论文标题

部分可观测时空混沌系统的无模型预测

Bremsstrahlung photon from a hadronizing quark-gluon plasma

论文作者

Song, Taesoo

论文摘要

假设夸克和古quark的数量在强发化过程中是分别保守的,我们会从强化的夸克 - 杜松等血浆中计算Bremsstrahung Photon。夸克和古quark数是从统计模型中的强子编号中获得的,并且从约束条件中进行了强扎的过渡幅度,即在强发化中必须消耗所有夸克和古quark。然后,在软光子近似中获得了来自强扎的Bremsstrahlung光子,我们发现其对低能重型离子碰撞的直接光子的贡献以及在夸克 - 胶原等质量(QGP)寿命的外围碰撞中的贡献相对短。

Assuming that quark and antiquark numbers are separately conserved during hadronization, we calculate Bremsstrahlung photon from a hadronizing quark-gluon plasma. The quark and antiquark numbers are obtained from the hadron numbers in the statistical model and the transition amplitudes for the hadronization from the constraint that all quarks and antiquarks must be consumed in the hadronization. Then Bremsstrahlung photon from the hadronization is obtained in the soft photon approximation, and we find that its contribution to the direct photon increases in low-energy heavy-ion collisions and in peripheral collisions where the lifetime of a quark-gluon plasma (QGP) is relatively short.

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