${{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M144.4
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{30}$ ${{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}}$ ($64$ $\pm5$) $ \times 10^{-2}$ S=1.2  500
Category: Radiative decays
The following data is related to the above decay:
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$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit h}_{{{c}}}{(1P)}}{{\mathit K}^{*0}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit B}^{0}}}_{213}/\Gamma^{{{\mathit B}^{0}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{37}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \eta}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{38}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{39}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit \eta}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{40}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{41}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$ + c.c.$)/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{43}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{44}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ 2( ${{\mathit K}^{+}}{{\mathit K}^{-}}))/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{45}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{47}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{48}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}))/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{50}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ 3( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{51}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{52}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{0}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{53}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}_{54}/\Gamma^{{{\mathit \eta}_{{{c}}}{(1S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})$ ${\times }$ $\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}})/\Gamma_{\text{total}}$
$\Gamma_{30}\Gamma_{4}/\Gamma$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{0}})/\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})$
$\Gamma_{1}/\Gamma_{30}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})$
$\Gamma_{35}/\Gamma_{30}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit h}_{{{c}}}{(1P)}}{{\mathit \pi}^{0}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit \psi}{(2S)}}}_{189}/\Gamma^{{{\mathit \psi}{(2S)}}}$
$\Gamma({{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit h}_{{{c}}}{(1P)}}{{\mathit K}^{+}})/\Gamma_{\text{total}}$
$\Gamma_{30}/\Gamma{\times }\Gamma^{{{\mathit B}^{\pm}}}_{409}/\Gamma^{{{\mathit B}^{\pm}}}$