions in pPb collisions at root s(NN)=5.02 TeV.EUROPEAN PHYSICAL JOURNAL C,74(7).
MLA CMS Collaboration."Studies of dijet transverse momentum balance and pseudorapidity distributions in pPb collisions at root s(NN)=5.02 TeV".EUROPEAN PHYSICAL JOURNAL C 74.7(2014).
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