Non-Supersymmetric Loop Amplitudes and MHV Vertices

Details Non-Supersymmetric Loop Amplitudes and MHV Vertices Non-Supersymmetric Loop Amplitudes and MHV Vertices

2004-12-10

arxiv.org/abs/hep-th/0412108v2

Nucl.Phys.B712:59-85,2005

Physics

High Energy Physics

High Energy Physics - Theory

31 pages, 5 figures, Typos Corrected

Scientific paper

10.1016/j.nuclphysb.2005.01.032

We show how the MHV diagram description of Yang-Mills theories can be used to study non-supersymmetric loop amplitudes. In particular, we derive a compact expression for the cut-constructible part of the general one-loop MHV multi-gluon scattering amplitude in pure Yang-Mills theory. We show that in special cases this expression reduces to known amplitudes - the amplitude with adjacent negative-helicity gluons, and the five gluon non-adjacent amplitude. Finally, we briefly discuss the twistor space interpretation of our result.

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