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Author

F. Romero-López

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Preprint Oct 2026

Two-nucleon scattering amplitudes at light quark masses from lattice QCD

We present a lattice-QCD determination of nucleon-nucleon scattering amplitudes at pion masses of $M_\pi \approx 200$ MeV and $M_\pi \approx 280$ MeV at a single lattice spacing $a \approx 0.064$ fm on two CLS ensembles. The finite-volume energy spectra are extracted from large Hermitian correlation matrices constructe...

J. Baeza-Ballesteros, André Baião-Raposo, Davide Laudicina et al. · 0 citations
Preprint Sep 2026

Accessing the Wess-Zumino-Witten term using Lattice QCD

The Wess-Zumino-Witten interaction in chiral perturbation theory is a manifestation of chiral anomalies. One of its consequences is the presence of a nonvanishing $K \overline K \to \pi^+ \pi^0 \pi^-$ amplitude. We derive the finite-volume formalism that allows one to access this, and related, amplitudes, using the spe...

F. Romero-López, S. R. Sharpe · 0 citations

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