Transitional description of mass spectra for baryons in the U(7) model N. Amiri, M. Ghapanvari and M. A. Jafarizadeh Eur. Phys. J. Plus, 136 2 (2021) 141 Published online: 26 January 2021 DOI: 10.1140/epjp/s13360-021-01079-7