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Formation and decay of resonance states in ~9Be and ~9B nuclei: Microscopic three-cluster model investigations

机译:在〜9be和〜9b核中的形成和衰减序列:微观三簇模型调查

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摘要

We study the nature of the low-lying resonance states in mirror nuclei ~9Be and ~9B. Investigations are performed within a three-cluster model. The model makes use of the hyperspherical harmonics, which provides a convenient description of the three-cluster continuum. The dominant three-cluster configurations α + α + n and α + α + p in ~9Be and ~9B, respectively, are taken into account. Dominant decay channels for all resonance states in ~9Be and ~9B are explored. Much attention is paid to the controversial 1/2~+ resonance states in both nuclei. We study effects of the Coulomb interaction on the energy and width of three-cluster resonances in the mirror nuclei ~9Be and ~9B.We also search for the Hoyle-analog state, which is a key step for alternative ways to synthesize ~9Be and ~9B in triple collisions of clusters in a stellar environment.
机译:我们研究了镜子核〜9be和〜9b中的低位共振状态的性质。调查在三簇模型中进行。该模型利用超球的谐波,其提供了三簇连续体的方便描述。考虑到〜9be和〜9b的主导三集群配置α+α+ n和α+α+ p。探讨了〜9be和〜9B的所有共振状态的主导衰变渠道。在两个核中的争议1/2〜+共振状态下,关注很多。我们研究了库仑相互作用对镜子核中三簇共振的能量和宽度的影响,〜9B。我们还搜索了霍伊尔模拟状态,这是合成〜9be和合成〜9be的替代方式的关键步骤〜9B在恒星环境中的簇的三重碰撞中。

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  • 来源
    《Physical Review C》 |2017年第2017期|034322.1-034322.14|共14页
  • 作者单位

    Bogolyubov Institute for Theoretical Physics Kiev 03143 Ukraine;

    Nuclear Reaction Data Centre Faculty of Science Hokkaido University Sapporo 060-0810 Japan;

    Al-Farabi Kazakh National University Almaty 050040 Kazakhstan;

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