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 search

${{\boldsymbol D}_{{1}}{(2420)}}$

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