High Energy Physics - Phenomenology
[Submitted on 3 Sep 2012
]
Title: The Dimensional Recurrence and Analyticity Method for Multicomponent Master Integrals: Using Unitarity Cuts to Construct Homogeneous Solutions
Title: 多组分主积分的维数递推与解析方法：使用单位性切割构造齐次解
Abstract: We consider the application of the DRA method to the case of several master integrals in a given sector. We establish a connection between the homogeneous part of dimensional recurrence and maximal unitarity cuts of the corresponding integrals: a maximally cut master integral appears to be a solution of the homogeneous part of the dimensional recurrence relation. This observation allows us to make a necessary step of the DRA method, the construction of the general solution of the homogeneous equation, which, in this case, is a coupled system of difference equations.
Submission history
From: Roman Nikolaevich Lee [view email][v1] Mon, 3 Sep 2012 13:15:49 UTC (105 KB)
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