BOKASUN: a fast and precise numerical program to calculate the Master Integrals of the two-loop sunrise diagrams

Details BOKASUN: a fast and precise numerical program to calculate the Master Integrals of the two-loop sunrise diagrams BOKASUN: a fast and precise numerical program to calculate the Master Integrals of the two-loop sunrise diagrams

2008-07-12

arxiv.org/abs/0807.1959v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1016/j.cpc.2008.10.011

We present the program BOKASUN for fast and precise evaluation of the Master
Integrals of the two-loop self-mass sunrise diagram for arbitrary values of the
internal masses and the external four-momentum. We use a combination of two
methods: a Bernoulli accelerated series expansion and a Runge-Kutta numerical
solution of a system of linear differential equations.

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