Born amplitudes in QCD from scalar diagrams

6533b86dfe1ef96bd12ca125

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Born amplitudes in QCD from scalar diagrams

subject

High Energy Physics - Theory Quantum chromodynamics Quark Physics Nuclear and High Energy Physics Particle physics Computation High Energy Physics::Lattice High Energy Physics::Phenomenology Scalar (physics)Propagator FOS: Physical sciences Helicity Atomic and Molecular Physics and Optics Gluon Massless particle High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph)High Energy Physics - Theory (hep-th)High Energy Physics::Experiment

description

We review recent developments for the calculation of Born amplitudes in QCD. This includes the computation of gluon helicity amplitudes from MHV vertices and an approach based on scalar propagators and a set of three- and four-valent vertices. The latter easily generalizes to amplitudes with any number of quark pairs. The quarks may be massless or massive.

year	journal	country	edition	language
2005-10-06

https://dx.doi.org/10.48550/arxiv.hep-th/0510054

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