Bonn 2010 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 24: Struktur und Dynamik von Kernen V

HK 24.6: Talk

Tuesday, March 16, 2010, 18:00–18:15, HG II

Spectroscopy of ⁹⁶Ag. — •P. Boutachkov¹, M. Górska¹, H. Grawe¹, N. Braun², T. Brock³, B.S. Nara Singh³, S. Pietri¹, C.D. Pardo¹, A. Blazhev², Z. Liu⁴, R. Wadsworth³, T. Faestermann⁷, F. Farinon¹, J. Grȩbosz⁵, I. Kojouharov¹, N. Kurz¹, C. Nociforo¹, Zs. Podolyak⁶, A. Prochazka¹, W. Prokopowicz¹, S. Steer⁶, L. Caceres¹, T. Engert¹, J. Gerl¹, N. Goel¹, R. Hoischen^1,8, H. Schaffner¹, H. Weick¹, H-J. Wollersheim¹, L. Bettermann², F. Finke², K. Geibel², G. Ilie², H. Iwasaki², J. Nyberg⁹, P. Reiter², C. Scholl², P-A. Söderström⁹, N. Warr², K. Eppinger⁷, A. Gottardo⁴, C. Hinke⁷, R. Krücken⁷, M. Pfützner¹⁰, P. Regan⁶, S. Rinta-Antila¹¹, D. Rudolph⁸, P. Woods⁴, A. Atac¹², and E. Merchant¹ — ¹GSI, Germany — ²Univ of Köln, Germany — ³Univ of York, UK — ⁴Univ of Edinburgh, UK — ⁵Inst Fizyki, Krakow, Poland — ⁶Univ of Surrey, UK — ⁷TU Munich, Germany — ⁸Lund Univ, Sweden — ⁹Uppsala Univ, Sweden — ¹⁰Warsaw Univ, Poland — ¹¹Univ of Liverpool, UK — ¹²Ankara Univ, Turkey

A measurement with the RISING setup at the GSI-FRS facility has been performed to study isomer and β decays in N ∼ Z Cd, Ag and Pd isotopes. This study provides information on the shell evolution around the N=Z=50 shell closure. In particular, three new isomeric states were observed in ⁹⁶Ag, extending the level scheme to high-spin spherical structures, including core-excited states. A comparison to shell-model calculations ascertains the ¹⁰⁰Sn shell gap from this data. The new ⁹⁶Ag results will be presented.