Direct numerical computation and its application to the higher-order radiative corrections

被引：1
|
作者：
Kato, K. [1 ]
de Doncker, E. [2 ]
Ishikawa, T. [3 ]
Yuasa, F. [3 ]
机构：
[1] Kogakuin Univ, Shinjuku Ku, Tokyo 1638677, Japan
[2] Western Michigan Univ, 1903 West Michigan Ave, Kalamazoo, MI 49008 USA
[3] KEK, Tsukuba, Ibaraki 3050801, Japan
来源：
18TH INTERNATIONAL WORKSHOP ON ADVANCED COMPUTING AND ANALYSIS TECHNIQUES IN PHYSICS RESEARCH (ACAT2017) | 2018年 / 1085卷
基金：
美国国家科学基金会;
关键词：
LOOP INTEGRALS; DIAGRAMS; LIBRARY;
D O I：
10.1088/1742-6596/1085/5/052002
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The direct computation method(DCM) is developed to calculate the multi-loop amplitude for general masses and external momenta. The ultraviolet divergence is under control in dimensional regularization. In this paper we report on the progress of DCM to several scalar multi-loop integrals after the presentation in ACAT2016. Also the discussion is given on the application of DCM to physical 2-loop processes including numerator functions.
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页数：5
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