Two-pion exchange potential in $D^{(\ast )}{D}^{(\ast )}$ system

Daiki Suenaga, Masayasu Harada

Motivated by the recent HAL QCD lattice results on the $D$ - $D^{\ast }$ potential at nearly physical point $m_{\pi }=146.4$ MeV, we theoretically examine effects from the two-pion exchange i…