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Article Dans Une Revue Computer Physics Communications Année : 2011

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

Résumé

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.

Dates et versions

hal-00705940 , version 1 (08-06-2012)

Identifiants

Citer

G. Cullen, J. -Ph. Guillet, G. Heinrich, T. Kleinschmidt, E. Pilon, et al.. Golem95C: A library for one-loop integrals with complex masses. Computer Physics Communications, 2011, 182 (10), pp.2276-2284. ⟨10.1016/j.cpc.2011.05.015⟩. ⟨hal-00705940⟩
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