A New Method for Computing Helicity Amplitudes

Details A New Method for Computing Helicity Amplitudes A New Method for Computing Helicity Amplitudes

1994-04-06

arxiv.org/abs/hep-ph/9404223v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in Proceedings Nonlinear Phenomena in Complex Systems. Polatsk Belarus. February 94 - 8 pages, 2 figs. using feynman

Scientific paper

An helicity formalism for perturbative calculations is presented. It is based
on the formal insertion in spinor lines of a complete set of states built up
with unphysical spinors. It is particularly convenient when massive spinors are
present. Its application to $e^+\,e^-\,\rightarrow b\,\bar b\,W^+W^-$ is
briefly discussed.

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