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Lifetime measurement of the first excited state of 64Ga |
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| Authors: | M Tanigaki K Sekiguchi M Fujita T Hoshino T Baba N Kawamura T Shinozuka M Fujioka |
| Institution: | Cyclotron and Radioisotope Center, Tohoku University, Sendai, Miyagi, 980-8578 Japan, JP Department of Physics, Faculty of Science, Tohoku University, Sendai, Miyagi, 980-8578 Japan, JP Department of Electronics and Information Engineering, Faculty of Engineering, Aomori University, Aomori, Aomori, 030-0943 Japan, JP |
| Abstract: | 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 T1/2 = 21.9 - 0.7 7s. The corresponding B(E2) = 13.6 - 0.4 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. |
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