带涂抹质量的不稳定粒子模型中的因子分解方法
Factorization method in the model of unstable particles with a smeared mass
摘要:
基于不稳定粒子的质量模糊模型,将因子分解法应用于不稳定粒子处于中间态的过程。结果表明,在所提出的方法的框架内,衰变率和截面可以表示在一个任意的粒子集的通用因式分解的形式。不稳定粒子传播子的特殊结构导致了一个精确因子分解。我们对因子分解效应进行了唯象分析。
英文摘要:
The method of factorization, based on the model of unstable particles with a smeared mass, is applied to the processes with an unstable particle in the intermediate state. It was shown, that in the framework of the method suggested, the decay rate and cross-section can be represented in the universal factorized form for an arbitrary set of particles. An exact factorization is caused by the specific structure of unstable particles propagators. We performed the phenomenological analysis of the factorization effect.
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