pdgLive

${\mathit {\mathit c}}$ ${\mathit {\overline{\mathit c}}}$ MESONS
(including possibly non- ${\mathit {\mathit q}}$ ${\mathit {\overline{\mathit q}}}$ states)

INSPIRE JSON (beta) PDGID:

${{\mathit \psi}{(3770)}}$

$I^G(J^{PC})$ = $0^-(1^{- -})$

${{\mathit \psi}{(3770)}}$ MASS (MeV)

$3773.7 \pm0.4$ MeV (S = 1.4)

${\mathit m}_{{{\mathit \psi}{(3770)}}}–{\mathit m}_{{{\mathit \psi}{(2S)}}}$

$87.6 \pm0.4$ MeV (S = 1.4)

${{\mathit \psi}{(3770)}}$ WIDTH

$27.2 \pm1.0$ MeV

${{\mathit \psi}{(3770)}}$ DECAY MODES ▸ Expand all decays

${{\mathit D}}{{\overline{\mathit D}}}$

$(93^{+8}_{-9})\%$

${{\mathit D}^{0}}{{\overline{\mathit D}}^{0}}$

$(52^{+4}_{-5})\%$

${{\mathit D}^{+}}{{\mathit D}^{-}}$

${{\mathit J / \psi}}{{\mathit X}}$

$(5.0\pm{2.2})\times 10^{-3}$

${{\mathit J / \psi}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$

$(1.93\pm{0.28})\times 10^{-3}$

${{\mathit J / \psi}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$

$(8.0\pm{3.0})\times 10^{-4}$

${{\mathit J / \psi}}{{\mathit \eta}}$

$(9\pm{4})\times 10^{-4}$

${{\mathit J / \psi}}{{\mathit \pi}^{0}}$

$<2.8\times 10^{-4}$

${{\mathit e}^{+}}{{\mathit e}^{-}}$

$(9.6\pm{0.7})\times 10^{-6}$

▸	Decays to light hadrons

▸	Radiative decays

FOOTNOTES

Constrained Fit information

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