The Unitarity Method using a Canonical Basis Approach

Abstract

Various implementations of the Unitarity method have been developed to compute one-loop amplitudes in gauge theories. In this paper we present an implementation which uses canonical forms to generate the rational coefficients of the basis integral functions. As an example, we present the results for the N=1 contribution to seven gluon scattering in closed, rational, analytic form.

45 pages, citations added, minor changes to text

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Cited by in corpus (17)

• Two-loop five-point all plus helicity Yang-Mills amplitude
• Analytic all-plus-helicity gluon amplitudes in QCD
• $n$-point amplitudes with a single negative-helicity graviton
• The two-loop n-point all-plus helicity amplitude
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• All one-loop NMHV gluon amplitudes in N=1 SYM
• Scattering amplitudes in gauge theories with and without supersymmetry
• Integrands of Less-Supersymmetric Yang-Mills at One Loop