Experimental search for the decay of 58Ni nuclei by the e-e+-conversion channel
Vasil'ev S. I. , Klimenko A. A. , Osetrov S. B. , Pomanskii A. A. , Smol'nikov A. A.
A two-crystal y-ray spectrometer was used over a measurement time of 100 h. Limits are established on the half-life for 58Ni decay by the e~e+-conversion channel: T1/2(0v+2v) > 7.0χ 1020 yr and T1/2(0v+2v) >4.0X 1020 yr for the 0+-0+ and 0+-2+ transitions, respectively.