The Roper resonance in a finite volume
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The Roper resonance in a finite volume |
| Daniel Severt,Ulf-G Meißner |
| Figure 4. Energy levels for the full system for different box sizes L. Red solid lines display the numerical results and blue dashed lines, gray dashed lines display the free energy levels of the pion and nucleon, pion, and delta, respectively. |
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