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arXiv 1301.4563hep-phnucl-th
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极长夸克-胶子等离子体中的部分子能量损失

Parton Energy Loss in the Extremely Prolate Quark-Gluon Plasma

Margaret E. Carrington, Katarzyna Deja, Stanislaw Mrowczynski

摘要:

作为一个初值问题,研究了高能部分子在弱耦合夸克-胶子等离子体中弹性散射的单位路径能量损失。该方法的目的是研究不稳定的等离子体,但在平衡等离子体的情况下,众所周知的结果再现。作为不稳定系统的一个例子,这里考虑了一个极长等离子体,其中动量分布沿一个方向无限拉长。能量损失是强烈的时间和方向依赖性,其幅度可以远远超过平衡等离子体中的能量损失。

英文摘要:

The energy loss per unit path length of a highly energetic parton scattering elastically in a weakly coupled quark-gluon plasma is studied as an initial value problem. The approach is designed to study unstable plasmas but in the case of an equilibrium plasma the well known result is reproduced. As an example of an unstable system, an extremely prolate plasma, where the momentum distribution is infinitely elongated along one direction, is considered here. The energy loss is shown to be strongly time and directionally dependent and its magnitude can much exceed the energy loss in equilibrium plasma.

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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