Admixture of higher multi-\hbar\omega configurations in the calculation of electron scattering form factors of some 1p-shell nuclei

Authors: AMMAR A. AL-SA'AD

Abstract: A semi-microscopic approach that modifies the 1p-shell model wave functions through the admixture of higher p-shells configurations from multi-\hbar\omega model space is submitted in this work. The longitudinal form factors of C2 transitions in ^7Li and ^{15}N, and the transverse form factors of M1 transition in ^{12}C are calculated in the framework of this approach with the emphasis on the reproduction of the second lobe data. It is found that a slight contribution of the higher multi-p-shells with the 1p-shell in the modified initial and/or final states wave functions is sufficient for giving the best description to the form factors data.

Keywords: C2 and M1 form factors, incomplete multi-\hbar\omega model space

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