Golem95C: A library for one-loop integrals with complex masses

Autor:	Cullen, G., Guillet, J. -Ph., Heinrich, G., Kleinschmidt, T., Pilon, E., Reiter, T., Rodgers, M.
Rok vydání:	2011
Předmět:	High Energy Physics - Phenomenology
Druh dokumentu:	Working Paper
DOI:	10.1016/j.cpc.2011.05.015
Popis:	We present a program for the numerical evaluation of scalar integrals and tensor form factors entering the calculation of one-loop amplitudes which supports the use of complex masses in the loop integrals. The program is built on an earlier version of the golem95 library, which performs the reduction to a certain set of basis integrals using a formalism where inverse Gram determinants can be avoided. It can be used to calculate one-loop amplitudes with arbitrary masses in an algebraic approach as well as in the context of a unitarity-inspired numerical reconstruction of the integrand. Comment: 22 pages, 3 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1101.5595 Zobrazit plný text záznamu View this record from Arxiv