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- W1547428454 abstract "We examine the possibility for precise determination of |V_{ts}| (and |V_{td}/V_{ts}|) from the exclusive decays, $B --> K ell^+ ell^-, B --> K^* ell^+ ell^-$ (and $B --> pi ell^+ ell^-, B --> rho ell^+ ell^-$). We show that the ratio |V_{ts}| can be extracted experimentally with a small theoretical uncertainty from hadronic form--factors, if we {bf appropriately constrain} kinematical regions of $q^2$. We also give detailed analytical and numerical results on the differential decay width $dGamma(B --> K^* ell^+ ell^-)/dq^2$, and the ratios of integrated branching fractions, ${cal B}(B --> rho ell^+ ell^-)/{cal B}(B --> K^* ell^+ ell^-)$. We estimate that one can determine the ratio |V_{ts}| from those decays within theoretical accuracy of $sim 10%$." @default.
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- W1547428454 date "1998-11-01" @default.
- W1547428454 modified "2023-09-27" @default.
- W1547428454 title "Exclusive decays and determinations of (and )" @default.
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- W1547428454 doi "https://doi.org/10.1016/s0370-2693(98)01168-x" @default.
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