Alpha Cluster Formation in ^<20>Ne in the Cluster-Orbital Shell Model. II : Nuclear Physics

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概要

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• A cluster-orbital shell model is applied to study the mechanism of α-cluster formation in ^<20>Ne. For this purpose a realistic effective interaction between the valence nucleons is carefully determined and tested through the low-lying levels of the sd shell nuclei. A calculation including all the configurations up to 4&plank;ω excitation is done for the 0^+ levels of ^<20>Ne. Three 0^+ states that correspond to the states at Ε_x=0, 6.72 and 10.97 MeV are reproduced very well. The calculation also predicts such a state that has a large reduced α-width amplitude and can be considered the broad state at 8.7 MeV. The percentage analysis of the wave functions is done to shed light on the mechanism of α-cluster formation.

• 1992-08-25

著者

• OGAWA Kaku

  Department of Physics, Kyoto University

• SUZUKI Yasuyuki

  Physics Department, Niigata University

• Ogawa Kengo

  College Of Arts And Sciences Chiba University

• Hara Shigehiro

  Graduate School Of Technology Niigata University

• Suzuki Yasuyuki

  Physics Department Niigata University

• HARA Shigehiro

  Graduate School of Technology, Niigata University

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