The spectra of nuclides involving few valence particles or holes far from β¯ stability are important tools to develop our knowledge about nuclear forces and N-N interaction. In order to understand the monopole interaction effect on the properties of nuclear structure of these nuclei, we have performed shell model calculations using recent experimental single particle energies, by means of Oxbash nuclear structure code. The two-body matrix elements of the effective interaction were deduced from those of kh5082 original interaction, taking into account the nuclear monopole effect in ¹³²Sn mass region. The obtained spectroscopic properties for ¹³⁴Te nucleus are in good agreement with the experiment.
In this study, the levels of natural and anthropogenic radioactivity in the sediment samples, collected from Beni Haroun Dam, were investigated using gamma-ray spectrometry. The results obtained for the ²³⁸U, ²³²Th series, ⁴⁰K natural element and ¹³⁷Cs anthropogenic radionuclide are discussed. To evaluate the radiological hazard of radioactivity in samples, the absorbed dose rate, the annual effective dose, the radium equivalent activity Ra_{eq}, the external and internal hazard indices H_{ex} and H_{in} were calculated and presented in comparison with the data collected from different areas in the world.
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