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Measurement of the differential and double-differential Drell-Yan cross sections in proton-proton collisions at root s=7 TeV
CMS Collaboration
2013
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号12
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Measurements of the differential and double-differential Drell-Yan cross sections are presented using an integrated luminosity of 4.5 (4.8) fb(-1) in the dimuon (dielectron) channel of proton-proton collision data recorded with the CMS detector at the LHC at = 7 TeV. The measured inclusive cross section in the Z-peak region (60-120 GeV) is sigma(a""a"") = 986.4 +/- 0.6 (stat.) +/- 5.9 (exp. syst.) +/- 21.7 (th. syst.) +/- 21.7 (lum.) pb for the combination of the dimuon and dielectron channels. Differential cross sections d sigma/dm for the dimuon, dielectron, and combined channels are measured in the mass range 15 to 1500 GeV and corrected to the full phase space. Results are also presented for the measurement of the double-differential cross section d(2)sigma/dm d|y| in the dimuon channel over the mass range 20 to 1500 GeV and absolute dimuon rapidity from 0 to 2.4. These measurements are compared to the predictions of perturbative QCD calculations at next-to-leading and next-to-next-to-leading orders using various sets of parton distribution functions.
关键词PARTON DISTRIBUTIONS LHC
学科领域Physics
DOI10.1007/JHEP12(2013)030
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000328349500001
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被引频次:26[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/311005/213634
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. Measurement of the differential and double-differential Drell-Yan cross sections in proton-proton collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(12).
APA CMS Collaboration.(2013).Measurement of the differential and double-differential Drell-Yan cross sections in proton-proton collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(12).
MLA CMS Collaboration."Measurement of the differential and double-differential Drell-Yan cross sections in proton-proton collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .12(2013).
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