3 years ago

# The tetraquark candidate ##IMG## [http://ej.iop.org/images/0954-3899/45/2/024002/toc_jpgaa9afdieqn1.gif] {${Z}_{{c}}(3900)$} from dynamical lattice QCD simulations

The structure of the tetraquark candidate ##IMG## [http://ej.iop.org/images/0954-3899/45/2/024002/jpgaa9afdieqn3.gif] {${Z}_{{\rm{c}}}(3900)$} , which has been experimentally reported in ##IMG## [http://ej.iop.org/images/0954-3899/45/2/024002/jpgaa9afdieqn4.gif] {${e}^{+}{e}^{-}$} collisions, is studied by s-wave meson–meson coupled-channel scattering on the lattice. The s-wave interactions among the ##IMG## [http://ej.iop.org/images/0954-3899/45/2/024002/jpgaa9afdieqn5.gif] {$\pi J/\psi$} , ##IMG## [http://ej.iop.org/images/0954-3899/45/2/024002/jpgaa9afdieqn6.gif] {$\rho {\eta }_{{c}}$} and ##IMG## [http://ej.iop.org/images/0954-3899/45/2/024002/jpgaa9afdieqn7.gif] {$D{\bar{D}}^{* }$} channels are derived from (2 + 1)-flavor dynamical QCD simulations at ##IMG## [http://ej.iop.org/images/0954-3899/45/2/024002/jpgaa9afdieqn8.gif] {${m}_{\pi }=410$} –7...

Publisher URL: http://iopscience.iop.org/0954-3899/45/2/024002

DOI: 10.1088/1361-6471/aa9afd

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