Neutron i13/2 intruder band in Sm139

P. Vaska, S. Bhattacharjee, D. B. Fossan, D. R. Lafosse, Y. Liang, H. Schnare, K. Starosta, M. P. Waring, I. Hibbert, R. Wadsworth, K. Hauschild, C. W. Beausang, S. Clarke, S. A. Forbes, P. J. Nolan, E. S. Paul, A. T. Semple, S. M. Mullins, H. Grawe, K. H. Maier

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

The high-spin structure of Sm139 has been investigated with the Pd110(34S,5n) reaction at a beam energy of 159 MeV at the Stony Brook Tandem/Superconducting LINAC facility. The TESSA3 spectrometer array was used to collect - coincidence data from which an extended decoupled band structure has been found. It is proposed that this band is based on the i13/2 (=1/2) neutron intruder orbital. The decay pattern, enhanced dynamic moments of inertia, and aligned spins are consistent with the i13/2 bands in neighboring odd-neutron nuclides. Total Routhian surface and cranked shell model calculations reproduce qualitative features of these nuclides, further supporting the proposed interpretation.

Original languageEnglish (US)
Pages (from-to)104-109
Number of pages6
JournalPhysical Review C
Volume50
Issue number1
DOIs
StatePublished - Jan 1 1994

    Fingerprint

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Vaska, P., Bhattacharjee, S., Fossan, D. B., Lafosse, D. R., Liang, Y., Schnare, H., Starosta, K., Waring, M. P., Hibbert, I., Wadsworth, R., Hauschild, K., Beausang, C. W., Clarke, S., Forbes, S. A., Nolan, P. J., Paul, E. S., Semple, A. T., Mullins, S. M., Grawe, H., & Maier, K. H. (1994). Neutron i13/2 intruder band in Sm139. Physical Review C, 50(1), 104-109. https://doi.org/10.1103/PhysRevC.50.104