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Abstract
The behavior of yrast bands in the rotating 78-proton even-even Pt isotopes up to high angular momentum were studied through spectroscopy of the discrete γ-rays.
Two methods of calculations have been used to fit the previously presented data on rotationally aligned quasi-particle bands in 176-186Pt.
This thesis is concerned with studying of nuclear structure of the yrast bands in 176-186Pt nuclei.
This has been carried out by studying the discrete line transitions in aligned bands of the six nuclei, even Pt isotopes 176-186Pt. Recent studies of the discrete de-excitation gamma rays from heavy ion fusion reactions have revealed many interesting phenomena such as backbending and nuclear shape changes.
The thesis consists of three chapters:
Chapter one: is a general introduction to nuclear models.
Chapter two: consists of, the methods of calculation for the prediction of the energy levels, the cranked shell model.
Chapter three: consists of the results and discussions for the six Pt
nuclei.