Alpha-decay branching ratios to high-lying excited-states of the 242Cm→238Pu→234U→230Th→226Rn decay chain

ZHANG Jin-Juan; XU Chang; REN Zhong-Zhou

doi:10.1088/1674-1137/33/9/010

Chinese Physics C> 2009, Vol. 33> Issue(9) : 764-768 DOI: 10.1088/1674-1137/33/9/010

Alpha-decay branching ratios to high-lying excited-states of the ²⁴²Cm→²³⁸Pu→²³⁴U→²³⁰Th→²²⁶Rn decay chain

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Abstract：
We present a systematic calculation on the α-decay branching ratios to excited-states of an even-even α-decay chain ²⁴²Cm→²³⁸Pu→²³⁴U→²³⁰Th→²²⁶Rn by the improved barrier penetration approach. The changes of the parities between the parent nuclei and the daughter nuclei are properly taken into account. The theoretical values are compared with the available experimental data and the deviation between them is within a factor of 5 in most cases.

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ZHANG Jin-Juan, XU Chang and REN Zhong-Zhou. Alpha-decay branching ratios to high-lying excited-states of the ²⁴²Cm→²³⁸Pu→²³⁴U→²³⁰Th→²²⁶Rn decay chain[J]. Chinese Physics C, 2009, 33(9): 764-768. doi: 10.1088/1674-1137/33/9/010

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Received: 2008-12-22
Revised: 2009-02-19

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沈阳化工大学材料科学与工程学院沈阳 110142

Alpha-decay branching ratios to high-lying excited-states of the ²⁴²Cm→²³⁸Pu→²³⁴U→²³⁰Th→²²⁶Rn decay chain

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Alpha-decay branching ratios to high-lying excited-states of the ²⁴²Cm→²³⁸Pu→²³⁴U→²³⁰Th→²²⁶Rn decay chain

Corresponding author: ZHANG Jin-Juan,

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