sdg-IBM1 Calculations for Osmium Nuclei | ||
| Egyptian Journal of Physics | ||
| Article 2, Volume 50, Issue 1, 2022, Pages 13-24 PDF (1.53 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejphysics.2021.54891.1061 | ||
| Authors | ||
| Bilal R. Obaid1; saad N. Abood2; Laith A Najam* 3 | ||
| 1Physics Department College of Science AL-Nahrain University | ||
| 2Physics Department College of Science AL-Nahrain University Baghdad, IRAQ | ||
| 3Mosul University, College of Science | ||
| Abstract | ||
| In the framework of the sdg-interacting boson model (sdg-IBM1), we study the nuclear structure of Os isotopes. Recent calculations of E2 and E4 transitions in the Os isotopes that can not be clarified in the sd-boson models need this extension. We illustrate how gamma-unstable and triaxial shapes arise from special Hamiltonian sdg- model choices and explore ways to restrict the number of free parameters through conditions of consistency and coherence. Os nuclei, a satisfactory explanation of E2 and E4 properties is obtained, which also predicts complex shape transitions in these isotopes.In summary, a coherent overview of the E2 and E4 properties in the Os using a restricted set of parameters, isotopes were obtained. The problems with the transitions of quadrupole moments, yrast E2 and E4, which cannot be clarified in the sd-models, have been resolved satisfactorily. The complex shape transitions that could be checked with the new 4 -detector systems "Euroball" and "Gamma-Sphere" are an important prediction of the current calculations. | ||
| Keywords | ||
| Interacting Boson Model; Energy Levels; B(E2); B(M1) | ||
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