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Golem95C: A library for one-loop integrals with complex masses | | G.Cullen
; J.-Ph.Guillet
; G.Heinrich
; T.Kleinschmidt
; E.Pilon
; T.Reiter
; M.Rodgers
; | | Date: |
28 Jan 2011 | | Abstract: | 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. | | Source: | arXiv, 1101.5595 | | Services: | Forum | Review | PDF | Favorites | |
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