Expanding single trace YMS amplitudes with gauge invariant coefficients

2023/06/26 by Fang-Stars Wei, Wei, Fang-Stars, Kang Zhou +1 · 2 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Particle physics theoretical and experimental studies #Cosmology and Gravitation Theories

paper · pdf · doi:10.48550/arxiv.2306.14774

Abstract

In this note, we use the new bottom up method based on soft theorems to construct the expansion of single-trace Yang-Mills-scalar amplitudes recursively. The resulted expansion manifests the gauge invariance for any polarization carried by external gluons, as well as the permutation symmetry among external gluons. Our result is equivalent to that found by Clifford Cheung and James Mangan via the so called covariant color-kinematic duality approach.

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