A recursive method for SYM n-point tree amplitudes

Abstract

We present a recursive method for super Yang-Mills color-ordered n-point tree amplitudes based on the cohomology of pure spinor superspace in ten space-time dimensions. The amplitudes are organized into BRST covariant building blocks with diagrammatic interpretation. Manifestly cyclic expressions (no longer than one line each) are explicitly given up to n=10 and higher leg generalizations are straightforward.

7 pages, RevTeX; final version to appear in PRD

References in corpus (6)

• New Relations for Gauge-Theory Amplitudes
• Explicit BCJ Numerators from Pure Spinors
• Lectures on Twistor Strings and Perturbative Yang-Mills Theory
• Six Open String Disk Amplitude in Pure Spinor Superspace
• Towards Field Theory Amplitudes From the Cohomology of Pure Spinor Superspace
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