Analysis of Various Polarization Asymmetries In The Inclusive $b\to s \ell^+ \ell^-$ Decay In The Fourth-Generation Standard Model

Details Analysis of Various Polarization Asymmetries In The Inclusive $b\to s \ell^+ \ell^-$ Decay In The Fourth-Generation Standard Model Analysis of Various Polarization Asymmetries In The Inclusive $b\to s \ell^+ \ell^-$ Decay In The Fourth-Generation Standard Model

2009-03-15

arxiv.org/abs/0903.2631v1

Eur.Phys.J.C61:451-459,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 Pages, 10 Figures, 3 Tables

Scientific paper

10.1140/epjc/s10052-009-1004-4

In this study a systematical analysis of various polarization asymmetries in inclusive $b \rar s \ell^+ \ell^-$ decay in the standard model (SM) with four generation of quarks is carried out. We found that the various asymmetries are sensitive to the new mixing and quark masses for both of the $\mu$ and $\tau$ channels. Sizeable deviations from the SM values are obtained. Hence, $b \rar s \ell^+ \ell^-$ decay is a valuable tool for searching physics beyond the SM, especially in the indirect searches for the fourth-generation of quarks ($t', b')$.

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