Analytic all-plus-helicity gluon amplitudes in QCD
- 19 December 2017
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 96 (11) , 116013
Abstract
We detail the calculation of two-loop all-plus-helicity amplitudes for pure Yang-Mills theory. The four-dimensional unitarity methods and augmented recursion techniques we have developed, together with a knowledge of the singular structure of the amplitudes, allow us to compute these in compact analytic forms. Specifically we present the computation and analytic results for the six- and seven-gluon leading color two-loop amplitudes, these being the first QCD two-loop amplitudes beyond five points.Keywords
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Funding Information
- Science and Technology Facilities Council (ST/L000369/1, ST/M503848/1)
- Swansea University
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