Internal structure of the $T_{cc}(3875{)}^{+}$ from its light-quark mass dependence

Michael Abolnikov, Vadim Baru, Evgeny Epelbaum +3

We employ a chiral effective field theory-based approach to connect $D{D}^{\ast }$ scattering observables at the physical and variable pion masses accessible in lattice QCD simulations. We…