SUSY QCD one-loop effects in (un)polarized top-pair production at hadron colliders

Details SUSY QCD one-loop effects in (un)polarized top-pair production at hadron colliders SUSY QCD one-loop effects in (un)polarized top-pair production at hadron colliders

2007-03-01

arxiv.org/abs/hep-ph/0703016v1

Phys.Rev.D76:034016,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

56 pages, 29 figures, RevTeX4

Scientific paper

10.1103/PhysRevD.76.034016

We study the effects of O(alpha_s) supersymmetric QCD (SQCD) corrections on the total production rate and kinematic distributions of polarized and unpolarized top-pair production in pp and p anti-p collisions. At the Fermilab Tevatron p anti-p collider, top-quark pairs are mainly produced via quark-antiquark annihilation, q anti-q -> t anti-t, while at the CERN LHC pp collider gluon-gluon scattering, g g -> t anti-t, dominates. We compute the complete set of O(alpha_s) SQCD corrections to both production channels and study their dependence on the parameters of the Minimal Supersymmetric Standard Model. In particular, we discuss the prospects for observing strong, loop-induced SUSY effects in top-pair production at the Tevatron Run II and the LHC.

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