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Measurement of the cross section for production of b(b)over-barX decaying to muons in pp collisions at root s=7TeV
CMS Collaboration
2012
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号6
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要A measurement of the inclusive cross section for the process pp -> b (b) over barX -> mu mu X' at root s = 7TeV is presented, based on a data sample corresponding to an integrated luminosity of 27.9 pb(-1) collected by the CMS experiment at the LHC. By selecting pairs of muons each with pseudorapidity vertical bar eta vertical bar < 2.1, the value sigma(pp -> b<(b)over bar>X -> mu mu X') = 26.4 +/- 0.1 (stat.) +/- 2.4 (syst.) +/- 1.1 (lumi.) nb is obtained for muons with transverse momentum p(T) > 4 GeV, and 5.12 +/- 0.03 (stat.) +/- 0.48 (syst.) +/- 0.20 (lumi.) nb for p(T) > 6 GeV. These results are compared to QCD predictions at leading and next-to-leading orders.
关键词HADRONIC Z(0) DECAYS HEAVY-QUARK PRODUCTION GLUON SPLITTING RATE PAIRS ANNIHILATION TEV
学科领域Physics
DOI10.1007/JHEP06(2012)110
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000306418300020
引用统计
被引频次:2[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/311005/213286
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 cross section for production of b(b)over-barX decaying to muons in pp collisions at root s=7TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(6).
APA CMS Collaboration.(2012).Measurement of the cross section for production of b(b)over-barX decaying to muons in pp collisions at root s=7TeV.JOURNAL OF HIGH ENERGY PHYSICS(6).
MLA CMS Collaboration."Measurement of the cross section for production of b(b)over-barX decaying to muons in pp collisions at root s=7TeV".JOURNAL OF HIGH ENERGY PHYSICS .6(2012).
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