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

  • Within the framework of the Usdpf (16) interacting boson model, effects of theoctupole degree of freedom p-and f-bosons on the positive-parity states of even-evennuclei in rotational regions are discussed. It is shown that configurations of an evennumber of p-and f-bosons not only can be incorporated into the usual ground stateband, β- .γ-vibrational bands, but also naturally form the Kπ=1+.3+ rotational bandsetc. This result is similar to that of the Usdg (15)-IBM. Besides, E2 transition probabilities are discussed briefly.
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  • [1] A.Arima and F.Iackello,Ann.Phys,99(1976)253;111(1978)201;123(1979)468.[2]J.Engel and F.Iachello,Nucl.Phys,A472(1987)61.[3]H.C.Wu,Phys.Lett,110B(1982)1.[4]曾家刚、廖继志,高能物理与核物理,11(1987)409.[5]D.Kusnezov,J.Phys,A23(1990)5673.[6]吴华川,高能物理与核物理,10(1986)605.[7]Sun Hongzhou et al,Chin.J.Nucl.Phys,13(1991)121.[8]Qian Chengde Chin.J.Nucl.Phys,12(1990)193.[9]钱诚德,原子核物理,4(1982)223.[10]D.J.Horen,Nucl.Data Sheets,19(1976)383.
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Qian Chengde. Effects of Positive-Parity States Octupole Correlations for Even-Even Nuclei in Rotational Regions[J]. Chinese Physics C, 1994, 18(5): 473-480.
Qian Chengde. Effects of Positive-Parity States Octupole Correlations for Even-Even Nuclei in Rotational Regions[J]. Chinese Physics C, 1994, 18(5): 473-480. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Effects of Positive-Parity States Octupole Correlations for Even-Even Nuclei in Rotational Regions

    Corresponding author: Qian Chengde,
  • Shanghai Jiaotong University, Shanghai 200030

Abstract: Within the framework of the Usdpf (16) interacting boson model, effects of theoctupole degree of freedom p-and f-bosons on the positive-parity states of even-evennuclei in rotational regions are discussed. It is shown that configurations of an evennumber of p-and f-bosons not only can be incorporated into the usual ground stateband, β- .γ-vibrational bands, but also naturally form the Kπ=1+.3+ rotational bandsetc. This result is similar to that of the Usdg (15)-IBM. Besides, E2 transition probabilities are discussed briefly.

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