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首页> 外文期刊>Physical review, C >Approaching the neutron-rich heavy and superheavy nuclei by multinucleon transfer reactions with radioactive isotopes
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Approaching the neutron-rich heavy and superheavy nuclei by multinucleon transfer reactions with radioactive isotopes

机译：通过与放射性同位素的多核转移反应接近富含中子的重质和过度核

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摘要

The dynamical mechanism of multinucleon transfer reactions was investigated within the dinuclear system model, in which the sequential nucleon transfer is described by solving a set of microscopically derived master equations. Production cross sections, total kinetic energy spectra, and angular distribution of formed fragments in the reactions of Sn-124,Sn-132 + U-238/Cm-248 near Coulomb barrier energies are thoroughly analyzed. It is found that the total kinetic energies of primary fragments are dissipated from the relative motion energy and rotational energy of the two colliding nuclei. The fragments are formed in the forward angle domain. The energy dependence of the angular spectra is different between projectilelike and targetlike fragments. Isospin equilibrium is governed under the potential energy surface. The production cross sections of neutron-rich isotopes are enhanced around the shell closure.
机译：研究了多核转移反应的动态机制在进的核系统模型中，其中通过求解一组显微级衍生的母线方程来描述顺序核聚核算。 彻底分析了生产横截面，总动能光谱和所形成的片段的形成片段的角分布，分析了Coulomb屏障能量附近的Sn-132 + U-238 / cm-248。 发现初级片段的总动能从两个碰撞核的相对运动能量和旋转能量消散。 片段形成在前向角域中。 角谱的能量依赖性在ProjectLike和Targetlike碎片之间是不同的。 IsoSpin均衡受到潜在能量表面的管辖。 富含中子同位素的生产横截面在壳体封闭周围得到增强。

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