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

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

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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