${{\mathit B}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ anything  Decay Mode Summary INSPIRE   PDGID:
S091.1
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{1}$ ${{\mathit B}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ anything seen
The following data is related to the above value:
$\Gamma($ ${{\mathit B}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \ell}^{+}}{{\mathit \nu}_{{{{\mathit \ell}}}}}$ anything$)/\Gamma_{\text{total}}{\times }B($ ${{\overline{\mathit b}}}$ $\rightarrow$ ${{\mathit B}_{{c}}}$ $)$
$\Gamma_{1}/\Gamma$ ${\times }$ B