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Measurement of the inclusive 3-jet production differential cross section in proton-proton collisions at 7 TeV and determination of the strong coupling constant in the TeV range
CMS Collaboration
2015
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号75期号:5页码:186
摘要This paper presents a measurement of the inclusive 3-jet production differential cross section at a proton-proton centre-of-mass energy of 7 TeV using data corresponding to an integrated luminosity of 5 fb(-1) collected with the CMS detector. The analysis is based on the three jets with the highest transverse momenta. The cross section is measured as a function of the invariant mass of the three jets in a range of 445-3270 GeV and in two bins of the maximum rapidity of the jets up to a value of 2. A comparison between the measurement and the prediction from perturbative QCD at next-to-leading order is performed. Within uncertainties, data and theory are in agreement. The sensitivity of the observable to the strong coupling constant alpha(S) is studied. A fit to all data points with 3-jet masses larger than 664 GeV gives a value of the strong coupling constant of alpha(S)(M-Z) = 0.1171 +/- 0.0013 (exp) (+0.0073)(-0.0047) (theo).
文章类型Article
学科领域Physics
DOI10.1140/epjc/s10052-015-3376-y
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:000355673300005
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被引频次:17[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/311005/228445
专题粒子天体物理中心
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CMS Collaboration. Measurement of the inclusive 3-jet production differential cross section in proton-proton collisions at 7 TeV and determination of the strong coupling constant in the TeV range[J]. EUROPEAN PHYSICAL JOURNAL C,2015,75(5):186.
APA CMS Collaboration.(2015).Measurement of the inclusive 3-jet production differential cross section in proton-proton collisions at 7 TeV and determination of the strong coupling constant in the TeV range.EUROPEAN PHYSICAL JOURNAL C,75(5),186.
MLA CMS Collaboration."Measurement of the inclusive 3-jet production differential cross section in proton-proton collisions at 7 TeV and determination of the strong coupling constant in the TeV range".EUROPEAN PHYSICAL JOURNAL C 75.5(2015):186.
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