Complete Six-Gluon Disk Amplitude in Superstring Theory

Details Complete Six-Gluon Disk Amplitude in Superstring Theory Complete Six-Gluon Disk Amplitude in Superstring Theory

2007-11-28

arxiv.org/abs/0711.4354v3

Nucl.Phys.B801:128-152,2008

Physics

High Energy Physics

High Energy Physics - Theory

29 pages, harvmac, v2: Appendix B3 added, v3: Final version to appear in NPB

Scientific paper

10.1016/j.nuclphysb.2008.04.026

We evaluate all next-to-maximal helicity violating (NMHV) six-gluon amplitudes in type I open superstring theory in four dimensions, at the disk level, to all orders in alpha'. Although the computation utilizes supersymmetric Ward identities, the result holds for all compactifications, even for those that break supersymmetry and is completely model-independent. Together with the maximally helicity violating (MHV) amplitudes presented in the previous work, our results provide the complete six-gluon disk amplitude.

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