Observation of Heavy Cluster Emission From Radioactive <SUP>230</SUP>U Nuclei

Pan Qiangyan; Yuan Shuanggui; Yang Weifan; Li Zongwei; Ma Taotao; Guo Junsheng; Liu Mingyi; Liu Hongye; Xu Shuwei; Gan Zaiguo; Kong Dengming; Qiao Jimin; Luo Zihua; Zhang Mutian; Wang Shuhong

Chinese Physics C> 1999, Vol. 23> Issue(11) : 1039-1043

Observation of Heavy Cluster Emission From Radioactive ²³⁰U Nuclei

Pan Qiangyan; Yuan Shuanggui; Yang Weifan; Li Zongwei; Ma Taotao;Guo Junsheng; Liu Mingyi; Liu Hongye; Xu Shuwei; Gan ZaiguoInstitute of Midern Physics, The Chinese Academy of sciences, Lanzhou 730000Kong Dengming; Qiao Jimin; Luo Zihua; Zhang Mutian; Wang ShuhongInstitute of High Energy Physics, The Chinese Academy of sciences, Beijing 100039

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230Pa was produced with the reaction ²³²TH (p, 3n)230Pa in the irradiation powder targets of ThO₂ with 35 MeV Proton beam. Sources of ²³⁰Pa -²³⁰U were prepared by radiochemical method. Using solid-state track registration detectors, two events of ²³⁰U decay with heavy cluster emission have been observed. The preliminary branching ratio to decay comes out to be B=λ_Ne/λ_α=(1.3±1.8)×10^－14.

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Pan Qiangyan, Yuan Shuanggui, Yang Weifan, Li Zongwei, Ma Taotao, Guo Junsheng, Liu Mingyi, Liu Hongye, Xu Shuwei, Gan Zaiguo, Kong Dengming, Qiao Jimin, Luo Zihua, Zhang Mutian and Wang Shuhong. Observation of Heavy Cluster Emission From Radioactive ²³⁰U Nuclei[J]. Chinese Physics C, 1999, 23(11): 1039-1043.

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Received: 1998-09-04
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Observation of Heavy Cluster Emission From Radioactive ²³⁰U Nuclei

Corresponding author: Pan Qiangyan,

Pan Qiangyan; Yuan Shuanggui; Yang Weifan; Li Zongwei; Ma Taotao;Guo Junsheng; Liu Mingyi; Liu Hongye; Xu Shuwei; Gan ZaiguoInstitute of Midern Physics, The Chinese Academy of sciences, Lanzhou 730000Kong Dengming; Qiao Jimin; Luo Zihua; Zhang Mutian; Wang ShuhongInstitute of High Energy Physics, The Chinese Academy of sciences, Beijing 100039

Received Date: 1998-09-04

Accepted Date: 1900-01-01

Available Online: 1999-11-05

Abstract: 230Pa was produced with the reaction ²³²TH (p, 3n)230Pa in the irradiation powder targets of ThO₂ with 35 MeV Proton beam. Sources of ²³⁰Pa -²³⁰U were prepared by radiochemical method. Using solid-state track registration detectors, two events of ²³⁰U decay with heavy cluster emission have been observed. The preliminary branching ratio to decay comes out to be B=λ_Ne/λ_α=(1.3±1.8)×10^－14.

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Observation of Heavy Cluster Emission From Radioactive ²³⁰U Nuclei

Observation of Heavy Cluster Emission From Radioactive ²³⁰U Nuclei