Isospin Effect on s-d Level Spacing of F Isotopes
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Graphical Abstract
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Abstract
The level structures of O and F isotopes are investigated in the framework of the singleparticle potential model. The isospin effect on the sd level spacing in F isotopes is studied by introducing an isospindependent term in the depth of the WoodsSaxon potential. The theoretical results of RMS radii and spinparity values are in agreement with the experimental data. In particular, the level inversion between proton levels of 2s1/2 and 1d5/2 in 16F, 15F and 14F is reproduced. The global tendency of the s-d level spacing agrees with the observed fact. In addition, the study confirms the oneproton halo structure in 17F(2s1/2).
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