New neutron-rich nuclide185Hf |
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| Authors: | Yuan Shuanggui Zhang Tianmei Pan qiangyan Zhang Xueqian Xu Shuwei |
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| Institution: | 1. Institute of Modern Physics, Academia Sinica, 730000, Lanzhou, The People's Republic of China
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| Abstract: | The unreported hafnium isotope185Hf has been identified for the first time. Sources of185Hf prepared by 14-MeV neutron irradiation of tungsten followed by radiochemical separation have been studied. The new activity was identified by following the time variation of the  rays. The half-life of185Hf has been determined to be 3.5±0.6 min. In addition, a new 164.5±0.5keV ray was found and assigned to185Hf based on the measurements of transition energy and half-life.This work was supported by Academia Sinica |
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