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Thermalization phenomenon in hadron physics

机译:强子物理学中的热化现象

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This report describes nonequilibrium processes using the example of multiple hadron production in which the attainment of the thermodynamic equilibrium is brought about by dissipation of the kinetic energy of the colliding particles into the hadron masses. The dynamic peculiarities of these processes are limited by the need to take into account the constraints responsible for the 'nonescape' of color charge, so that, generally speaking, the formation of a thermalized state is a fairly rare event. The necessary and sufficient condition for a meaningful description of such processes has been found. By its very meaning this condition is similar to the 'correlations depression' condition which, according to N Bogolyubov, comes into play as an equilibrium state is approached by the system. Physically, such a situation occurs in highly multiple production processes. The first experimental indications of the possibility of observing thermalization phenomena are given.
机译:该报告以多强子生产为例描述了非平衡过程,其中通过将碰撞颗粒的动能耗散到强子质量中来实现热力学平衡。这些过程的动态特性受到需要考虑到导致色电荷“无界”的限制的限制,因此,一般而言,形成热态的情况相当罕见。已经找到了有意义地描述这种过程的必要和充分条件。从其意义上来说,该条件类似于“相关性下降”条件,据N Bogolyubov所述,随着系统趋于平衡状态,该条件开始起作用。从物理上讲,这种情况发生在高度多个生产过程中。给出了观察热化现象可能性的第一个实验指示。

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