Jet quenching and γ-jet correlation in high-energy heavy-ion collisions

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成果类型：

期刊论文

作者：

Wang, Xin-Nian;Zhu, Yan*

通讯作者：

Zhu, Yan

作者机构：

[Wang, Xin-Nian] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.

[Wang, Xin-Nian] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.

[Wang, Xin-Nian] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94740 USA.

[Zhu, Yan] Univ Santiago Compostela, Dept Fis Particulas, E-15706 Santiago De Compostela, Galicia, Spain.

[Zhu, Yan] Univ Santiago Compostela, IGFAE, E-15706 Santiago De Compostela, Galicia, Spain.

通讯机构：

[Zhu, Yan] U

Univ Santiago Compostela, Dept Fis Particulas, E-15706 Santiago De Compostela, Galicia, Spain.

语种：

英文

关键词：

Jet quenching;gamma-jet;Azimuthal angle correlation;Jet fragmentation function

期刊：

Nuclear Physics A

ISSN：

0375-9474

年：

2014

卷：

932

页码：

447-452

DOI：

10.1016/j.nuclphysa.2014.07.018

基金类别：

NSFCNational Natural Science Foundation of China (NSFC) [11221504]; China MOSTMinistry of Science and Technology, China [2014DFG02050]; Major State Basic Research Development Program in ChinaNational Basic Research Program of China [2014CB845404]; U.S. DOEUnited States Department of Energy (DOE) [DE-AC02-05CH11231]; JET Collaboration; Sofja Kovalevskaja program of the Alexander von Humboldt FoundationAlexander von Humboldt Foundation; DFG Graduate School Quantum Fields and Strongly Interacting Matter; European Research CouncilEuropean Research Council (ERC)European Commission [HotLHC ERC-2001-StG-279579]

机构署名：

本校为第一机构

院系归属：

物理科学与技术学院

摘要：

Medium modification of gamma-tagged jets in high-energy heavy-ion collisions is investigated within a linearized Boltzmann transport model which includes both elastic parton scattering and induced gluon emission. In Pb + Pb collisions at root s = 2.76 TeV, a gamma-tagged jet is seen to lose 15% of its energy at 0-10% central collisions. Simulations also point to a sizable azimuthal angle broadening of gamma-tagged jets at the tail of a distribution which should be measurable when experimental errors are significantly reduced. An enhancement at large z(jet) = p(L)/E-jet in jet fragmentation fun...

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Jet quenching and γ-jet correlation in high-energy heavy-ion collisions

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