Analysis of the tetraquark and hexaquark molecular states with the QCD sum rules

Zhi-Gang Wang

Table 2. The masses and pole residues for the ${D}^{* }{\bar{D}}^{* }$, ${D}^{* }{D}^{* }$ and ${D}^{* }{D}^{* }{\bar{D}}^{* }$ tetraquark and hexaquark molecular states.

JP ${M}_{T/H}$ ${\lambda }_{T/H}$ ${0}^{+}({D}^{* }{\bar{D}}^{* })$ $3.98\pm 0.09\,\mathrm{GeV}$ $(4.05\pm 0.70)\times {10}^{-2}{\mathrm{GeV}}^{5}$ ${0}^{+}({D}^{* }{D}^{* })$ $4.11\pm 0.09\,\mathrm{GeV}$ $(8.36\pm 1.32)\times {10}^{-2}{\mathrm{GeV}}^{5}$ ${1}^{-}({D}^{* }{D}^{* }{\bar{D}}^{* })$ $6.03\pm 0.11\,\mathrm{GeV}$ $(3.14\pm 0.55)\times {10}^{-3}{\mathrm{GeV}}^{8}$