Magnetic moments of 21+ states in 124,126,128Sn

J. M. Allmond*, A. E. Stuchbery, D. C. Radford, A. Galindo-Uribarri, N. J. Stone, C. Baktash, J. C. Batchelder, C. R. Bingham, M. Danchev, C. J. Gross, P. A. Hausladen, K. Lagergren, Y. Larochelle, E. Padilla-Rodal, C. H. Yu

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    23 Citations (Scopus)

    Abstract

    The g factors of the first-excited states of stable 124Sn and radioactive 126,128Sn were measured by the recoil-in-vacuum method with comparatively high precision. The experiments were performed at the Holifield Radioactive Ion Beam Facility by Coulomb exciting ∼3 MeV/u beams in inverse kinematics on carbon and titanium targets. The results for 124Sn and 126Sn are in excellent agreement with recent shell-model calculations. For 128Sn the experiment suggests an increase in the magnitude of g(21+), as predicted by some models. The present results provide a sensitive probe of the valence orbitals that contribute to the 21+ wave functions as the double-shell closure at 132Sn is approached.

    Original languageEnglish
    Article number054325
    JournalPhysical Review C - Nuclear Physics
    Volume87
    Issue number5
    DOIs
    Publication statusPublished - 20 May 2013

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