PSS: A FORM Program to Evaluate Pure Spinor Superspace Expressions

preprint2010arXivOpen access

Abstract

A FORM program which is used to efficiently expand in components pure spinor superfield expressions of kinematic factors is presented and comments on how it works are made. It is highly customizable using the standard features of FORM and can be used to help obtaining superstring effective actions from the scattering amplitudes computed with the pure spinor formalism.

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