${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S042.139
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{426}$ ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}$ $<1.0 \times 10^{-6}$ CL= 90% 2582
Category: Light unflavored meson modes
The following data is related to the above value:
$\Gamma({{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}})/\Gamma_{\text{total}}$
$\Gamma_{426}/\Gamma$