Sudakov否决算法的改进
The Sudakov Veto Algorithm Reloaded
摘要：
我们进行了仔细的分析，部分子簇模拟中使用的主要蒙特卡罗算法，Sudakov否决算法。我们证明了一个一般版本的算法，直接包括依赖于红外截止。以此为出发点，我们然后考虑非正定分裂内核，当处理子领先的颜色相关性或分裂内核超出领先秩序时遇到的。开发了适合这些情况的新算法。
英文摘要：
We perform a careful analysis of the main Monte Carlo algorithm used in parton shower simulations, the Sudakov veto algorithm. We prove a general version of the algorithm, directly including the dependence on the infrared cutoff. Taking this as a starting point, we then consider non-positive definite splitting kernels, as encountered when dealing with sub-leading colour correlations or splitting kernels beyond leading order. New algorithms suited for these situations are developed.
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