Role of chiral symmetry in the nucleon excitation spectrum
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DOI: 10.1103/physrevd.101.074504
Abstract: The origin of the low-lying nature of the $N$*(1440), or Roper resonance, has been the subject of significant interest for many years, including several investigations using lattice QCD. The majority of lattice studies have not… read more here.
Keywords: chiral symmetry; role chiral; nucleon; symmetry ... See more keywords