Münster 2017 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 60: Structure and Dynamics of Nuclei IX

HK 60.6: Vortrag

Freitag, 31. März 2017, 15:30–15:45, F 2

Investigation of the γ-decay behavior of 48,50Ti and 52Cr with the γ3 setup at HIγS — •Julius Wilhelmy1, P. Erbacher2, U. Gayer3, J. Isaak4, B. Löher5, M. Müscher1, N. Pietralla3, P. Ries3, C. Romig3, D. Savran5, M. Spieker1, S. G. Pickstone1, W. Tornow6, V. Werner3, A. Zilges1, and M. Zweidinger31Institute for Nuclear Physics, University of Cologne — 2Institute for Applied Physics, Goethe University of Frankfurt a.M. — 3Institute for Nuclear Physics, TU Darmstadt — 4Research Center for Nuclear Physics, Osaka, Japan — 5University of Mainz — 6Department of Physics, Duke University, USA

The γ-ray strength function is an important input parameter for the calculation of nucleosynthesis processes. To study the dipole response in more detail, the γ-decay behavior of the fp shell nuclei 48,50Ti and 52Cr was investigated with the high-efficiency γ3 setup [1] at the High Intensity γ-ray Source facility (HIγS) at TUNL in Durham, USA. The quasi mono-energetic γ-ray beam allows for selective excitations in multipolarity (J=1 and J=2) and energy. The γ3 setup is a multi-detector array consisting of HPGe and LaBr3 detectors with high efficiency and enables the measurement of γ-γ coincidences. Experimental results of 48,50Ti and 52Cr will be presented and discussed in this contribution.

Supported by the BMBF (05P2015PKEN9/ELI-NP), the Alliance Program of the Helmholtz Association (HA216/EMMI), and the BCGS.

[1] B. Löher et al., Nucl. Instr. and Meth. A 723 (2013) 136

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