Comparison of jet quenching formalisms for a quark-gluon plasma "brick"

被引：122

作者：

Armesto, Nestor ^{[1
,2
]}

Cole, Brian ^{[3
,4
]}

Gale, Charles ^{[5
]}

Horowitz, William A. ^{[6
,7
]}

Jacobs, Peter ^{[8
]}

Jeon, Sangyong ^{[5
]}

van Leeuwen, Marco ^{[9
,10
]}

Majumder, Abhijit ^{[6
,11
]}

Mueller, Berndt ^{[12
,13
]}

Qin, Guang-You ^{[12
,13
]}

Salgado, Carlos A. ^{[1
,2
]}

Schenke, Bjoern ^{[5
,14
]}

Verweij, Marta ^{[9
,10
]}

Wang, Xin-Nian ^{[8
,15
]}

Wiedemann, Urs Achim ^{[16
]}

机构：

[1] Univ Santiago de Compostela, Dept Fis Particulas, E-15706 Santiago De Compostela, Spain

[2] Univ Santiago de Compostela, IGFAE, E-15706 Santiago De Compostela, Spain

[3] Columbia Univ, Dept Phys, Irvington, NY 10533 USA

[4] Nevis Labs, Irvington, NY 10533 USA

[5] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

[6] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[7] Univ Cape Town, Dept Phys, ZA-7701 Rondebosch, South Africa

[8] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA

[9] Univ Utrecht, Natl Inst Subatom Phys, Nikhef, Utrecht, Netherlands

[10] Univ Utrecht, Inst Subatom Phys, Utrecht, Netherlands

[11] Wayne State Univ, Dept Phys, Detroit, MI 48201 USA

[12] Duke Univ, Dept Phys, Durham, NC 27708 USA

[13] Duke Univ, CTMS, Durham, NC 27708 USA

[14] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[15] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China

[16] CERN, Dept Phys, Theory Unit, CH-1211 Geneva 23, Switzerland

来源：

PHYSICAL REVIEW C | 2012年 / 86卷 / 06期

基金：

加拿大自然科学与工程研究理事会;

关键词：

RADIATIVE ENERGY-LOSS; LARGE TRANSVERSE-MOMENTUM; FRAGMENTATION FUNCTIONS; HADRONIC SCATTERING; POWER CORRECTIONS; COLLISIONS; SPECTRA; PARTONS; BDMPS;

D O I：

10.1103/PhysRevC.86.064904

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We review the currently available formalisms for radiative energy loss of a high-momentum parton in a dense strongly interacting medium. The underlying theoretical framework of the four commonly used formalisms is discussed and the differences and commonalities between the formalisms are highlighted. A quantitative comparison of the single-gluon emission spectra as well as the energy-loss distributions is given for a model system consisting of a uniform medium with a fixed length of L = 2 fm and L = 5 fm (the "Brick"). Sizable quantitative differences are found. The largest differences can be attributed to specific approximations that are made in the calculation of the radiation spectrum. DOI:10.1103/PhysRevC.86.064904

引用

页数：27

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