Measurement of the low-mass Drell-Yan differential cross section at root s=7 TeV using the ATLAS detector
ATLAS collaboration
刊名JOURNAL OF HIGH ENERGY PHYSICS
2014
期号6
关键词PARTON DISTRIBUTIONS PAIR PRODUCTION COLLISIONS LHC QCD
学科分类Physics
DOI10.1007/JHEP06(2014)112
通讯作者Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.
英文摘要The differential cross section for the process Z/gamma* -> ll (l = e, mu) as a function of dilepton invariant mass is measured in pp collisions at root s = 7 TeV at the LHC using the ATLAS detector. The measurement is performed in the e and mu channels for invariant masses between 26 GeV and 66 GeV using an integrated luminosity of 1.6 fb(-1) collected in 2011 and these measurements are combined. The analysis is extended to invariant masses as low as 12 GeV in the muon channel using 35 pb(-1) of data collected in 2010. The cross sections are determined within fiducial acceptance regions and corrections to extrapolate the measurements to the full kinematic range are provided. Next-to-next-to-leading-order QCD predictions provide a significantly better description of the results than next-to-leading-order QCD calculations, unless the latter are matched to a parton shower calculation.
类目[WOS]Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000338528300001
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被引频次:22[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/311005/213734
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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ATLAS collaboration. Measurement of the low-mass Drell-Yan differential cross section at root s=7 TeV using the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(6).
APA ATLAS collaboration.(2014).Measurement of the low-mass Drell-Yan differential cross section at root s=7 TeV using the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(6).
MLA ATLAS collaboration."Measurement of the low-mass Drell-Yan differential cross section at root s=7 TeV using the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .6(2014).
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