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Article Published In Vol.5 (May-June-2017)

Quasiparticle-phonon description of 103Mo isotope

Pages : 517-524

Author : O. Jdair, Z.Housni, J. Inchaouh, M. K. Jammari, A. Khouaja, M. Ferricha-Alami, H. Chakir, M.L.Bouhssa, S.Boudhaim, N.Harakat, M.Fiak, M. Krim and A.Kartouni

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The evolution of the ground-state nuclear shapes in describing low-lying states of 103Mo isotope, is studied within the quasiparticle-phonon coupling plus rotor. Calculations based on the deformed mean field of Nilsson, the monopole-pairing interaction (BCS) and the quadrupole-quadrupole force. Microscopic structure of quadrupole phonon is given from the Tamm-Dancoff Approximation (TDA). The two effects of the recoil and Coriolis forces are included with the hypothesis of a symmetric rotational motion. The nuclear deformation and shape coexistence inherent to this mass region are shown to play a relevant role in the understanding of the spectroscopic features of the ground and low-lying one-quasineutron states.

Keywords: Neutron-rich nuclei; quasiparticle states; low-lying levels; γ-phonon.



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