Surface Delta-Interaction in Nucleon-Pair Shell Model

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Surface Delta-Interaction in Nucleon-Pair Shell Model

LUO Yan-An,^1,2 PAN Feng,^2,3 NING Ping-Zhi,¹ and J.P. Draayer²

¹ Department of Physics, Nankai University, Tianjin 300071, China
² Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803-4001, USA
³ Department of Physics, Liaoning Normal University, Dalian 116029, China

Received: 2004-01-19 Revised: 1900-01-01 Published: 2004-09-15
Contact: LUO Yan-An

Abstract

Abstract: The effect of surface delta-interaction (SDI) in nucleon-pair shell model truncated to an SD-subspace is studied. The results show that with the single-particle level splitting fully taken into account, for realistic SDI strength, the surface delta-interaction also enhance the E2 and M1 transitions of low-lying states.

Key words: nucleon-pair shell model, surface delta-interaction, spectrum, E2 and M1 transitions

PACS numbers:

21.60.Cs

LUO Yan-An,, PAN Feng,, NING Ping-Zhi, and J.P. Draayer, Commun. Theor. Phys. 42 (2004) 397.

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Surface Delta-Interaction in Nucleon-Pair Shell Model

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