We link the structure of nuclei around ¹⁰⁰Sn, the heaviest doubly magic nucleus with equal neutron and proton numbers (N=Z=50), to nucleon-nucleon (NN) and three-nucleon (NNN) forces constrained by data of few-nucleon systems. Our results indicate that ¹⁰⁰Sn is doubly magic, and we predict its quadrupole collectivity. We present precise computations of ¹⁰¹Sn based on three-particle-two-hole excitations of ¹⁰⁰Sn, and we find that one interaction accurately reproduces the small splitting between the lowest Jπ=7/2⁺ and 5/2⁺ states.
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Morris et al. (2018) studied this question.
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