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${{\mathit \psi}{(4230)}}$ MASS

INSPIRE   PDGID:

M074M

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 4222.1 \pm2.3}$ OUR AVERAGE  Error includes scale factor of 1.7.  See the ideogram below. $4226.9$ $\pm6.6$ $\pm22.0$ 1 ABLIKIM 2023 U BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}_{{{S}}}}{{\mathit K}_{{{S}}}}{{\mathit J / \psi}}$ $4209.6$ $\pm4.7$ $\pm5.9$ 2 ABLIKIM 2023 X BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit D}^{*0}}{{\mathit D}^{*-}}{{\mathit \pi}^{+}}$ $4221.4$ $\pm1.5$ $\pm2.0$ 3 ABLIKIM 2022 AM BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ $4225.3$ $\pm2.3$ $\pm21.5$ 4 ABLIKIM 2022 AU BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit J / \psi}}$ $4234.4$ $\pm3.2$ $\pm0.2$ 5 ABLIKIM 2021 AJ BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(2S)}}$ $4216.7$ $\pm8.9$ $\pm4.1$ 6 ABLIKIM 2020 AG BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $4220.4$ $\pm2.4$ $\pm2.3$ 7 ABLIKIM 2020 N BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit J / \psi}}$ $4218.6$ $\pm3.8$ $\pm2.5$ 7 ABLIKIM 2020 O BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit J / \psi}}$ $4218.5$ $\pm1.6$ $\pm4.0$ 8 ABLIKIM 2019 AI BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \chi}_{{{c0}}}}$ $4228.6$ $\pm4.1$ $\pm6.3$ ABLIKIM 2019 R BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit D}^{0}}{{\mathit D}^{*-}}$ + c.c. $4200.6$ ${}^{+7.9}_{-13.3}$ $\pm3.0$ 9 ABLIKIM 2019 V BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c1}}}{(3872)}}$ $4218$ ${}^{+5.5}_{-4.5}$ $\pm0.9$ ABLIKIM 2017 G BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit h}_{{{c}}}}$ • • We do not use the following data for averages, fits, limits, etc. • • $4231.9$ $\pm5.3$ $\pm4.9$ ABLIKIM 2020 N BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}^{0}}$ , ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit J / \psi}}$ $4222.0$ $\pm3.1$ $\pm1.4$ 10 ABLIKIM 2017 B BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ $4209.5$ $\pm7.4$ $\pm1.4$ 11 ABLIKIM 2017 V BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(2S)}}$ $4209.1$ $\pm6.8$ $\pm7.0$ 12 ZHANG 2017 B RVUE ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(2S)}}$ $4223.3$ $\pm1.6$ $\pm2.5$ 13 ZHANG 2017 C RVUE ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ or ${{\mathit \psi}{(2S)}}$ $4230$ $\pm8$ $\pm6$ 180 14 ABLIKIM 2015 C BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \chi}_{{{c0}}}}$ $4258.6$ $\pm8.3$ $\pm12.1$ 15 LIU 2013 B BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ $4245$ $\pm5$ $\pm4$ 16 LEES 2012 AC BABR 10.58 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ $4247$ $\pm12$ ${}^{+17}_{-32}$ 17, 15 YUAN 2007 BELL 10.58 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ $4284$ ${}^{+17}_{-16}$ $\pm4$ 13.6 HE 2006 B CLEO $9.4 - 10.6$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ $4259$ $\pm8$ ${}^{+2}_{-6}$ 125 18 AUBERT,B 2005 I BABR 10.58 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ 1  From a three-resonance fit to the dressed cross section in the range $\sqrt {s }$ = $4.128 - 4.950$ GeV. 2  From a cross-section measurement of ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit D}^{*0}}{{\mathit D}^{*-}}{{\mathit \pi}^{+}}$ between 4.189 and 4.951 GeV, assuming a coherent sum of 3 Breit-Wigner resonances plus a continuum amplitude. The two other resonances have masses (widths) $4675.3$ $\pm29.7$ ($218.3$ $\pm73.5$) MeV and $4469.1$ $\pm26.4$ ($246.3$ $\pm37.9$) MeV. 3  From a three-resonance fit to the Born cross section in the range $\sqrt {s }$ = $3.7730 - 4.7008$ GeV. 4  From a two-resonance fit to the dressed cross section in the range $\sqrt {s }$ = $4.127 - 4.600$ GeV. The second resonance has a mass of $4484.7$ $\pm13.3$ $\pm24.1$ MeV and a total width of $111.1$ $\pm30.1$ $\pm15.2$ MeV. 5  From a three-resonance fit to the Born cross section in the range $\sqrt {s }$ = $4.008 - 4.698$ GeV. 6  Solution 1 of 8 with equal fit quality to the ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ cross section between 3.8 and 4.6 GeV to the coherent sum of four resonant amplitudes. Other solutions range from $4212.8$ $\pm7.2$ $\pm4.0$ to $4219.4$ $\pm11.2$ $\pm4.1$ MeV. 7  From a fit of the measured cross section in the range $\sqrt {s }$ = $3.808 - 4.600$ GeV. 8  From a fit of the measured cross section from $\sqrt {s }$ = $4.178 - 4.278$ GeV. Supersedes ABLIKIM 2015C. 9  Simultaneous fit to ${{\mathit \chi}_{{{c1}}}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit J / \psi}}$ and ${{\mathit \chi}_{{{c1}}}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$. 10  From a three-resonance fit. Superseded by ABLIKIM 2022AM. 11  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${}^{-1}$. Superseded by ABLIKIM 2021AJ. 12  From a three-resonance fit. 13  From a combined fit of BELLE, BABAR and BES3 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit J / \psi}}$ and ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \psi}{(2S)}}$ data. 14  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 ${{\mathit \omega}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$. 15  From a two-resonance fit. 16  From a single-resonance fit. Supersedes AUBERT,B 2005I. 17  Superseded by LIU 2013B. 18  From a single-resonance fit. Two interfering resonances are not excluded. Superseded by LEES 2012AC.

${{\mathit \psi}{(4230)}}$ MASS (MeV)

References