• Corpus ID: 248665759

Axial-vector $D_1$ hadrons in $D^\ast\pi$ scattering from QCD

@inproceedings{Lang2022AxialvectorH,
  title={Axial-vector \$D\_1\$ hadrons in \$D^\ast\pi\$ scattering from QCD},
  author={Nicolas Lang and David J. Wilson},
  year={2022}
}
We present I = 1 / 2 D ∗ π scattering amplitudes from lattice QCD and determine two low-lying J P = 1 + axial-vector D 1 states and a J P = 2 + tensor D ∗ 2 . Computing finite-volume spectra at a light-quark mass corresponding to m π = 391 MeV, for the first time, we are able to constrain coupled J P = 1 + D ∗ π amplitudes with 2 S +1 (cid:96) J = 3 S 1 and 3 D 1 as well as coupled J P = 2 + Dπ { 1 D 2 } and D ∗ π { 3 D 2 } amplitudes via L¨uscher’s quantization condition. Analyzing the… 

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