Evaluation of the 1077 keV γ-ray emission probability from <SUP>68</SUP>Ga decay

HUANG Xiao-Long; JIANG Li-Yang; CHEN Xiong-Jun; CHEN Guo-Chang

doi:10.1088/1674-1137/38/4/044001

Chinese Physics C> 2014, Vol. 38> Issue(4) : 044001 DOI: 10.1088/1674-1137/38/4/044001

Evaluation of the 1077 keV γ-ray emission probability from ⁶⁸Ga decay

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Abstract：
⁶⁸Ga decays to the excited states of ⁶⁸Zn through the electron capture decay mode. New recommended values for the emission probability of 1077 keV γ-ray given by the ENSDF and DDEP databases all use data from absolute measurements. In 2011, JIANG Li-Yang deduced a new value for 1077 keV γ-ray emission probability by measuring the ⁶⁹Ga(n,2n) ⁶⁸Ga reaction cross section. The new value is about 20% lower than values obtained from previous absolute measurements and evaluations. In this paper, the discrepancies among the measurements and evaluations are analyzed carefully and the new values are re-recommended. Our recommended value for the emission probability of 1077 keV γ-ray is (2.72± 0.16)%.

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HUANG Xiao-Long, JIANG Li-Yang, CHEN Xiong-Jun and CHEN Guo-Chang. Evaluation of the 1077 keV γ-ray emission probability from ⁶⁸Ga decay[J]. Chinese Physics C, 2014, 38(4): 044001. doi: 10.1088/1674-1137/38/4/044001

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Received: 2013-05-22
Revised: 2013-12-09

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Evaluation of the 1077 keV γ-ray emission probability from ⁶⁸Ga decay

Corresponding author: HUANG Xiao-Long,

Received Date: 2013-05-22

Accepted Date: 2013-12-09

Available Online: 2014-04-05

Abstract: ⁶⁸Ga decays to the excited states of ⁶⁸Zn through the electron capture decay mode. New recommended values for the emission probability of 1077 keV γ-ray given by the ENSDF and DDEP databases all use data from absolute measurements. In 2011, JIANG Li-Yang deduced a new value for 1077 keV γ-ray emission probability by measuring the ⁶⁹Ga(n,2n) ⁶⁸Ga reaction cross section. The new value is about 20% lower than values obtained from previous absolute measurements and evaluations. In this paper, the discrepancies among the measurements and evaluations are analyzed carefully and the new values are re-recommended. Our recommended value for the emission probability of 1077 keV γ-ray is (2.72± 0.16)%.

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Evaluation of the 1077 keV γ-ray emission probability from ⁶⁸Ga decay

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Evaluation of the 1077 keV γ-ray emission probability from 68Ga decay

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Evaluation of the 1077 keV γ-ray emission probability from 68Ga decay

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Evaluation of the 1077 keV γ-ray emission probability from ⁶⁸Ga decay

Evaluation of the 1077 keV γ-ray emission probability from ⁶⁸Ga decay