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arXiv 1602.08871nucl-th
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丰中子核的衰变模

Modes of decay in neutron-rich nuclei

B. Kumar, S. K. Biswal, S. K. Singh, C. Lahiri, S. K. Patra

摘要:

采用相对论平均场方法,采用轴向形变基,计算了富中子钍和铀同位素的基态、第一内禀激发态和密度分布。计算了总核子密度,由此确定了母核内部的团簇结构。分析了α衰变和\b{eta}衰变的可能模式。我们发现丰中子同位素对α衰变是稳定的,而对\b{eta}衰变则非常不稳定。预计这些原子核的寿命为数十秒(相对于\b{eta}衰变)。

英文摘要:

We calculate the ground, first intrinsic excited states and density distribution for neutron-rich thorium and uranium isotopes, within the framework of relativistic mean field(RMF) approach using axially deformed basis. The total nucleon densities are calculated, from which the cluster-structures inside the parent nuclei are determined. The possible modes of decay, like α-decay and \b{eta} -decay are analyzed. We find the neutron-rich isotopes are stable against α-decay, however they are very much unstable against \b{eta} -decay. The life time of these nuclei predicted to be tens of second against \b{eta} -decay.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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