Unusual identities for QCD at tree-level

Details Unusual identities for QCD at tree-level Unusual identities for QCD at tree-level

2011-01-28

arxiv.org/abs/1101.5555v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at XIV Mexican School on Particles and Fields, Morelia, Nov. 2010

Scientific paper

We discuss a set of recently discovered quadratic relations between gauge theory amplitudes. Such relations give additional structural simplifications for amplitudes in QCD. Remarkably, their origin lie in an analogous set of relations that involve also gravitons. When certain gluon helicities are flipped we obtain relations that do not involve gravitons, but which refer only to QCD.

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