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arXiv 1408.6705hep-phnucl-th
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热化粲对重夸克能量损失的影响

Effect of thermalized charm on heavy quark energy loss

Souvik Priyam Adhya, Mahatsab Mandal, Sreemoyee Sarkar, Pradip K. Roy, Sukalyan Chattopadhyay

摘要:

最近在大型强子对撞机(LHC)上对$J/ψ$流的实验结果表明,在夸克-胶子等离子体中存在着大量的粲夸克,它们可能是热化的。本文研究了热化粲夸克对QCD耦合常数中重夸克能量损失到首阶的影响。结果表明,由于热粲夸克的加入,粲夸克的能量损失增加。运行耦合也被实施来研究重夸克能量损失,我们发现,由于在更高的温度下实现在LHC能量的重-重散射的重夸克能量损失适度增加。

英文摘要:

The recent experimental results on the flow of $J/ψ$ at LHC show that ample amount of charm quarks is present in the quark gluon plasma and probably they are thermalized. In the current study we investigate the effect of thermalized charm quarks on the heavy quark energy loss to leading order in the QCD coupling constant. It is seen that the energy loss of charm quark increases due to the inclusion of thermal charm quarks. Running coupling has also been implemented to study heavy quark energy loss and we find a modest increase in the heavy quark energy loss due to heavy-heavy scattering at higher temperature to be realized at LHC energies.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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