CHARMED MESONS($\mathit C$ = $\pm1$) ${{\mathit D}^{+}}$ = ${\mathit {\mathit c}}$ ${\mathit {\overline{\mathit d}}}$, ${{\mathit D}^{0}}$ = ${\mathit {\mathit c}}$ ${\mathit {\overline{\mathit u}}}$, ${{\overline{\mathit D}}^{0}}$ = ${\mathit {\overline{\mathit c}}}$ ${\mathit {\mathit u}}$, ${{\mathit D}^{-}}$ = ${\mathit {\overline{\mathit c}}}$ ${\mathit {\mathit d}}$, similarly for ${{\mathit D}^{*}}$ 's

#### ${{\mathit D}_{{1}}{(2420)}}$

$I(J^P)$ = $1/2(1^{+})$
 ${{\mathit D}_{{1}}{(2420)}}$ MASS $2422.1 \pm0.6$ MeV (S = 1.7)
 ${\mathit m}_{{{\mathit D}_{{1}}{(2420)}^{0}}}–{\mathit m}_{{{\mathit D}^{*+}}}$ $411.8 \pm0.6$ MeV (S = 1.7)
 ${\mathit m}_{{{\mathit D}_{{1}}{(2420)}^{\pm}}}–{\mathit m}_{{{\mathit D}_{{1}}{(2420)}^{0}}}$ $4 \pm4$ MeV
 ${{\mathit D}_{{1}}{(2420)}}$ WIDTH $31.3 \pm1.9$ MeV (S = 2.8)
 ${{\mathit D}_{{1}}{(2420)}}$ POLARIZATION AMPLITUDE A$_{{{\mathit D}_{{1}}} }$ $5.73 \pm0.25$
${{\overline{\mathit D}}_{{1}}{(2420)}}$ modes are charge conjugates of modes below.
 $\Gamma_{1}$ ${{\mathit D}^{*}{(2007)}^{0}}{{\mathit \pi}}$ seen 359
 $\Gamma_{2}$ ${{\mathit D}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ 426
 $\Gamma_{3}$ ${{\mathit D}}{{\mathit \rho}^{0}}$ -1
 $\Gamma_{4}$ ${{\mathit D}}{{\mathit f}_{{0}}{(500)}}$
 $\Gamma_{5}$ ${{\mathit D}_{{0}}^{*}{(2300)}^{0}}{{\mathit \pi}}$ -1
 $\Gamma_{6}$ ${{\mathit D}^{0}}{{\mathit \pi}}$ 478
 $\Gamma_{7}$ ${{\mathit D}^{*}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ 276
 FOOTNOTES