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Jet mass and substructure of inclusive jets in root s=7 TeV pp collisions with the ATLAS experiment
ATLAS collaboration
2012
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号5
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要Recent studies have highlighted the potential of jet substructure techniques to identify the hadronic decays of boosted heavy particles. These studies all rely upon the assumption that the internal substructure of jets generated by QCD radiation is well understood. In this article, this assumption is tested on an inclusive sample of jets recorded with the ATLAS detector in 2010, which corresponds to 35 pb(-1) of pp collisions delivered by the LHC at root s = 7 TeV. In a subsample of events with single pp collisions, measurements corrected for detector efficiency and resolution are presented with full systematic uncertainties. Jet invariant mass, k(t) splitting scales and N-subjettiness variables are presented for anti-k(t) R = 1.0 jets and Cambridge-Aachen R = 1.2 jets. Jet invariant-mass spectra for Cambridge-Aachen R = 1.2 jets after a splitting and filtering procedure are also presented. Leading-order parton-shower Monte Carlo predictions for these variables are found to be broadly in agreement with data. The dependence of mean jet mass on additional pp interactions is also explored.
关键词PARTON DISTRIBUTIONS HADRON-COLLISIONS HERA FRAGMENTATION ALPHA(S) LHC
学科领域Physics
DOI10.1007/JHEP05(2012)128
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000305238600048
引用统计
被引频次:42[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/311005/213259
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS collaboration. Jet mass and substructure of inclusive jets in root s=7 TeV pp collisions with the ATLAS experiment[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(5).
APA ATLAS collaboration.(2012).Jet mass and substructure of inclusive jets in root s=7 TeV pp collisions with the ATLAS experiment.JOURNAL OF HIGH ENERGY PHYSICS(5).
MLA ATLAS collaboration."Jet mass and substructure of inclusive jets in root s=7 TeV pp collisions with the ATLAS experiment".JOURNAL OF HIGH ENERGY PHYSICS .5(2012).
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