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  • Letter
  • Open Access

Evolution of single-particle structure near the N=20 island of inversion

P. T. MacGregor1, D. K. Sharp1,*, S. J. Freeman1, C. R. Hoffman2, B. P. Kay2, T. L. Tang2, L. P. Gaffney3,4, E. F. Baader4, M. J. G. Borge5 et al.

P. A. Butler3, W. N. Catford6, B. D. Cropper1, G. de Angelis7, J. Konki4, Th. Kröll8, M. Labiche9, I. H. Lazarus9, R. S. Lubna10,11, I. Martel3,12, D. G. McNeel13, R. D. Page3, O. Poleshchuk14, R. Raabe14, F. Recchia15,16, and J. Yang14

  • 1Department of Physics and Astronomy, University of Manchester, Manchester, M13 9PL, United Kingdom
  • 2Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
  • 3Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
  • 4CERN, CH-1211 Geneva 23, Switzerland
  • 5Instituto de Estructura de la Materia, CSIC, E-28006 Madrid, Spain
  • 6Department of Physics, University of Surrey, Guildford GU2 5XH, United Kingdom
  • 7INFN, Laboratori Nazionali di Legnaro, 35020 Legnaro, Italy
  • 8Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
  • 9STFC Daresbury Laboratory, Daresbury, Warrington WA4 4AD, United Kingdom
  • 10Department of Physics, Florida State University, Tallahassee, Florida 32306, USA
  • 11TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
  • 12Universidad de Huelva, 21071 Huelva, Spain
  • 13Department of Physics, University of Connecticut, Storrs, Connecticut 06269, USA
  • 14KU Leuven, Instituut voor Kern- en Stralingsfysica, 3001 Leuven, Belgium
  • 15Dipartimento di Fisica e Astronomia dell' Universitá degli Studi di Padova, Padova 35131, Italy
  • 16INFN Sezione di Padova, Padova 35131, Italy

  • *Corresponding author: david.sharp@manchester.ac.uk

Phys. Rev. C 104, L051301 – Published 8 November, 2021Erratum Phys. Rev. C 113, 019901 (2026)

DOI: https://doi.org/10.1103/PhysRevC.104.L051301

Abstract

The single-particle properties of Mg29 have been investigated via a measurement of the Mg28(d,p)Mg29 reaction, in inverse kinematics, using the ISOLDE Solenoidal Spectrometer. The negative-parity intruder states from the fp shell have been identified and used to benchmark modern shell-model calculations. The systematic data on the single-particle centroids along the N=17 isotones show good agreement with shell-model predictions in describing the observed trends from stability toward O25. However, there is also evidence that the effect of the finite geometry of the nuclear potential is playing a role on the behavior of the p orbitals near the particle-emission threshold.

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Erratum

Erratum: Evolution of single-particle structure near the N=20 island of inversion [Phys. Rev. C 104, L051301 (2021)]

S. J. Freeman, P. T. MacGregor, D. K. Sharp, C. R. Hoffman, B. P. Kay, T. L. Tang, L. P. Gaffney, E. F. Baader, M. J. G. Borge, P. A. Butler, W. N. Catford, B. D. Cropper, G. de Angelis, J. Konki, Th. Kröll, M. Labiche, I. H. Lazarus, R. S. Lubna, I. Martel, D. G. McNeel, R. D. Page, O. Poleshchuk, R. Raabe, F. Recchia, and J. Yang
Phys. Rev. C 113, 019901 (2026)

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