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arXiv · hep-th/0402016

A Googly Amplitude from the B-model in Twistor Space

Radu Roiban·Marcus Spradlin·Anastasia Volovich
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Abstract

Recently it has been proposed that gluon scattering amplitudes in gauge theory can be computed from the D-instanton expansion of the topological B-model on P^{3|4}, although only maximally helicity violating (MHV) amplitudes have so far been obtained from a direct B-model calculation. In this note we compute the simplest non-MHV gluon amplitudes (++--- and +-+--) from the B-model as an integral over the moduli space of degree 2 curves in P^{3|4} and find perfect agreement with Yang-Mills theory.

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Radu Roiban, Marcus Spradlin, Anastasia Volovich. 2004-03-24. A Googly Amplitude from the B-model in Twistor Space. https://doi.org/10.1088/1126-6708%2F2004%2F04%2F012

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