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QCD resummation for light-particle jets
Li, HN; 李钊;Li, Z; Yuan, CP
2013
发表期刊PHYSICAL REVIEW D
卷号87期号:7页码:74025
摘要We construct an evolution equation for the invariant-mass distribution of light-quark and gluon jets in the framework of QCD resummation. The solution of the evolution equation exhibits a behavior consistent with Tevatron CDF data: the jet distribution vanishes in the small invariant-mass limit, and its peak moves toward the high invariant-mass region with the jet energy. We also construct an evolution equation for the energy profile of the light-quark and gluon jets in the similar framework. The solution shows that the energy accumulates faster within a light-quark jet cone than within a gluon jet cone. The jet energy profile convoluted with hard scattering and parton distribution functions matches well with the Tevatron CDF and the LHC CMS data. Moreover, comparison with the CDF and CMS data implies that jets with large (small) transverse momentum are mainly composed of the light-quark (gluon) jets. At last, we discuss the application of the above solutions for the light-particle jets to the identification of highly boosted heavy particles produced at the LHC. DOI: 10.1103/PhysRevD.87.074025
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.87.074025
收录类别SCI
WOS记录号WOS:000317912600010
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被引频次:20[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/311005/224586
专题理论物理室
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Li, HN,李钊;Li, Z,Yuan, CP. QCD resummation for light-particle jets[J]. PHYSICAL REVIEW D,2013,87(7):74025.
APA Li, HN,李钊;Li, Z,&Yuan, CP.(2013).QCD resummation for light-particle jets.PHYSICAL REVIEW D,87(7),74025.
MLA Li, HN,et al."QCD resummation for light-particle jets".PHYSICAL REVIEW D 87.7(2013):74025.
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