Study of $B \to K_0^* (1430)\ell\bar{\ell} $ Decays

Details Study of $B \to K_0^* (1430)\ell\bar{\ell} $ Decays Study of $B \to K_0^* (1430)\ell\bar{\ell} $ Decays

2007-03-09

arxiv.org/abs/hep-ph/0703106v2

Phys.Rev.D75:074010,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 4 figures, final version published in PRD

Scientific paper

10.1103/PhysRevD.75.074010

We examine the exclusive rare decays of $B \to K_{0}^*(1430)\ell\bar{\ell} $ with $K_{0}^*(1430)$ being the p-wave scalar meson and $\ell=\nu,e,\mu,\tau$ in the standard model. The form factors for the $B\to K_{0}^{*}$ transition matrix elements are evaluated in the light front quark model. For the decays of $B \to K_{0}^*\ell\bar{\ell}$, the branching ratios are found to be $(11.6,1.63,1.62,0.029)\times 10^{-7}$ with $\ell=(\nu,e,\mu,\tau)$ and the integrated longitudinal lepton polarization asymmetries $(-0.97,-0.95,-0.03)$ with $\ell=(e,\mu,\tau)$, respectively.

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