Study of Rare $B_c^+\to D_{d,s}^{(*) +}l\bar{l}$ Decays

Details Study of Rare $B_c^+\to D_{d,s}^{(*) +}l\bar{l}$ Decays Study of Rare $B_c^+\to D_{d,s}^{(*) +}l\bar{l}$ Decays

2001-10-29

arxiv.org/abs/hep-ph/0110376v2

Phys.Rev.D65:094037,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 9 Figures, version to appear in PRD

Scientific paper

10.1103/PhysRevD.65.094037

We study the rare decays of $B_c^+\to D_{q}^{(*)+}l\bar{l}$ ($q=d,s$ and $l=\nu_l,e,\mu,\tau)$ in the standard model. The form factors are evaluated in the light front and constituent quark models, respectively. We find that the decay branching ratios calculated in the two models for $B_c^+\to D^+_q l\bar{l}$ agree well with each other, whereas those for $B_c^+\to D_q^{*+}l\bar{l}$ are different.

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