The 3701 keV neutron g9/2 single-particle state in 57Ni D. Rudolph, D. Weisshaar, F. Cristancho, J. Eberth, C. Fahlander, O. Iordanov, S. Skoda, Ch. Teich, O. Thelen and H.G. ThomasEur. Phys. J. A, 6 4 (1999) 377-380DOI: https://doi.org/10.1007/s100500050358