IJMCR ISSN: 2321–3124
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Article Published In Vol.5 (May-June-2017)

QPRM calculation of Band Structures in A~100

Author : O. Jdair, J. Inchaouh, M. K. Jammari, A. Khouaja, M. Ferricha-Alami and H. Chakir

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Study of nuclear structure exhibits a wide variety of modes of nuclear excitations. The A ~ 100 mass region demonstrate a rich diversity of structure phenomena. In this context we utilized the theoretical method based on the quasiparticle-phonon coupling is developed for a microscopic description of the low-lying states for odd nuclei of the A ~ 100 mass of transitional region with application to Sr, Zr, Mo and Ru. The individual excitation is retained in a deformed average field of Nilsson and a monopole pairing interaction. The collectif vibrational motion is represented by including the quadrupole phonon term given from the Tamm-Dancoff Approximation. The two effects of recoil and Coriolis forces are included with the assumption of a symmetric rotation motion. To determine the intrinsic states of an odd-nucleus we adopted an exact diagonalization in the basis of both 1-quasiparticle and quasiparticle-phonon states. This contribution will conclude with an overview of recent results obtained for theoretical level schemes of 99Sr, 101Zr, 103Mo and 105Ru and compared with the existing experimental data.

Keywords: The A ~ 100 mass region; BCS approximation; low-lying levels; TDA phonon

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