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The energy-dependent $\pi^+ \pi^+ \pi^+$ scattering amplitude from QCD
Focusing on three-pion states with maximal isospin (π+π+π+), we present the first nonperturbative determination of an energy-dependent three-hadron scattering amplitude from first-principles QCD. The calculation combines finite-volume three-hadron energies, extracted using numerical lattice QCD, wit...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
2020
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevLett.126.012001 http://cds.cern.ch/record/2734094 |