Bohr Hamiltonian with inversely quadratic Yukawa plus screened Kratzer potential for triaxial nuclei

被引：1

作者：

Etolo, H. D. Yia ^{[1
]}

Ongodo, D. Nga ^{[1
]}

Anemena, E. ^{[1
]}

Likene, A. Atangana ^{[1
,2
]}

Ben-Bolie, G. H. ^{[1
]}

机构：

[1] Univ Yaounde I, Fac Sci, Dept Phys, Lab Atom Mol & Nucl Phys, POB 812, Yaounde, Cameroon

[2] Inst Geol & Min Res, Nucl Technol Sect NTS, POB 4110, Yaounde, Cameroon

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS E | 2022年 / 31卷 / 10N11期

关键词：

Triaxial nuclei; Bohr Ilamiltonian; B(E2) transition rates; parametric Nikiforov-Uvarov method; staggering effect; QUANTUM PHASE-TRANSITIONS; ANALYTICAL APPROXIMATIONS; SCHRODINGER-EQUATION; MODEL DESCRIPTION; CRITICAL-POINT; SYMMETRIES;

D O I：

10.1142/S0218301322500963

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Bohr Hamiltonian with inversely quadratic Yukawa plus screened Kratzer potential for the beta-part and a harmonic oscillator for the gamma-part is investigated. The expressions of energies and wave functions are obtained using the parametric Nikiforov-Uvarov method. The obtained results are used to evaluate the normalized eigen energies, the root mean square deviation and B(E2) transition rates of (192)pt, (194)pt and 196 Pt atomic nuclei. The numerical results of our model are compared to those of other relevant theoretical models and experimental data. Furthermore, to test the sensitive signature of triaxiality, we used some indicators such as the staggering effect in the gamma-band. It appears that the results provided by our calculations are in accordance with experimental values and improved in comparison with previous models.

引用

页数：16

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