${{\mathit \chi}_{{{c1}}}{(1P)}}$ $\rightarrow$ ${{\mathit \pi}_{{{1}}}{(1600)}^{+}}{{\mathit \pi}^{-}}$ + c.c. $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M055.98
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{32}$ ${{\mathit \chi}_{{{c1}}}{(1P)}}$ $\rightarrow$ ${{\mathit \pi}_{{{1}}}{(1600)}^{+}}{{\mathit \pi}^{-}}$ + c.c. $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $<1.5 \times 10^{-5}$ CL= 90%
Category: Hadronic decays
The following data is related to the above value:
$\Gamma({{\mathit \chi}_{{{c1}}}{(1P)}}$ $\rightarrow$ ${{\mathit \pi}_{{{1}}}{(1600)}^{+}}{{\mathit \pi}^{-}}$ + c.c. $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{32}/\Gamma$