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The Electroexcitation of Low-Lying, Collective, Positive Parity, T=1 States in 18O, Based on the Particle-Particle Random Phase Approximation
並列摘要
This work presents a theoretical investigation of the collective, even parity, low-lying isovector transitions in 18O, based on the particle-particle Random Phase Approximation (pp RPA). The Hamiltonion is diagonalized in the orbits 0s, 0p, 1s, and 0d in the presence of the modified surface delta interaction (MSDI). Increased correlation with the ground state is assumed by the inclusion of an admixture from higher orbits, this shows a major contribution that leads to an enhancement in the calculations of the inelastic form factors. Configurations outside the model space are included approximately, in terms of polarization effective charges. A comparison with the experiments concerning the energy level values and the available electromagnetic transition form factors is presented.
並列關鍵字
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