Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-02-08
Comput.Phys.Commun. 132 (2000) 306-315
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages
Scientific paper
10.1016/S0010-4655(00)00151-X
HELAC is a FORTRAN based package that is able to compute efficiently helicity amplitudes for arbitrary scattering processes within the standard electroweak theory. The algorithm exploits the virtues of the Dyson-Schwinger equations as compared to the traditional Feynman graph approach. All electroweak vertices are included in both the unitary and Feynman gauges, and computations including all mass effects are available. A version performing multi-precision computations with arbitrary - user defined - accuracy is also included, allowing access to any phase space point for arbitrary high energies.
Kanaki Aggeliki
Papadopoulos Costas G.
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