Multigluonic scattering amplitudes of heavy quarks

Details Multigluonic scattering amplitudes of heavy quarks Multigluonic scattering amplitudes of heavy quarks

2005-08-11

arxiv.org/abs/hep-ph/0508138v1

JHEP 0509:079,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages

Scientific paper

10.1088/1126-6708/2005/09/079

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.

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