Coexistence of Rotational Bands and α Cluster Correlations in ^<42>Ca(YKIS2011 Papers,Frontier Issues in Physics of Exotic Nuclei)

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概要

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• Coexistence of various low-lying rotational bands in N≠Z nucleus ^<42>Ca and α-^<38>Ar correlations in the deformed states have been investigated using the deformed-basis anti-symmetrized molecular dynamics. Wave functions of low-lying states are obtained by the parity and angular momentum projections and the generator coordinate method (GCM). The GCM basis are obtained by energy variations with constraints on quadrupole deformation parameter β and intercluster distance between α and ^<38>Ar clusters. The rotational band built on the J^π=0^+_2 (1.84 MeV) state is reproduced, and coexistence of two more K^π=0^+ rotational bands is predicted. Members of the ground state band and the rotational band built on the J^π=0^+_3 (3.30 MeV) state contain α-^<38>Ar cluster structure components. Variety of combinations of particle-hole configurations for protons and neutrons develops rich structures in ^<42>Ca.

• 2012-10-22

著者

• TANIGUCHI Yasutaka

  RIKEN Nishina Center for Accelerator-Based Sciense, RIKEN

• TANIGUCHI Yasutaka

  RIKEN

関連論文

• Separation of a Slater Determinant Wave Function with a Neck Structure into Spatially Localized Subsystems(Nuclear Physics)
• Coexistence of Rotational Bands and α Cluster Correlations in ^Ca(YKIS2011 Papers,Frontier Issues in Physics of Exotic Nuclei)
• Clustering Aspects of Highly Excited States and Neutron-Rich Nuclei(YKIS2011 papers,Frontier Issues in Physics of Exotic Nuclei)
• Clustering Aspects of Highly Excited States and Neutron-Rich Nuclei

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