Secondary particles spectra in the decay of a polarized top quark with anomalous $tWb$ coupling

Details Secondary particles spectra in the decay of a polarized top quark with anomalous $tWb$ coupling Secondary particles spectra in the decay of a polarized top quark with anomalous $tWb$ coupling

2006-01-19

arxiv.org/abs/hep-ph/0601155v3

J.Phys.G34:39-46,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 5 figures

Scientific paper

10.1088/0954-3899/34/1/003

Analytic expression for energy and angular dependence of a secondary charged lepton in the decay of a polarized top quark with anomalous $tWb$ couplings in the presence of all anomalous couplings are derived. The angular distribution of the b-quark is derived as well. It is presented that the charged lepton spin correlation coefficient is not very sensitive to the anomalous couplings. However, the b-quark spin correlation coefficient is sensitive to anomalous couplings and could be used as a powerful tool for searching of non-SM coupling.

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