Influence of the axial anomaly on the decay n(1535)→nη

HIGHLIGHTS

• who: Lisa Olbrich et al. from the InstitutGoethe University Max-von-Laue-Str1, Frankfurt am Main, Germany have published the article: Influence of the axial anomaly on the decay N(1535)→Nη, in the Journal: (JOURNAL) of 18/01/2018
• what: The authors propose that the axial U(1)A anomaly is responsible for an enhanced coupling of_(some) excited baryons to the η meson. The approach shows that N(1535) is predominantly the chiral partner of N(939) and Λ(1670) the chiral partner of Λ(1116). The authors investigate chiral models for baryons (and in particular . . .
  

   

  

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