计算包含强子截面的统计模型
A statistical model to calculate inclusive hadronic cross sections
摘要：
强子截面是高能核物理中许多正在进行的研究方法的重要组成部分，并且测量和/或计算不同类型反应的概率总是很重要的。在几个GeV能量的重离子输运模拟中，这些强子截面是必不可少的，到目前为止，大多数情况下使用的是排它过程，然而，如果对总产生率感兴趣，也有必要知道包含的截面。在本文中，我们介绍了一种基于几何的方法，它能够在几个GeV的能量范围内对排他性和包容性截面给出很好的估计。该方法及其对不为人所知的截面的估计，将用于解释重离子碰撞中粲偶素和底偶素质量移动的Boltzmann-Uehling-Uhlenbeck（BUU）型离壳层输运程序.
英文摘要：
Hadronic cross sections are important ingredients in many of the ongoing research methods in high-energy nuclear physics, and it is always important to measure and/or calculate the probabilities of different types of reactions. In heavy-ion transport simulations at a few GeV energies, these hadronic cross sections are essential and so far mostly the exclusive processes are used, however, if one interested in total production rates the inclusive cross sections are also necessary to know. In this paper, we introduce a statistical-based method, which is able to give good estimates to exclusive and inclusive cross sections as well in the energy range of a few GeV. The method and its estimates for not well-known cross sections, will be used in a Boltzmann-Uehling-Uhlenbeck (BUU) type off-shell transport code to explain charmonium and bottomonium mass shifts in heavy-ion collisions.
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