The Next-to-Leading Order Corrections to Top Quark Decays to Heavy Quarkonia

Details The Next-to-Leading Order Corrections to Top Quark Decays to Heavy Quarkonia The Next-to-Leading Order Corrections to Top Quark Decays to Heavy Quarkonia

2010-03-28

arxiv.org/abs/1003.5360v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 7 figures. Typos and misspellings are corrected, numerical results and conclusions remain

Scientific paper

The decay widths of top quark to S-wave $b\bar{c}$ and $b\bar{b}$ bound states are evaluated at the next-to-leading(NLO) accuracy in strong interaction. Numerical calculation shows that the NLO corrections to these processes are remarkable. The quantum chromodynamics(QCD) renormalization scale dependence of the results are obviously depressed, and hence the uncertainties lying in the leading order calculation are reduced.

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