Spectroscopy of neutron-unbound 27,28F

G. Christian*, N. Frank, S. Ash, T. Baumann, P. A. Deyoung, J. E. Finck, A. Gade, G. F. Grinyer, B. Luther, M. Mosby, S. Mosby, J. K. Smith, J. Snyder, A. Spyrou, M. J. Strongman, M. Thoennessen, M. Warren, D. Weisshaar, A. Wersal

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The ground state of 28F has been observed as an unbound resonance 220 keV above the ground state of 27F. A comparison of this result with USDA/USDB shell model predictions leads to the conclusion that the 28F ground state is primarily dominated by sd-shell configurations. Here we present a detailed report on the experiment in which the ground state resonance of 28F was first observed. Additionally, we report the first observation of a neutron-unbound excited state in 27F at an excitation energy of 2500(220) keV.

Original languageEnglish (US)
Article number034327
JournalPhysical Review C - Nuclear Physics
Volume85
Issue number3
DOIs
StatePublished - Mar 22 2012
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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