${{\boldsymbol \psi}{(4230)}}$ MASS INSPIRE search

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 4220 \pm15}$ OUR ESTIMATE
$\bf{ 4218.7 \pm2.8}$ OUR AVERAGE  Error includes scale factor of 1.3.
$4218.5$ $\pm1.6$ $\pm4.0$ 1
ABLIKIM
2019AI
 BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \chi}_{{c0}}}$
$4228.6$ $\pm4.1$ $\pm6.3$
ABLIKIM
2019R
 BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit D}^{0}}{{\mathit D}^{*-}}$ + c.c.
$4200.6$ ${}^{+7.9}_{-13.3}$ $\pm3.0$ 2
ABLIKIM
2019V
 BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{c1}}{(3872)}}$
$4222.0$ $\pm3.1$ $\pm1.4$ 3
ABLIKIM
2017B
 BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$
$4218$ ${}^{+5.5}_{-4.5}$ $\pm0.9$
ABLIKIM
2017G
 BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit h}_{{c}}}$
$4209.5$ $\pm7.4$ $\pm1.4$ 4
ABLIKIM
2017V
 BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(2S)}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$4230$ $\pm8$ $\pm6$ 180 5
ABLIKIM
2015C
 BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \chi}_{{c0}}}$
1  From a fit of the measured cross section from $\sqrt {s }$ = $4.178 - 4.278$ GeV. Supersedes ABLIKIM 2015C.
2  Simultaneous fit to ${{\mathit \chi}_{{c1}}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit J / \psi}}$ and ${{\mathit \chi}_{{c1}}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ .
3  From a three-resonance fit.
4  From a fit to the cross section for ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(2S)}}$ $\rightarrow$ 2 ( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ obtained from 16 center-of-mass energies between 4.008 and 4.600 GeV and comprising 5.1 fb${}^{-1}$.
5  From a 3-parameter fit of measured cross sections from $\sqrt {s }$ = $4.21 - 4.42$ GeV to a phase-space modified Breit-Wigner function, using the decays ${{\mathit \chi}_{{c0}}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit \chi}_{{c0}}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$ , and ${{\mathit \omega}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ .

           ${{\mathit \psi}{(4230)}}$ MASS (MeV)
  References:
ABLIKIM 2019AI
PR D99 091103 Cross section measurements of $e^+ e^-\to\omega\chi_{c0}$ form $\sqrt{s}=$ 4.178 to 4.278 GeV
ABLIKIM 2019R
PRL 122 102002 Evidence of a resonant structure in the $e^+e^-\to \pi^+D^0D^{*-}$ cross section between 4.05 and 4.60 GeV
ABLIKIM 2019V
PRL 122 232002 Study of $e^+e^- \to \gamma \omega J/\psi$ and Observation of $X(3872) \to \omega J/\psi$
ABLIKIM 2017G
PRL 118 092002 Evidence of Two Resonant Structures in ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit h}_{{c}}}$
ABLIKIM 2017B
PRL 118 092001 Precise Measurement of the ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ Cross Section at Center-of-Mass Energies from 3.77 to 4.60 GeV
ABLIKIM 2017V
PR D96 032004 Measurement of ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(3686)}}$ from 4.008 to 4.600 GeV and Observation of a Charged Structure in the ${{\mathit \pi}^{\pm}}{{\mathit \psi}{(3686)}}$ Mass Spectrum
ABLIKIM 2015C
PRL 114 092003 Study of ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \chi}_{{cJ}}}$ at Center-of-Mass Energies from 4.21 to 4.42 GeV