Measurement of k(T) splitting scales in W -> l nu events at root s=7 TeV with the ATLAS detector
ATLAS collaboration
刊名EUROPEAN PHYSICAL JOURNAL C
2013
卷号73期号:5
关键词DEEP-INELASTIC SCATTERING HADRON-COLLISIONS CROSS-SECTIONS PP COLLISIONS JET HERA ALPHA(S) ALGORITHMS ENERGIES RATES
学科分类Physics
DOI10.1140/epjc/s10052-013-2432-8
通讯作者Aad, G (reprint author), Univ Freiburg, Hugstetter Str 55, D-79106 Freiburg, Germany.
英文摘要A measurement of splitting scales, as defined by the kT clustering algorithm, is presented for final states containing a W boson produced in proton-proton collisions at a centre-of-mass energy of 7 TeV. The measurement is based on the full 2010 data sample corresponding to an integrated luminosity of 36 pb(-1) which was collected using the ATLAS detector at the CERN Large Hadron Collider. Cluster splitting scales are measured in events containing W bosons decaying to electrons or muons. The measurement comprises the four hardest splitting scales in a k(T) cluster sequence of the hadronic activity accompanying the W boson, and ratios of these splitting scales. Backgrounds such as multi-jet and top-quark-pair production are subtracted and the results are corrected for detector effects. Predictions from various Monte Carlo event generators at particle level are compared to the data. Overall, reasonable agreement is found with all generators, but larger deviations between the predictions and the data are evident in the soft regions of the splitting scales.
类目[WOS]Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000319518900019
引用统计
被引频次:104[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/311005/213537
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 k(T) splitting scales in W -> l nu events at root s=7 TeV with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(5).
APA ATLAS collaboration.(2013).Measurement of k(T) splitting scales in W -> l nu events at root s=7 TeV with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,73(5).
MLA ATLAS collaboration."Measurement of k(T) splitting scales in W -> l nu events at root s=7 TeV with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 73.5(2013).
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