Measurement of the underlying event activity using charged-particle jets in proton-proton collisions at s = 2.76 TeV
CMS Collaboration
刊名JOURNAL OF HIGH ENERGY PHYSICS
2015
卷号2015期号:9页码:137
关键词Hadron-Hadron Scattering Particle correlations and fluctuations
学科分类Physics
DOI10.1007/JHEP09(2015)137
文章类型Article
英文摘要A measurement of the underlying event (UE) activity in proton-proton collisions is performed using events with charged-particle jets produced in the central pseudorapidity region (vertical bar eta(jet) | < 2) and with transverse momentum 1 <= p(T)(jet) < 100 GeV. The analysis uses a data sample collected at a centre-of-mass energy of 2.76TeV with the CMS experiment at the LHC. The UE activity is measured as a function of p(T)(jet) T in terms of the average multiplicity and scalar sum of transverse momenta (p(T)) of charged particles, with vertical bar eta vertical bar < 2 and p(T) > 0.5 GeV, in the azimuthal region transverse to the highest p(T) jet direction. By further dividing the transverse region into two regions of smaller and larger activity, various components of the UE activity are separated. The measurements are compared to previous results at 0.9 and 7TeV, and to predictions of several Monte Carlo event generators, providing constraints on the modelling of the UE dynamics.
类目[WOS]Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000363541800002
引用统计
被引频次:4[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/311005/228999
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
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CMS Collaboration. Measurement of the underlying event activity using charged-particle jets in proton-proton collisions at s = 2.76 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015,2015(9):137.
APA CMS Collaboration.(2015).Measurement of the underlying event activity using charged-particle jets in proton-proton collisions at s = 2.76 TeV.JOURNAL OF HIGH ENERGY PHYSICS,2015(9),137.
MLA CMS Collaboration."Measurement of the underlying event activity using charged-particle jets in proton-proton collisions at s = 2.76 TeV".JOURNAL OF HIGH ENERGY PHYSICS 2015.9(2015):137.
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