Effects of Octupole Correlations for Positive-Parity States of Eyen-Even Nuclei in Rotational Regions

Qian Chengde

Chinese Physics C> 1994, Vol. 18> Issue(Z1) : 103-112

Effects of Octupole Correlations for Positive-Parity States of Eyen-Even Nuclei in Rotational Regions

Qian Chengde

Department of Applied Physics, Shanghai Jiaotong University, Shanghai, China

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Abstract：
Within the framework of the U_sdpf(16) interacting boson model, the effects of the octupole degree of freedom p- and f-bosons on the positive-parity states of even-even nuclei in rotational regions are discussed. It is shown that configurations of an even number of p-and f-bosons can not only be incorporated into the usual ground state band, β-, γ-vibrational bands, but also naturally form the K^π=1⁺, 3⁺ rotation bands, etc.. This result is similar to that of the U_sds(15)-IBM. The result is consistent with that of U_sd-IBM. E₂ transition probabilities are discussed briefly.
- U_sdpf(16)-IBM ,
- octupole correlations ,
- ¹⁷⁶Hf ,
- K^π= 1⁺ ,
- 3⁺ rotational bands

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Qian Chengde. Effects of Octupole Correlations for Positive-Parity States of Eyen-Even Nuclei in Rotational Regions[J]. Chinese Physics C, 1994, 18(Z1): 103-112.

Qian Chengde. Effects of Octupole Correlations for Positive-Parity States of Eyen-Even Nuclei in Rotational Regions[J]. Chinese Physics C, 1994, 18(Z1): 103-112. shu

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Received: 1993-02-01

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Effects of Octupole Correlations for Positive-Parity States of Eyen-Even Nuclei in Rotational Regions

Qian Chengde

Department of Applied Physics, Shanghai Jiaotong University, Shanghai, China

Received Date: 1993-02-01

Abstract: Within the framework of the U_sdpf(16) interacting boson model, the effects of the octupole degree of freedom p- and f-bosons on the positive-parity states of even-even nuclei in rotational regions are discussed. It is shown that configurations of an even number of p-and f-bosons can not only be incorporated into the usual ground state band, β-, γ-vibrational bands, but also naturally form the K^π=1⁺, 3⁺ rotation bands, etc.. This result is similar to that of the U_sds(15)-IBM. The result is consistent with that of U_sd-IBM. E₂ transition probabilities are discussed briefly.