Particle-core coupling in S 37

R. Chapman, Z. M. Wang, M. Bouhelal, F. Haas, X. Liang, F. Azaiez, B. R. Behera, M. Burns, E. Caurier, L. Corradi, D. Curien, A. N. Deacon, Zs Dombrádi, E. Farnea, E. Fioretto, A. Gadea, A. Hodsdon, F. Ibrahim, A. Jungclaus, K. KeyesV. Kumar, S. Lunardi, N. Mǎrginean, G. Montagnoli, D. R. Napoli, F. Nowacki, J. Ollier, D. O'Donnell, A. Papenberg, G. Pollarolo, M. D. Salsac, F. Scarlassara, G. Simpson, J. F. Smith, K. M. Spohr, M. Stanoiu, A. M. Stefanini, S. Szilner, M. Trotta, D. Verney

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Abstract

Excited states of the neutron-rich N=21 S37 nucleus have been studied using binary grazing reactions produced by the interaction of a 215-MeV beam of S36 ions with a thin Pb208 target. The magnetic spectrometer, PRISMA, and the γ-ray array, CLARA, were used in the measurements. The level scheme of S37 was established to an excitation energy of 4196 keV and a number of new transitions were observed, in particular that corresponding to the decay of the proposed Jπ=(11/2-) level at an excitation energy of 2776 keV. The structure of the state is discussed within the context of state-of-the-art shell-model calculations using the SDPF-U effective interaction; the main component of the wave function corresponds to the coupling of the odd 1f7/2 neutron to the first 2+ state of the S36 core. The electromagnetic decay properties of the state are discussed within the context of a particle-core coupling model and the shell model. The other members of the multiplet of states are also discussed.

Original languageEnglish
Article number044318
JournalPhysical Review C
Volume93
Issue number4
DOIs
Publication statusPublished - Apr 18 2016

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Chapman, R., Wang, Z. M., Bouhelal, M., Haas, F., Liang, X., Azaiez, F., Behera, B. R., Burns, M., Caurier, E., Corradi, L., Curien, D., Deacon, A. N., Dombrádi, Z., Farnea, E., Fioretto, E., Gadea, A., Hodsdon, A., Ibrahim, F., Jungclaus, A., ... Verney, D. (2016). Particle-core coupling in S 37. Physical Review C, 93(4), [044318]. https://doi.org/10.1103/PhysRevC.93.044318