One-loop Helicity Amplitudes for Top Quark Pair Production in Randall-Sundrum Model

Details One-loop Helicity Amplitudes for Top Quark Pair Production in Randall-Sundrum Model One-loop Helicity Amplitudes for Top Quark Pair Production in Randall-Sundrum Model

2011-06-11

arxiv.org/abs/1106.2243v2

JHEP 1109:043,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

37 pages, 10 figures, journal version

Scientific paper

10.1007/JHEP09(2011)043

In this paper, we show how to calculate analytically the one-loop helicity amplitudes for the process $q\bar{q} rightarrow t\bar{t}$ induced by KK gluon, using the spinor-helicity formalism. A minimal set of Feynman rules which are uniquely fixed by gauge invariance and the color representation of the KK gluon are derived and used in the calculation. Our results can be applied to a variety of models containing a massive color octet vector boson.

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