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arXiv 0806.3092nucl-th
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0阶重夸克光子韧致辐射

0th Order Heavy Quark Photon Bremsstrahlung

W. A. Horowitz

摘要:

本文计算了重夸克产生辐射中包含远侧喷注干扰的大质量光子(胶子)的0阶不透明度数分布。虽然与软光子(胶子)近似一致,我们发现,近似1-x与1,在以前的计算中所做的,强烈影响的能量损失的幅度。恢复规范不变性,包括辐射与远离侧喷流填充在“死锥”,但是一个相对较小的影响。对于5-25 GeV的粲夸克和底夸克,真空能量损失的Ter-Mikayelian约化为10-40%。

英文摘要:

We calculate the 0th order in opacity number distribution of massive photons (gluons) for heavy quark production radiation including interference from the away-side jet. While consistent with the soft photon (gluon) approximation, we find that approximating 1-x with 1, as done in previous calculations, strongly affects the magnitude of energy loss. Restoring gauge invariance by including the radiation associated with the away-side jet fills in the "dead cone," but is a relatively small effect. The Ter-Mikayelian reduction from vacuum energy loss is 10-40% for 5-25 GeV charm and bottom quarks.

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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