Darmstadt 2008 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 22: Kernphysik / Spektroskopie
HK 22.5: Talk
Tuesday, March 11, 2008, 09:30–09:45, 2G
High resolution study of 0+ and 2+ excitations in 168Er and 130Ba with the (p,t) reaction — •Hans-Friedrich Wirth1, Dorel Bucurescu2, Gabriel Suliman2, Ralf Hertenberger3, Gerhard Graw3, Thomas Faestermann1, Reiner Krücken1, Mahmoud Mahgoub1, Jan Jolie4, Peter von Brentano4, Norbert Braun4, Stefan Heinze4, Oliver Möller4, Dennis Mücher4, Clemens Scholl4, Richard Casten5, Deseree Meyer5, Nicola Lo Iudice6, and Nicolas Chauvin7 — 1Physik-Department, Technische Universität München, Garching, Germany — 2Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania — 3Department für Physik, Ludwig-Maximilians-Universität München, Garching, Germany — 4Institut für Kernphysik, Universität zu Köln, Germany — 5Wright Nuclear Structure Laboratory, Yale University, New Haven, USA — 6Dipartimento di Scienze Fisiche, Universita di Napoli, Italy — 7CSNSM, Institut de Physique Nucleaire, Orsay, France
Excited states in the deformed nucleus 168Er have been studied with high energy resolution, in the (p,t) reaction, with the Munich Q3D spectrograph. A number of 25 excited 0+ states and 63 2+ states have been assigned up to 4.0 MeV excitation energy. This unusually rich information offers a unique opportunity to check in detail nuclear structure models. The experimental data are compared with the quasiparticle phonon model (QPM) and the projected shell model (PSM).
Latest results for 130Ba from a (p,t) measurement will also be discussed. Supported by DFG, MLL, and Cluster of Excellence Exc153.