Three-loop helicity amplitudes for quark-gluon scattering in QCD

Abstract We compute the three-loop helicity amplitudes for q q ¯ $$ q\overline{q} $$ → gg and its crossed partonic channels, in massless QCD. Our analytical results provide a non-trivial check of the color quadrupole contribution to the infrared poles for external states in different color represent...

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Principais autores:	Fabrizio Caola, Amlan Chakraborty, Giulio Gambuti, Andreas von Manteuffel, Lorenzo Tancredi
格式:	Artigo
語言:	Inglês
出版:	SpringerOpen 2022-12-01
叢編:	Journal of High Energy Physics
主題:	Higher-Order Perturbative Calculations Scattering Amplitudes Specific QCD Phenomenology
在線閱讀:	https://doi.org/10.1007/JHEP12(2022)082
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