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Boso A, Lenzi SM, Recchia F, et al. Neutron Skin Effects in Mirror Energy Differences: The Case of ^{23}Mg-^{23}Na. Phys Rev Lett. 2018;121(3):032502doi: 10.1103/PhysRevLett.121.032502.
Boso, A., Lenzi, S. M., Recchia, F., Bonnard, J., Zuker, A. P., Aydin, S., Bentley, M. A., Cederwall, B., Clement, E., de France, G., Di Nitto, A., Dijon, A., Doncel, M., Ghazi-Moradi, F., Gadea, A., Gottardo, A., Henry, T., Hüyük, T., Jaworski, G., John, P. R., Juhász, K., Kuti, I., Melon, B., Mengoni, D., Michelagnoli, C., Modamio, V., Napoli, D. R., Nyakó, B. M., Nyberg, J., Palacz, M., Timár, J., & Valiente-Dobón, J. J. (2018). Neutron Skin Effects in Mirror Energy Differences: The Case of ^{23}Mg-^{23}Na. Physical review letters, 121(3), 032502. https://doi.org/10.1103/PhysRevLett.121.032502
Boso, A, et al. "Neutron Skin Effects in Mirror Energy Differences: The Case of ^{23}Mg-^{23}Na." Physical review letters vol. 121,3 (2018): 032502. doi: https://doi.org/10.1103/PhysRevLett.121.032502
Boso A, Lenzi SM, Recchia F, Bonnard J, Zuker AP, Aydin S, Bentley MA, Cederwall B, Clement E, de France G, Di Nitto A, Dijon A, Doncel M, Ghazi-Moradi F, Gadea A, Gottardo A, Henry T, Hüyük T, Jaworski G, John PR, Juhász K, Kuti I, Melon B, Mengoni D, Michelagnoli C, Modamio V, Napoli DR, Nyakó BM, Nyberg J, Palacz M, Timár J, Valiente-Dobón JJ. Neutron Skin Effects in Mirror Energy Differences: The Case of ^{23}Mg-^{23}Na. Phys Rev Lett. 2018 Jul 20;121(3):032502. doi: 10.1103/PhysRevLett.121.032502. PMID: 30085775.
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Phys Rev Lett. 2018 Jul 20;121(3):032502. doi: 10.1103/PhysRevLett.121.032502.

Neutron Skin Effects in Mirror Energy Differences: The Case of ^{23}Mg-^{23}Na.

Physical review letters

A Boso, S M Lenzi, F Recchia, J Bonnard, A P Zuker, S Aydin, M A Bentley, B Cederwall, E Clement, G de France, A Di Nitto, A Dijon, M Doncel, F Ghazi-Moradi, A Gadea, A Gottardo, T Henry, T Hüyük, G Jaworski, P R John, K Juhász, I Kuti, B Melon, D Mengoni, C Michelagnoli, V Modamio, D R Napoli, B M Nyakó, J Nyberg, M Palacz, J Timár, J J Valiente-Dobón

Affiliations

  1. Dipartimento di Fisica e Astronomia, Università degli Studi di Padova, I-35131 Padova, Italy.
  2. INFN, Sezione di Padova, I-35131 Padova, Italy.
  3. Institut de Physique Nucléaire, IN2P3-CNRS, Université Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France.
  4. Universitè de Strasbourg and IPHC, F-67000 Strasbourg, France.
  5. Aksaray Universitesi, Department of Physics, TR-68100 Aksaray, Turkey.
  6. University of York, Department of Physics, YO10 5DD York, United Kingdom.
  7. Department of Physics, Royal Institute of Technology, SE-10691 Stockholm, Sweden.
  8. GANIL, CEA/DRF-CNRS/IN2P3, F-14076 Caen, France.
  9. Dipartimento di Fisica and INFN, Sezione di Napoli, I-80126 Napoli, Italy.
  10. Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany.
  11. IFIC, CSIC-Universitat de València, E-46980 Valencia, Spain.
  12. INFN, Laboratori Nazionali di Legnaro, I-35020 Legnaro (Padova), Italy.
  13. Heavy Ion Laboratory, Warsaw University, 02-093 Warszawa, Poland.
  14. Institute of Nuclear Research (ATOMKI) of Hung. Acad. Sciences, H-4001 Debrecen, Hungary.
  15. Dipartimento di Fisica and INFN, Sezione di Firenze, I-50019 Firenze, Italy.
  16. Department of Physics and Astronomy, Uppsala University, SE-75120 Uppsala, Sweden.

PMID: 30085775 DOI: 10.1103/PhysRevLett.121.032502

Abstract

Energy differences between analogue states in the T=1/2 ^{23}Mg-^{23}Na mirror nuclei have been measured along the rotational yrast bands. This allows us to search for effects arising from isospin-symmetry-breaking interactions (ISB) and/or shape changes. Data are interpreted in the shell model framework following the method successfully applied to nuclei in the f_{7/2} shell. It is shown that the introduction of a schematic ISB interaction of the same type of that used in the f_{7/2} shell is needed to reproduce the data. An alternative novel description, applied here for the first time, relies on the use of an effective interaction deduced from a realistic charge-dependent chiral nucleon-nucleon potential. This analysis provides two important results: (i) The mirror energy differences give direct insight into the nuclear skin; (ii) the skin changes along the rotational bands are strongly correlated with the difference between the neutron and proton occupations of the s_{1/2} "halo" orbit.

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