What can we learn from $B^{+}\to D_s^{(\ast )-}{K}^{+}{\pi }^{+}$, $B_d\to D_s^{(\ast )-}{K}^0{\pi }^{+}$ and $B_d\to D_s^{(\ast )-}{K}^{\ast +}$ decays?

Abstract

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

arXiv comment14 pages, 4 figures, Revtex4, version to appear in PLB

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Cited by in corpus (4)

• Search of $D_{sJ}^{\ast }$ mesons in $B$ meson decays
• Measuring gamma in B -> K pi pi Decays
• Production of doubly charmed baryons in B decays
• Study of Pure Annihilation Decays B_{d,s} \to D^{0} \bar D^{0}