Search for jet quenching effects on the plain jet mass in Pb plus Pb collisions at the LHC with a multiphase transport model

被引：1
|
作者：
Duan, Xiang-Pan [1 ,2 ,3 ]
Ma, Guo-Liang [1 ,2 ,3 ]
机构：
[1] Fudan Univ, Inst Modern Phys, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200433, Peoples R China
[2] NSFC, Shanghai Res Ctr Theoret Nucl Phys, Shanghai 200438, Peoples R China
[3] Fudan Univ, Shanghai 200438, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL A | 2023年 / 59卷 / 03期
基金：
中国国家自然科学基金;
关键词：
LARGE-TRANSVERSE-MOMENTUM; MONTE-CARLO; PARTICLE-PRODUCTION; QUARK; PARTON; DISTRIBUTIONS; SUPPRESSION; MATTER; PP;
D O I：
10.1140/epja/s10050-023-00970-4
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：
The plain jet mass distributions of reconstructed jets are investigated in p+p and 0-10% most central Pb+Pb collisions at vsNN = 2.76 TeV using a dynamical multiphase transport model with a string melting mechanism. It is observed that the mean charged jet mass increases with increasing jet transverse momentum and jet radius in central Pb+Pb collisions. It is demonstrated that the plain jet mass of reconstructed partonic jet is shifted to a higher value after the evolution of partonic stage due to jet quenching in central Pb+Pb collisions. However, the jet mass shift effect is strongly weakened by non-perturbative effects from hadronization and hadronic rescatterings. This makes it difficult to observe significant hot medium modification effects on the plain jet mass distribution in the final state of relativistic heavy-ion collisions.
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页数：9
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