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Recent shell-model results for exotic nuclei

EPJ Web of Conferences. 2014;66:02106 DOI 10.1051/epjconf/20146602106


Journal Homepage

Journal Title: EPJ Web of Conferences

ISSN: 2100-014X (Online)

Publisher: EDP Sciences

LCC Subject Category: Science: Physics

Country of publisher: France

Language of fulltext: English

Full-text formats available: PDF



Utsuno Yusuke

Otsuka Takaharu

Shimizu Noritaka (Center for Nuclear Study, University of Tokyo, Hongo)

Honma Michio (National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University)

Mizusaki Takahiro (Institute for Natural Sciences, Senshu University)

Tsunoda Yusuke (Department of Physics, University of Tokyo, Hongo)

Abe Takashi (Department of Physics, University of Tokyo, Hongo)


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Time From Submission to Publication: 6 weeks


Abstract | Full Text

We report on our recent advancement in the shell model and its applications to exotic nuclei, focusing on the shell evolution and large-scale calculations with the Monte Carlo shell model (MCSM). First, we test the validity of the monopole-based universal interaction (VMU) as a shell-model interaction by performing large-scale shell-model calculations in two different mass regions using effective interactions which partly comprise VMU. Those calculations are successful and provide a deeper insight into the shell evolution beyond the single-particle model, in particular showing that the evolution of the spin-orbit splitting due to the tensor force plays a decisive role in the structure of the neutron-rich N ∼ 28 region and antimony isotopes. Next, we give a brief overview of recent developments in MCSM, and show that it is applicable to exotic nuclei that involve many valence orbits. As an example of its applications to exotic nuclei, shape coexistence in 32Mg is examined.