Recognition: unknown
Multigluonic scattering amplitudes of heavy quarks
classification
✦ hep-ph
hep-th
keywords
heavyamplitudehelicityquarkscatteringamplitudesantiquarkarbitrary
read the original abstract
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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