2000 character limit reached
The Roper Resonance in a finite volume (2003.05745v2)
Published 12 Mar 2020 in hep-lat, hep-ph, and nucl-th
Abstract: We calculate the energy levels corresponding to the Roper resonance based on a two-flavor chiral effective Lagrangian for pions, nucleons, deltas and the Roper resonance at leading one-loop order. We show that the Roper mass can be extracted from these levels for not too large lattice volumes.
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