Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-12-09
Physics Reports494:1-196, 2010; Phys.Rept.494:1-196,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
311 pages, latex with style files hvdashln.sty and axodraw.sty. Version 2 is a substantial enhancement that adds 53 additional
Scientific paper
10.1016/j.physrep.2010.05.002
Two-component spinors are the basic ingredients for describing fermions in quantum field theory in four space-time dimensions. We develop and review the techniques of the two-component spinor formalism and provide a complete set of Feynman rules for fermions using two-component spinor notation. These rules are suitable for practical calculations of cross-sections, decay rates, and radiative corrections in the Standard Model and its extensions, including supersymmetry, and many explicit examples are provided. The unified treatment presented in this review applies to massless Weyl fermions and massive Dirac and Majorana fermions. We exhibit the relation between the two-component spinor formalism and the more traditional four-component spinor formalism, and indicate their connections to the spinor helicity method and techniques for the computation of helicity amplitudes.
Dreiner Herbi K.
Haber Howard E.
Martin Stephen P.
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