Microscopic Mechanism of Identical Multi-Quasiparticle Bands

Zeng Jinyan; Lei Yian; Zhao Enguang

Chinese Physics C> 1997, Vol. 21> Issue(S1) : 483-490

Microscopic Mechanism of Identical Multi-Quasiparticle Bands

1 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, China;
2 Department of Physics, Peking University, Beijing, China

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Abstract：
The intrinsic structure of identical bands is demonstrated by using the particle-number-conserving (PNC) treatment. The occurrence of almost identical moments of inertia is the result of competition among the shell effect (including shape variation), the pairing (anti-alignment) effect, and the blocking (antipairing) effect. The observed moments of inertia of identical multi-quasiparticle bands are reproduced quite well by the PNC calculation without free parameters.
- identical multi-quasiparticle band ,
- blocking effect ,
- particle-number-conserving method

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Zeng Jinyan, Lei Yian and Zhao Enguang. Microscopic Mechanism of Identical Multi-Quasiparticle Bands[J]. Chinese Physics C, 1997, 21(S1): 483-490.

Zeng Jinyan, Lei Yian and Zhao Enguang. Microscopic Mechanism of Identical Multi-Quasiparticle Bands[J]. Chinese Physics C, 1997, 21(S1): 483-490. shu

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Received: 1996-01-04

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Supported by the National Natural Science Foundation of China and the Postdoctorate Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

Microscopic Mechanism of Identical Multi-Quasiparticle Bands

1 Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, China;
2 Department of Physics, Peking University, Beijing, China

Received Date: 1996-01-04

Fund Project: Supported by the National Natural Science Foundation of China and the Postdoctorate Foundation of China.

Abstract: The intrinsic structure of identical bands is demonstrated by using the particle-number-conserving (PNC) treatment. The occurrence of almost identical moments of inertia is the result of competition among the shell effect (including shape variation), the pairing (anti-alignment) effect, and the blocking (antipairing) effect. The observed moments of inertia of identical multi-quasiparticle bands are reproduced quite well by the PNC calculation without free parameters.