Accepted Paper

Phenomenological Description of Features of Even-Even 230-238U isotopes in Framework of Modified Sood Model

K.A. Gado1,2
1Department of Physics, Faculty of Science and Arts, Al-Mikhwah, Al-Baha University, Saudi Arabia
2Basic Sciences Department, Bilbeis Higher Institute for Engineering (BHIE), Bilbeis 44713, Sharqia, Egypt
Abstract. A modified Sood model was used to investigate the effects of rotation-vibration. As a consequence, it is indicated that the energy expression as a rational polynomial (RP) in total angular momentum I provides an excellent approximation to the ground state band excitation energies in U (A = 230–238). The shape of the nucleus in uranium even-even isotopes is controlled by a softness parameter, and the softness is believed to prevent the nucleus from becoming a rigid entity. The reason is discussed on the basis of the centrifugal stretching as well as the shrinkage.

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