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hep-th2021★ 14 cited
Universal expansions of scattering amplitudes for gravitons, gluons and Goldstone particles
Jin Dong, Song He, Linghui Hou
Tree-level scattering amplitudes for gravitons, gluons and Goldstone particles in any dimensions are strongly constrained by basic principles, and they are intimately related to ea…
hep-th2021★ 21 cited
Kinematic numerators from the worldsheet: cubic trees from labelled trees
Song He, Linghui Hou, Jintian Tian +1
In this note we revisit the problem of explicitly computing tree-level scattering amplitudes in various theories in any dimension from worldsheet formulas. The latter are known to…