Print ISSN: 1812-125X

Online ISSN: 2664-2530

Keywords : isotopes


Changes in properties of Ba132-126 even-even isotopes

Zeena Hameed Salih; Imad Mamdooh Ahmad

JOURNAL OF EDUCATION AND SCIENCE, 2013, Volume 26, Issue 3, Pages 95-107
DOI: 10.33899/edusj.2013.89901

Abstract
The energy of the first exited state , and , , and for 132-126Ba even-even isotopes are compared with the standard values for the three limits, the vibration U(5), gamma-soft O(6) and the rotational SU(3). The back-bending curve and the relation between as a function of ( E-GOS) are drawn for these isotopes to have more information about their properties. Calculation of the energy of different states along the yrast region has been done using the standard relations for each limit, U(5), O(6) and SU(3) and a comparison with the experimental data show that they have the O(6) property for low-lying states and a O(6) – U(5) property for the high states, except for 132 Ba that shows a O(6) – U(5) property for all these states with different values of parameters along the yrast region. The interacting boson model IBM-1 has been used to calculate the energy of different states along the yrast region applying a suitable limit for each isotopes. A program with MATLAB 6.5 has been built for this purpose. Agood agreement with the experimental data was obtained.

Change in conjugated even-even molybdenum, isotopes, in different energy states

Emad Ahmed; ruaa alnaema

JOURNAL OF EDUCATION AND SCIENCE, 2012, Volume 25, Issue 1, Pages 96-106
DOI: 10.33899/edusj.2012.58988

ABSTACTS
The properties of the different states of even-even isotopes have been established. The examination of the energy of state and the ratio for these isotopes show that the isotope has a vibration property but the others have -unstable property as approached from the rotation property. Drawing as a function of for these isotopes showed a variation of their property, and to confirm these variation the suitable equations for each limit have been used to calculate the energy of different states of these isotopes. The interacting boson model has been applied to calculate the energy of different states and a comparison with the experimental data showed good agreements.