Speaker
Jeremy R. Green
Description
A previous calculation of baryon-baryon scattering using CLS ensembles with nonperturbatively $O(a)$-improved Wilson fermions revealed large discretization effects in the scattering amplitude. It is natural to ask whether other systems with heavy hadrons are affected. Using the same setup and adding valence charm quarks with the same action, we study $DD^*$ scattering and the $T_{cc}$ tetraquark. With up to six lattice spacings, we examine the dependence on $a$ and focus on discretization effects beyond the ones that affect a single $D$ or $D^*$ meson.
| Topical area | Hadronic and Nuclear Spectrum and Interactions |
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