Structure of the lightest tin isotopes

Morris, T. D.; Simonis, J.; Stroberg, S. R.; Stumpf, C.; Hagen, G.; Holt, J. D.; Jansen, G. R.; Papenbrock, T.; Roth, R.; Schwenk, Achim

doi:10.1103/PhysRevLett.120.152503

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Structure of the lightest tin isotopes

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Schwenk, Achim
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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https://doi.org/10.1103/PhysRevLett.120.152503
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Citation

Morris, T. D., Simonis, J., Stroberg, S. R., Stumpf, C., Hagen, G., Holt, J. D., et al. (2018). Structure of the lightest tin isotopes. Physical Review Letters, 120(15): 152503. doi:10.1103/PhysRevLett.120.152503.

Cite as: https://hdl.handle.net/21.11116/0000-0001-BBD5-C

Abstract

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.