THE DETERMINATION OF ENDPOINT ENERGY FOR <SUP>235</SUP>Th β-DECAY

YUAN Shuang-Gui; ZHANG Tian-Mei; XU Shu-Wei; LI Wen-Xin; ZHANG Li; LIU Man-Qing; QU Xiu-Lan; LI Wei-Sheng

Chinese Physics C> 1988, Vol. 12> Issue(5) : 712-714

THE DETERMINATION OF ENDPOINT ENERGY FOR ²³⁵Th β-DECAY

Institute of Modern Physics,Academia Sinica,Lanzhou

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Abstract：
Sources of ²³⁵Th were prepared by 14MeV neutron irradiation of Uranium and radiochemical separation.The β-spectra and γ-spectra were measured.The endpoint energy for ²³⁵Th β-decay was obtained to be 1.44±0.04MeV.Thus Q_B of ²³⁵Th was determined to be 1.47±0.07MeV.

References

[1]	S. Mirzadeh, Y. Y. Chu, S. Katcoff, L. K. Pekrr. Phys. Rev., 033(1986), 2159.[2] 李伟生，徐树威，袁双贵，张天梅，递次衰变优化拟合程序，(未发表).[3] 戴光曦等，核素图册,(1987),[4] 袁双贵，徐树威，多分支R谱分析程序,(未发表).[5] M. R. Schmorak, Nucl. Data Sheets, 40(1983), 53.[6] M. Asghar et al., Nucl. Phys., A259(1976), 929.

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YUAN Shuang-Gui, ZHANG Tian-Mei, XU Shu-Wei, LI Wen-Xin, ZHANG Li, LIU Man-Qing, QU Xiu-Lan and LI Wei-Sheng. THE DETERMINATION OF ENDPOINT ENERGY FOR ²³⁵Th β-DECAY[J]. Chinese Physics C, 1988, 12(5): 712-714.

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Received: 1900-01-01
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

THE DETERMINATION OF ENDPOINT ENERGY FOR ²³⁵Th β-DECAY

Corresponding author: YUAN Shuang-Gui,

Institute of Modern Physics,Academia Sinica,Lanzhou

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1988-10-05

Abstract: Sources of ²³⁵Th were prepared by 14MeV neutron irradiation of Uranium and radiochemical separation.The β-spectra and γ-spectra were measured.The endpoint energy for ²³⁵Th β-decay was obtained to be 1.44±0.04MeV.Thus Q_B of ²³⁵Th was determined to be 1.47±0.07MeV.