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Gießen 2007 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 30: Kernphysik / Spektroskopie

HK 30.8: Talk

Wednesday, March 14, 2007, 16:00–16:15, D

Low-spin electromagnetic transition probabilities in $^{102,104}Cd$. — •Jan Jolie1, Nele Boelaert1,2, Alfred Dewald1, Christoph Fransen1, Andreas Linnemann1, Barbara Melon1, Oliver Moeller1, Nadia Smirnova2, and Kris Heyde21Institut für Kernphysik, Universität zu Köln, Zülpicher Str. 77, 50937 Köln — 2Department of subatomic and radiation Physics, Gent University, Proeftuinstraat 86, B-9000 Gent, Belgium

Lifetimes of low-lying states in $^{102,104}Cd$ were determined by using the recoil distance Doppler shift technique with a plunger device and a Ge array consisting of five HP Ge detectors and one Euroball cluster detector. The experiments were carried out at the Cologne FN Tandem accelerator using the $^{92,94}Mo(^{12}C,2n)^{102,104}Cd$ reactions. The Differential decay Curve Method in coincidence mode was employed to derive the lifetime of the first excited $2^+$ state in both nuclei and the first excited $4^+$ state in $^{104}Cd$. The corresponding E2 transition probabilities agree well with large scale shell-model calculations. Work supported by DFG grant 391/3-2.

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