Multigluonic scattering amplitudes of heavy quarks

6533b859fe1ef96bd12b6e33

RESEARCH PRODUCT

Multigluonic scattering amplitudes of heavy quarks

subject

High Energy Physics - Theory Physics Quark Nuclear and High Energy Physics Top quark Particle physics High Energy Physics::Lattice Nuclear Theory High Energy Physics::Phenomenology FOS: Physical sciences Física Helicity Gluon Scattering amplitude High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph)Amplitude High Energy Physics - Theory (hep-th)Higgs boson Effective field theory High Energy Physics::Experiment Nuclear Experiment

description

We consider heavy quark and antiquark off-shell spinorial currents with emission of an arbitrary number of gluons of positive helicity. From this results we calculate the corresponding on-shell scattering amplitude and the quark-antiquark vector current. Then, we show that in the heavy top quark effective theory the holomorfic component of the Higgs $\to q \bar{q} + n$-gluon amplitude vanish for helicity conserving configurations.

year	journal	country	edition	language
2005-08-11	Journal of High Energy Physics

https://doi.org/10.1088/1126-6708/2005/09/079

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