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arXiv 0907.4706hep-ph
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介质中急流阵雨的Monte Carlo模拟

Monte Carlo for Jet Showers in the Medium

Nestor Armesto, Leticia Cunqueiro, Carlos A. Salgado

摘要:

最常用的辐射能量损失形式是在高能近似下导出的.在目前的形式,它是可靠的,只有中等修改的包容性粒子谱。对这种形式主义的修改,预计将是重要的包容性较低的测量。这对于重离子碰撞中的重建喷流尤其重要,因为这种方法最近才开始出现。我们提出了一些想法,以克服这一限制。具体来说,我们展示了一个实施中的喷射部分子簇射辐射能量损失。该实现已在PYTHIA Monte Carlo事件生成器中完成。我们提出了公开可用的常规Q-PYTHIA和讨论所获得的一些物理结果。

英文摘要:

The most commonly employed formalisms of radiative energy loss have been derived in the high- energy approximation. In its present form, it is reliable only for the medium modifications of inclusive particle spectra. Modifications to this formalism are expected to be important for less inclusive measurements. This is especially relevant for reconstructed jets in heavy-ion collisions, which are becoming available only recently. We present some ideas to overcome this limitation. Specifically, we show an implementation of radiative energy loss within a jet parton shower. This implementation has been done within the PYTHIA Monte Carlo event generator. We present the publicly available routine Q-PYTHIA and discuss some of the obtained physics results.

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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