Towards automatic analytic evaluation of massive Feynman diagrams

被引：16

作者：

Avdeev, LV ^{[1
]}

Fleischer, J ^{[1
]}

Kalmykov, MY ^{[1
]}

Tentyukov, M ^{[1
]}

机构：

[1] UNIV BIELEFELD,FAK PHYS,D-33615 BIELEFELD 1,GERMANY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1997年 / 389卷 / 1-2期

基金：

日本学术振兴会;

关键词：

Standard Model; asymptotic expansion; anomalous magnetic moment;

D O I：

10.1016/S0168-9002(97)00125-3

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A method to calculate two-loop self-energy diagrams of the Standard Model is demonstrated. A direct physical application is the calculation of the two-loop electroweak contribution to the anomalous magnetic moment of the muon 1/2(g-2)(mu). Presently we confine ourselves to a ''toy'' model with only mu, gamma and a scalar particle (Higgs). The algorithm is implemented as a package of computer programs in FORM. For generating and automatically evaluating any number of two-loop self-energy diagrams, a special C-program has been written. This program creates the initial FORM-expression for every diagram generated by QGRAF, executes the corresponding subroutines and sums up the final results.

引用

页码：343 / 346

页数：4

共 18 条

[1] ZERO-THRESHOLD EXPANSION OF 2-LOOP SELF-ENERGY DIAGRAMS [J].