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21 papers · 2 filters
Energy Centroids of Spin States by Random Two-body Interactions
Y. M. Zhao, A. Arima, K. Ogawa
In this paper we study the behavior of energy centroids (denoted as ) of spin states in the presence of random two-body interactions, for systems ranging from very s…
Particle-number conservation within self-consistent random-phase approximation
Nguyen Dinh Dang
The self-consistent random-phase approximation (SCRPA) is reexamined within a multilevel-pairing model with double degeneracy. It is shown that the expressions for occupation numbe…
Tensor correlation in 4He and its Effect on the doublet splitting in 5He
Takayuki Myo, Kiyoshi Kato, Kiyomi Ikeda
We investigate the role of tensor correlation on the structures of \nuc{4}{He} and its effect on the doublet splitting in \nuc{5}{He}. We perform a configuration mixing calculation…
Cluster structure in stable and unstable nuclei
Y. Kanada-En'yo, M. Kimura, H. Horiuchi
Cluster structure in stable and unstable nuclei has been studied. We report recent developments of theoretical studies on cluster aspect, which is essential for structure study of…
Anomalous Properties of Quadrupole Collective States in Te and beyond
Noritaka Shimizu, Takaharu Otsuka, Takahiro Mizusaki +1
The ground and low-lying states of neutron-rich exotic Te and Sn isotopes are studied in terms of the nuclear shell model by the same Hamiltonian used for the spherical-deformed sh…
Reaction cross section described by a black sphere approximation of nuclei
Akihisa Kohama, Kei Iida, Kazuhiro Oyamatsu
We identify a length scale that simultaneously accounts for the observed proton-nucleus reaction cross section and diffraction peak in the proton elastic differential cross section…