Jet quenching in expanding medium

被引:1
|
作者
Adhya, S. P. [1 ]
Salgado, C. A. [2 ]
Spousta, M. [1 ]
Tywoniuk, K. [3 ]
机构
[1] Charles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, V Holesovickach 2, Prague 18000 8, Czech Republic
[2] Univ Santiago Compostela, Inst Galego Fis Altas Enerxias IGFAE, E-15782 Galicia, Spain
[3] Univ Bergen, Dept Phys & Technol, N-5007 Bergen, Norway
关键词
Jet quenching; Perturbative QCD; Expanding QGP; RADIATIVE ENERGY-LOSS; PB COLLISIONS; PARTONS;
D O I
10.1088/1402-4896/abc5ee
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Comprehensive understanding of medium-induced radiative energy loss is of a paramount importance in describing observed jet quenching in heavy-ion collisions. In this work, we have calculated the medium-modified gluon splitting rates for different profiles of the expanding partonic medium, namely profiles for static, exponential, and Bjorken expanding medium. Here in this study, we have used the Baier-Dokshitzer-Mueller-Peigne-Schiff-Zakharov (BDMPSZ) formalism is used for multiple soft scatterings with a time-dependent transport coefficient for characterizing the expanding medium. Using the kinetic rate equation, we have numerically evaluated the distribution of the medium evolved gluon spectra for different medium profiles. We have presented a calculation of the jet Q(AA) which quantifies a sensitivity of the inclusive jet suppression on the way how the medium expands. Comparisons of predicted jet Q(AA) with experimental data from the LHC are also presented.
引用
收藏
页数:6
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