The synthesis and identification of new heavy neutron-rich nuclide237Th |
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| Authors: | Shuanggui Yuan Tianmei Zhang Shuwei Xu Zongwei Li Qiangyan Pan Zhizheng Zhao Weifan Yang Xueqian Zhang Weisheng Li Xijin Yin Yifei Du Yihao Wang |
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| Affiliation: | 1. Institute of Modern Physics, Academia Sinica, 730000, Lanzhou, The People's Republic of China
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| Abstract: | The unreported heavy neutron-rich nuclide237Th has been identified for the first time. Sources of237Th prepared by 14-MeV neutron irradiation of uranium followed by radiochemical separation have been studied. The new activity of237Th was identified by following the time variation of the characteristic γ-rays. The half-life of237Th has been determined to be 5.0±0.9 min. |
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