${{\mathit B}_{{{c}}}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \tau}^{+}}{{\mathit \nu}_{{{\tau}}}}$  Decay Mode Summary INSPIRE   PDGID:
S091.32
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{3}$ ${{\mathit B}_{{{c}}}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \tau}^{+}}{{\mathit \nu}_{{{\tau}}}}$ seen 1932
The following data is related to the above value:
$\Gamma($ ${{\mathit B}_{{{c}}}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \tau}^{+}}{{\mathit \nu}_{{{\tau}}}})/\Gamma($ ${{\mathit B}_{{{c}}}^{+}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \mu}^{+}}{{\mathit \nu}_{{{\mu}}}})$
$\Gamma_{3}/\Gamma_{2}$