α-decay half-lives of superheavy nuclei and general predictions

DONG Jian-Min; ZHANG Hong-Fei; WANG Yan-Zhao; ZUO Wei; SU Xin-Ning; LI Jun-Qing

doi:10.1088/1674-1137/33/8/007

Chinese Physics C> 2009, Vol. 33> Issue(8) : 633-638 DOI: 10.1088/1674-1137/33/8/007

α-decay half-lives of superheavy nuclei and general predictions

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Abstract：
The generalized liquid drop model (GLDM) and the cluster model have been employed to calculate the α-decay half-lives of superheavy nuclei (SHN) using the experimental α-decay Q values. The results of the cluster model are slightly poorer than those from the GLDM if experimental $Q$ values are used. The prediction powers of these two models with theoretical $Q$ values
from Audi et al. (Q_Audi) and Muntian et al. (Q_M) have been tested to find that the cluster model with Q_Audi and Q_M could provide reliable results for Z>112 but the GLDM with Q_Audi for Z≤112. The half-lives of some still unknown nuclei are predicted by these two models and these results may be useful for future experimental assignment and identification.

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DONG Jian-Min, ZHANG Hong-Fei, WANG Yan-Zhao, ZUO Wei, SU Xin-Ning and LI Jun-Qing. α-decay half-lives of superheavy nuclei and general predictions[J]. Chinese Physics C, 2009, 33(8): 633-638. doi: 10.1088/1674-1137/33/8/007

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Received: 2008-11-10
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α-decay half-lives of superheavy nuclei and general predictions

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α-decay half-lives of superheavy nuclei and general predictions

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