Chinese Physics C > 1999, Vol. 23 > Issue(6): 546-551

Correction of²⁴Mg Collective States With Three-Body Non-diagonal Boson Interaction

Di Yaomin^,,
Lu Huaping

Xuzhou Normal University, Xuzhou 221009

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Abstract：
Although it has been verified that the interacting boson model (IBM) can be applied to light nuclei in sd shell successfully, the deficiency shll exists. The level of experimental spectrum of ²⁴Mg is much higher than 3. The similar result can not be obtained by using of conventional IBM, in which only one-body and two-body interactions are concerned. Three-body interactions have been discussed by some authors, but the authers mainly considered the diagonal interactions. Moreover,the defect mentioned above can not be solved with these interactions. Introducing three-body non-diagonal interaction, the energy levels of ²⁴Mg are calculated, the difficulty of low 0 theoretical level is overcome and the coincidence betWeen theory and experiment is improved. This work illustrates that in some cases the three-body non-diagonal boson interaction is important.

References

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Di Yaomin and Lu Huaping. Correction of ²⁴Mg Collective States With Three-Body Non-diagonal Boson Interaction[J]. Chinese Physics C, 1999, 23(6): 546-551.

Di Yaomin and Lu Huaping. Correction of ²⁴Mg Collective States With Three-Body Non-diagonal Boson Interaction[J]. Chinese Physics C, 1999, 23(6): 546-551. shu

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Received: 1998-04-03
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Correction of²⁴Mg Collective States With Three-Body Non-diagonal Boson Interaction

Corresponding author:Di Yaomin,

Xuzhou Normal University, Xuzhou 221009

Received Date:1998-04-03

Accepted Date:1900-01-01

Available Online:1999-06-05

Abstract:Although it has been verified that the interacting boson model (IBM) can be applied to light nuclei in sd shell successfully, the deficiency shll exists. The level of experimental spectrum of²⁴Mg is much higher than 3. The similar result can not be obtained by using of conventional IBM, in which only one-body and two-body interactions are concerned. Three-body interactions have been discussed by some authors, but the authers mainly considered the diagonal interactions. Moreover,the defect mentioned above can not be solved with these interactions. Introducing three-body non-diagonal interaction, the energy levels of²⁴Mg are calculated, the difficulty of low 0 theoretical level is overcome and the coincidence betWeen theory and experiment is improved. This work illustrates that in some cases the three-body non-diagonal boson interaction is important.

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Correction of²⁴Mg Collective States With Three-Body Non-diagonal Boson Interaction

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