Send Feedback

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

M144W

VALUE (MeV)

CL%

EVTS

DOCUMENT ID

TECN

COMMENT

$0.78$ ${}^{+0.27}_{-0.24}$ $\pm0.12$

23k

BES3

${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{0}}$ hadrons; ${{\mathit \pi}^{0}}{{\mathit \gamma}}$( ${{\mathit \eta}_{{{c}}}}$)

• • • We do not use the following data for averages, fits, limits, etc. • • •

$0.70$ $\pm0.28$ $\pm0.22$

832

BES3

${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \gamma}}$ hadrons

$\text{< 1.44}$

90

3679

BES3

${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \gamma}}{{\mathit \eta}_{{{c}}}}$

$\text{< 1}$

13

E835

${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}_{{{c}}}}{{\mathit \gamma}}$

$\text{< 1.1}$

90

59

E760

${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}^{0}}$

¹ Superseded by ABLIKIM 2022AQ

² With floating mass.

³ The central value is = $0.73$ $\pm0.45$ $\pm0.28$ MeV.

References:

PR D106 072007

Study of the $h_c$($1^1P_1$) meson via $\psi(2S) \rightarrow \pi^0 h_c$ decays at BESIII

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

PRL 104 132002

Measurements of ${{\mathit h}_{{{c}}}}({}^{1}\!{\mathit P}_{1}$) in ${{\mathit \psi}^{\,'}}$ Decays

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

PRL 69 2337

Observation of the ${}^{1}\mathit P_{1}$ State of Charmonium