All-Multiplicity Amplitudes with Massive Scalars
Darren Forde, David A. Kosower
TL;DR
This paper calculates specific tree-level scattering amplitudes involving massive scalars and multiple gluons, aiding one-loop calculations in non-supersymmetric gauge theories like QCD.
Contribution
It introduces explicit formulas for all-multiplicity amplitudes with massive scalars and gluons of specific helicities, expanding computational tools in gauge theory.
Findings
Derived formulas for all-gluon identical helicity amplitudes
Provided results for amplitudes with one opposite-helicity gluon
Facilitated unitarity-based one-loop calculations in QCD
Abstract
We compute two infinite series of tree-level amplitudes with a massive scalar pair and an arbitrary number of gluons. We provide results for amplitudes where all gluons have identical helicity, and amplitudes with one gluon of opposite helicity. These amplitudes are useful for unitarity-based one-loop calculations in nonsupersymmetric gauge theories generally, and QCD in particular.
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