Collectivity in S-41

Z. M. Wang, R. Chapman, F. Haas, X. Liang, F. Azaiez, B. R. Behera, M. Burns, L. Corradi, D. Curien, A. N. Deacon, Zs. Dombradi, E. Farnea, E. Fioretto, A. Gadea, A. Hodsdon, F. Ibrahim, A. Jungclaus, K. Keyes, V. Kumar, A. LatinaN. Marginean, G. Montagnoli, D. R. Napoli, J. Ollier, D. O'Donnell, A. Papenberg, G. Pollarolo, M. -D. Salsac, F. Scarlassara, J. F. Smith, K. M. Spohr, M. Stanoiu, A. M. Stefanini, S. Szilner, M. Trotta, D. Verney

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7 Citations (Scopus)


Yrast states in the neutron-rich S-41 nucleus have been studied using binary grazing reactions produced by the interaction of a 215-MeV beam of S-36 ions with a thin Pb-208 target. The magnetic spectrometer, PRISMA, and the gamma-ray array, CLARA, were used in the measurements. gamma-ray transitions of energy 449 and 638 keV were observed. Results from published intermediate-energy Coulomb excitation measurements in combination with those from the present work have led to the construction of a new S-41 level scheme. Proposed J(pi) values are based on experimental observation and on model-dependent arguments. The level scheme and published electromagnetic transition probabilities are discussed within the context of state-of-art shell-model calculations using the SDPF-U effective interaction. In contrast with the excellent agreement observed in earlier published work, here there are significant discrepancies between experiment and the results of shell-model calculations.
Original languageEnglish
JournalPhysical Review C
Issue number6
Publication statusPublished - 27 Jun 2011


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