标题： 重夸克的多胶子散射振幅 显示英文标题

标题： Multigluonic scattering amplitudes of heavy quarks

摘要： 我们考虑带有任意数量正螺旋度胶子发射的重夸克和反夸克非定态旋量流。 由此结果我们计算相应的定态散射振幅和夸克-反夸克矢量流。 然后，我们表明在重顶夸克有效理论中，希格斯$\to q \bar{q} + n$-胶子振幅的全纯部分对于守恒螺旋度配置消失。 显示英文摘要

摘要： 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.