What can we learn from $B^{+}\to D^{(*)-}_{s} K^{+} π^{+}$, $B_{d}\to D_{s}^{(*)-} K^{0} π^{+}$ and $B_{d}\to D_{s}^{(*)-} K^{*+}$ decays?

Details What can we learn from $B^{+}\to D^{(*)-}_{s} K^{+} π^{+}$, $B_{d}\to D_{s}^{(*)-} K^{0} π^{+}$ and $B_{d}\to D_{s}^{(*)-} K^{*+}$ decays? What can we learn from $B^{+}\to D^{(*)-}_{s} K^{+} π^{+}$, $B_{d}\to D_{s}^{(*)-} K^{0} π^{+}$ and $B_{d}\to D_{s}^{(*)-} K^{*+}$ decays?

2003-01-20

arxiv.org/abs/hep-ph/0301154v3

Phys.Lett. B560 (2003) 178-187

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 4 figures, Revtex4, version to appear in PLB

Scientific paper

10.1016/S0370-2693(03)00398-8

We study the nonresonant three-body decays of $B^{+}\to D^{(*)-}_{s} K^{+} \pi^{+}$ and $B_{d}\to D_{s}^{(*)-} K^{0} \pi^{+}$. We find that these decays can provide the information on the time-like form factors of $D^{(*)}_{s} K$. We also explicitly investigate $B_{d}\to D_{s}^{(*)-} K^{*+}$ decays by discriminating the nonresonant contributions with the unknown $D^{(*)}_{s}$ wave functions being fixed by the measured mode of $B_{d}\to D_{s}^{-} K^{+}$.

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