${{\boldsymbol h}_{{c}}{(1P)}}$ WIDTH INSPIRE search

VALUE (MeV) CL% EVTS DOCUMENT ID TECN  COMMENT
$0.70$ $\pm0.28$ $\pm0.22$ 832 1
 2012 N
BES3 ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \gamma}}$ hadrons
• • • We do not use the following data for averages, fits, limits, etc. • • •
$\text{< 1.44}$ 90 3679 2
 2010 B
BES3 ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \gamma}}{{\mathit \eta}_{{c}}}$
$\text{< 1}$ 13
 2005 B
E835 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}_{{c}}}{{\mathit \gamma}}$
$\text{< 1.1}$ 90 59
 1992 D
E760 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{0}}$
1  With floating mass.
2  The central value is = $0.73$ $\pm0.45$ $\pm0.28$ MeV.
References:
 ABLIKIM 2012N
PR D86 092009 Study of ${{\mathit \psi}{(3686)}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit h}_{{c}}}$ , ${{\mathit h}_{{c}}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{c}}}$ via ${{\mathit \eta}_{{c}}}$ Exclusive Decays
 ABLIKIM 2010B
PRL 104 132002 Measurements of ${{\mathit h}_{{c}}}({}^{1}\!{\mathit P}_{1}$) in ${{\mathit \psi}^{\,'}}$ Decays
 ANDREOTTI 2005B
PR D72 032001 Results of a Search for the ${{\mathit h}_{{c}}}({}^{1}{{\mathit P}_{{1}}}$) State of Charmonium in the ${{\mathit \eta}_{{c}}}{{\mathit \gamma}}$ and ${{\mathit J / \psi}}{{\mathit \pi}^{0}}$ Decay Modes
 ARMSTRONG 1992D
PRL 69 2337 Observation of the ${}^{1}\mathit P_{1}$ State of Charmonium