Journal
COMPUTER PHYSICS COMMUNICATIONS
Volume 180, Issue 11, Pages 2317-2330Publisher
ELSEVIER
DOI: 10.1016/j.cpc.2009.06.024
Keywords
NLO computations; One-loop diagrams; QCD; Hadron colliders
Funding
- STFC [PP/D00621X/2, ST/G000522/1] Funding Source: UKRI
- Science and Technology Facilities Council [PP/D00621X/2, ST/G000522/1] Funding Source: researchfish
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We present a program for the numerical evaluation of form factors entering the calculation of one-loop amplitudes with up to six external legs. The program is written in Fortran95 and performs the reduction to a certain set of basis integrals numerically. using a formalism where inverse Gram determinants can be avoided. It can be used to Calculate one-loop amplitudes with massless internal particles in a fast and numerically stable way.
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