Dresden 2013 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 31: Struktur und Dynamik von Kernen
HK 31.7: Vortrag
Dienstag, 5. März 2013, 15:45–16:00, HSZ-301
Angular Distributions of Low-Spin States in 240Pu by Means of the 242Pu(p,t)240Pu Reaction — •Mark Spieker1, Dorel Bucurescu2, Janis Endres1, Thomas Faestermann3, Ralf Hertenberger4, Sorin Pascu1, Hans-Friedrich Wirth4, Nicolae-Victor Zamfir2, and Andreas Zilges1 — 1Institut für Kernphysik, Universität zu Köln — 2Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania — 3Physik Department, Technische Universität München — 4Fakultät für Physik, Ludwig-Maximilians-Universität München
Since recent experimental and theoretical studies revealed the importance of octupole correlations in the actinide region and especially in 240Pu, a 242Pu(p,t)240Pu experiment has been conducted at the Q3D magnetic spectrograph of the Maier-Leibnitz laboratory in Munich. Excited states in 240Pu were investigated up to an excitation energy of 3 MeV. Angular distributions have been measured at 9 laboratory angles between 5∘ and 40∘. The comparison of the experimental angular distributions with DWBA calculations allowed the assignment of several low-spin states. Most of them were seen for the first time. The experimental data, especially the data on the 21 Jπ= 0+ states, will be presented and discussed in the framework of the spdf-version of the Interacting Boson Model.
Supported by the DFG (ZI-510/4-2). M.S. is member of the Bonn-Cologne Graduate School of Physics and Astronomy.