Identification of excited states in the N = Z nucleus82Nb

L. S. Cáceres, M. Górska, A. Jungclaus, P. H. Regan, A. B. Garnsworthy, S. Pietri, Zs Podolyák, D. Rudolph, S. J. Steer, H. Grawe, D. L. Balabanski, F. Becker, P. Bednarczyk, G. Benzoni, B. Blank, C. Brandau, A. M. Bruce, F. Camera, W. N. Catford, I. J. CullenZs Dombradi, P. Doornenbal, E. Estevez, H. Geissel, W. Gelletly, J. Gerl, J. Grȩbosz, A. Heinz, R. Hoischen, G. Ilie, J. Jolie, G. A. Jones, M. Kmiecik, I. Kojouharov, F. G. Kondev, T. Kurtukian-Nieto, N. Kurz, S. Lalkowski, L. Liu, A. Maj, S. Myalski, F. Montes, M. Pfützner, W. Prokopowicz, T. Saito, H. Schaffner, S. Schwertel, T. Shizuma, A. J. Simons, S. Tashenov, P. M. Walker, E. Werner-Malento, O. Wieland, H. J. Wollersheim

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Abstract

Information on the first excited states in the N = Z = 41 nucleus 82Nb sheds light on the competition of isospin T = 0 and T = 1 states in the A ∼ 80 region. The measurement was performed at the GSI laboratory using fragmentation of a 107Ag primary beam at 750 McV/u on a 4 g/cm2 9Be target. The fragments were separated and identified unambiguously in the FRagment Separator. Three excited states were observed and the half-life estimate for the isomeric state was extracted. A tentative spin assignment based on the isobaric analogue states systematica in the Tz = 1 nucleus 82Zr, and transition probabilities indicate T = 1 character of the first two excited states, and T = 0 for the isomeric state.

Original languageEnglish
Pages (from-to)1271-1275
Number of pages5
JournalActa Physica Polonica B
Volume38
Issue number4
Publication statusPublished - Apr 2007
Event41st Zakopane Conference on Nuclear Physics - Trends in Nuclear Physics - Zakopane, Poland
Duration: Sep 4 2006Sep 10 2006

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Cáceres, L. S., Górska, M., Jungclaus, A., Regan, P. H., Garnsworthy, A. B., Pietri, S., Podolyák, Z., Rudolph, D., Steer, S. J., Grawe, H., Balabanski, D. L., Becker, F., Bednarczyk, P., Benzoni, G., Blank, B., Brandau, C., Bruce, A. M., Camera, F., Catford, W. N., ... Wollersheim, H. J. (2007). Identification of excited states in the N = Z nucleus82Nb. Acta Physica Polonica B, 38(4), 1271-1275.