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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

INSPIRE   JSON  (beta) PDGID: M253

${{\mathit D}_{{1}}{(2420)}}$ $I(J^P)$ = $1/2(1^{+})$

${{\mathit D}_{{1}}{(2420)}}$ 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$_{{{\mathit D}_{{1}}}}$   $5.73 \pm0.25$

${{\mathit D}_{{1}}{(2420)}}$ DECAY MODES
${{\overline{\mathit D}}_{{1}}{(2420)}}$ modes are charge conjugates of modes below.
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit D}^{*}{(2007)}^{0}}{{\mathit \pi}}$   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