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FMFT: fully massive four-loop tadpoles
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DOI：10.1016/j.cpc.2017.11.017.png)
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摘要
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We present FMFT - a package written in FORM that evaluates four-loop fully massive tadpole Feynman diagrams. It is a successor of the MATAD package that has been successfully used to calculate many renormalization group functions at three-loop order in a wide range of quantum field theories especially in the Standard Model. We describe an internal structure of the package and provide some examples of its usage. Program summary Program Title: FMFT Program Files doi: http://dx.doi.org/10.17632/yf5pg77gy4.1 Licensing provisions: GPLv3 Programming language: FORM Nature of problem: Reduction of all kinds of fully massive four-loop vacuum integrals to the small set of master integrals. Solution method: Reduction by means of explicit solution for IBP relations for topologies X,H and BMW. Representation of integrals from topology FG as convolution of one-loop and two-loop massive propagator-type integrals, each reduced separately using generalized dimensional recurrence-relations. Additional comments: Available for download from URL: https://github.com/apik/fmft/ (C) 2017 Elsevier B.V. All rights reserved.
Keyword:
IBP reduction
Loop integrals
Four-loop
Massive tadpoles
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3.4
论文数:
1.2W
被引数:
3.7W
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