Darmstadt 2016 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 13: Structure and Dynamics of Nuclei IV
HK 13.1: Gruppenbericht
Montag, 14. März 2016, 16:30–17:00, S1/01 A04
A systematic fast-timing study of even-even nuclei in the well deformed A 170-180 region. — •J. Jolie1, J.M. Régis1, M. Dannhoff1, R.B. Gerst1, V. Karayonchev1, C. Müller-Gattermann1, M. Rudigier1,2, N. Saed-Samii1, S. Stegemann1, and A. Blazhev1 — 1Institut für Kernphysik, Universität zu Köln — 2Department of Physics, University of Surrey
At the Cologne Tandem accelerator we are performing a systematic study of lifetimes in the ground state bands of well deformed even-even nuclei in order to increase the precision of the ns-ps lifetimes and to solve inconsistencies in the literature. The measurements are done using Orange spectrometers, LaBr3(Ce) scintillators and Ge detectors. The data are analyzed using the slope and the generalized centroid difference method. The latter allows the measurement of lifetimes down to 5 ps [1]. First results on Yb, Hf and W isotopes will be presented.
This work is supported by the DFG under grant JO 391/16-1.
[1] J.M. Régis et al. Nucl. Instr. and Meth. in Phys. Res. A 726, 191 (2013)