• J N De

      Articles written in Pramana – Journal of Physics

    • Structure calculations in18O nucleus

      J N De M K Pal

      More Details Abstract Fulltext PDF

      A multishell Hartree-Fock calculation for18O nucleus has been done with the Tabakin and Hamada-Johnston interactions followed by pairing correlations and angular momentum projection. TheB(E2) transition rates have been reproduced with an effective charge of 1.5e for protons and 0.5e for neutrons, but the fit to energy levels is poor. An approximate alternative formalism has then been developed which casts the eighteen-particle problem into a two-valence nucleon problem. The two valence nucleons interact through the RPA-type oscillation modes of the core. Calculations with the two interactions mentioned above have reproduced roughly the uncorrelated projected Hartree-Fock spectrum. Lastly, the excited band spectra of18O have been examined in the TDA approach followed by band mixing.

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