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The Structure Properties of Even-Even 216-226Ra Isotopes | ||
| Rafidain Journal of Science | ||
| Article 8, Volume 28, Issue 1, 2019, Pages 61-72 PDF (2.5 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.33899/rjs.2019.159399 | ||
| Authors | ||
| Imad M. Ahmed; Nabaa N. Abdullah | ||
| Abstract | ||
| The properties of even-even 216-226Ra isotopes were studied and its energy states calculated. To identify the properties of each isotope, the values of the first excited state and the ratio of the second to the first excited state were adopted. The phenomenon of back (or up)-bending, the E-GOS curve, the relationship between successive excited states to those preceding them and the odd-even staggering were studied. The appropriate limit in the interacting boson model IBM-1, the IVBM model and the Bohr and Mottelson (BM) model were used to calculate the energy states for each isotope and compared the results with the experimental values. Due to the inaccuracy of some calculations in the models IVBM and BM, an adjustment term was added for each model and recalculated the energy states and the results were improved . | ||
| Keywords | ||
| IBM band IVBM; Ra even; even isotopes | ||
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