Abstract
The spectrum of the decay chain, previously reported in 1952 by Meinke et al., was investigated by bombarding with protons from 35 to 54 MeV. The half-life of the parent nuclide was found to be 1.1±0.1 min, in agreement with the earlier value of 1.3±0.3 min. The -particle energies in the decay chain were determined more precisely than in the earlier study. In addition, some disagreement was found with the 1952 work. The nuclides and -particle energies observed in the present investigation are as follows: , 6.87±0.02 MeV; , 7.33±0.02 MeV; , 7.70±0.02 MeV (relative intensity 0.7±0.1) and 7.99±0.02 MeV (0.3±0.1); , 8.67±0.02 MeV; and , 7.46±0.02 MeV.
- Received 20 February 1969
DOI:https://doi.org/10.1103/PhysRev.182.1329
©1969 American Physical Society