Lifetime measurement of the first excited state of 64Ga
1 Cyclotron and Radioisotope Center, Tohoku University, Sendai, Miyagi,
2 Department of Physics, Faculty of Science, Tohoku University, Sendai, Miyagi, 980-8578 Japan
3 Department of Electronics and Information Engineering, Faculty of Engineering, Aomori University, Aomori, Aomori, 030-0943 Japan
Received: 21 July 1999 Communicated by D. Schwalm
The half-life of the first excited state of 64Ga has been measured with a pulsed beam technique. The half-life was determined to be s. The corresponding B(E2) = e2fm4 shows good agreement with the Weisskopf estimate, i.e., 15.2 e2fm4, thereby establishing the 2+assignment to this state and the single particle nature of the 42.89 keV transition.
21.10.Tg Lifetimes - 21.10.HW Spin, parity, and isobaric spin