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

INSPIRE   JSON  (beta) PDGID: M144

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

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

${{\mathit h}_{{{c}}}{(1P)}}$ MASS   $3525.37 \pm0.14$ MeV (S = 1.2)

${{\mathit h}_{{{c}}}{(1P)}}$ WIDTH   $0.78 \pm0.28$ MeV

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

Decay Modes ▸  Expand all decays
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{0}}$   $<5\times 10^{-4}$ CL=90% 382   $\Gamma_{2}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}}{{\mathit \pi}}$   not seen 312   $\Gamma_{3}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $<2.7\times 10^{-3}$ CL=90% 305   $\Gamma_{4}$ ${{\mathit p}}{{\overline{\mathit p}}}$   $<1.7\times 10^{-4}$ CL=90% 1492   $\Gamma_{5}$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{0}}$   $<8\times 10^{-4}$ CL=90% 1447   $\Gamma_{6}$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $(3.3\pm{0.6})\times 10^{-3}$ 1390   $\Gamma_{7}$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$   $<6\times 10^{-4}$ CL=90% 1394   $\Gamma_{8}$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $(4.4\pm{1.3})\times 10^{-3}$ 1331   $\Gamma_{9}$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \eta}}$   $(7.4\pm{2.2})\times 10^{-4}$ 1264   $\Gamma_{10}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $(1.9\pm{0.5})\times 10^{-3}$ 1749   $\Gamma_{11}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \eta}}$   $(8.3\pm{2.4})\times 10^{-3}$ 1695   $\Gamma_{12}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $(9.4\pm{1.7})\times 10^{-3}$ 1716   $\Gamma_{13}$ 3 ${{\mathit \pi}^{+}}$3 ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $<1.0\%$ CL=90% 1661   $\Gamma_{14}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $<7\times 10^{-4}$ CL=90% 1640   $\Gamma_{15}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $(3.8\pm{0.8})\times 10^{-3}$ 1606   $\Gamma_{16}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \eta}}$   $<2.7\times 10^{-3}$ CL=90% 1480   $\Gamma_{17}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$   $<6\times 10^{-4}$ CL=90% 1670   $\Gamma_{18}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit \eta}}$   $<2.4\times 10^{-3}$ CL=90% 1532   $\Gamma_{19}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \eta}}$   $<1.0\times 10^{-3}$ CL=90% 1574   $\Gamma_{20}$ 2 ${{\mathit K}^{+}}$2 ${{\mathit K}^{-}}{{\mathit \pi}^{0}}$   $<2.8\times 10^{-4}$ CL=90% 1339   $\Gamma_{21}$ ${{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$   $<6\times 10^{-4}$ CL=90% 1668   $\Gamma_{22}$ ${{\mathit K}_S^0}$ ${{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $(3.2\pm{1.0})\times 10^{-3}$ 1604   ▸ Radiative decays
FOOTNOTES