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Thomas-Ehrman shifts in nuclei around 16O and role of residual nuclear interaction

K. Ogawa, H. Nakada, S. Hino, R. Motegi

nucl-tharXiv:nucl-th/9902030

Abstract

The asymmetry in the energy spectra between mirror nuclei (the Thomas-Ehrman shifts) around 16O is investigated from a phenomenological viewpoint. The recent data on proton-rich nuclei indicates that the residual nuclear interaction is reduced for the loosely bound s-orbit by as much as 30%, which originates in the broad radial distribution of the proton single-particle wave function.

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