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

INSPIRE

${{\mathit h}_{{c}}{(1P)}}$ $I^G(J^{PC})$ = $0^-(1^{+ -})$

Quantum numbers are quark model prediction, ${}^{C} = $ established by ${{\mathit \eta}_{{c}}}{{\mathit \gamma}}$ decay.

${{\mathit h}_{{c}}{(1P)}}$ MASS   $3525.38 \pm0.11$ MeV

${{\mathit h}_{{c}}{(1P)}}$ WIDTH   $0.7 \pm0.4$ MeV

${{\mathit h}_{{c}}{(1P)}}$ PARTIAL WIDTHS

${{\mathit h}_{{c}}{(1P)}}$ Decay Modes ▸ Expand all decays
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{0}}$   382   $\Gamma_{2}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}}{{\mathit \pi}}$   not seen 312   $\Gamma_{3}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $<2.3\times 10^{-3}$ CL=90% 305   $\Gamma_{4}$ ${{\mathit p}}{{\overline{\mathit p}}}$   $<1.5\times 10^{-4}$ CL=90% 1492   $\Gamma_{5}$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $(2.9\pm{0.6})\times 10^{-3}$ 1390   $\Gamma_{6}$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$   $<5\times 10^{-4}$ CL=90% 1394   $\Gamma_{7}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $(1.6\pm{0.5})\times 10^{-3}$ 1749   $\Gamma_{8}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \eta}}$   $(7.2\pm{2.3})\times 10^{-3}$ 1695   $\Gamma_{9}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $(8.1\pm{1.8})\times 10^{-3}$ 1716   $\Gamma_{10}$ 3 ${{\mathit \pi}^{+}}$3 ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $<9\times 10^{-3}$ CL=90% 1661   $\Gamma_{11}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $<6\times 10^{-4}$ CL=90% 1640   $\Gamma_{12}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $(3.2\pm{0.8})\times 10^{-3}$ 1606   $\Gamma_{13}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \eta}}$   $<2.3\times 10^{-3}$ CL=90% 1480   $\Gamma_{14}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$   $<6\times 10^{-4}$ CL=90% 1670   $\Gamma_{15}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit \eta}}$   $<2.1\times 10^{-3}$ CL=90% 1532   $\Gamma_{16}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \eta}}$   $<9\times 10^{-4}$ CL=90% 1574   $\Gamma_{17}$ 2 ${{\mathit K}^{+}}$2 ${{\mathit K}^{-}}{{\mathit \pi}^{0}}$   $<2.4\times 10^{-4}$ CL=90% 1339   $\Gamma_{18}$ ${{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$   $<6\times 10^{-4}$ CL=90% 1668   $\Gamma_{19}$ ${{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $(2.8\pm{1.0})\times 10^{-3}$ 1604   ▸ Radiative decays
FOOTNOTES