Darmstadt 2016 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 51: Structure and Dynamics of Nuclei X
HK 51.3: Talk
Thursday, March 17, 2016, 14:30–14:45, S1/01 A03
Probing the O(6) character of 196Pt with inelastic electron scattering — •Simela Aslanidou, Sergej Bassauer, Christoph Kremer, Andreas Krugmann, Peter von Neumann-Cosel, Norbert Pietralla, Maxim Singer, and Volker Werner — Institut für Kernphysik, Technische Universität Darmstadt
The Interacting-Boson-Model (IBM) [1] provides an elegant tool to classify low-lying collective states in medium and heavy mass even-even nuclei. One of its dynamical symmetries is O(6) and a crucial test of this theory is to investigate the monopole transitions to the band head of the K=0 , σ=N-2 band.
A powerful tool to investigate monopole transitions is inelastic electron scattering. An experiment on 196Pt -claimed to be a perfect O(6) nucleus [2]- has been recently completed at the superconducting electron linear accelerator S-DALINAC at Darmstadt using the high resolution LINTOTT spectrometer.
The experiment and analysis results will be presented as well as the interpretation within the framework of IBM.
This work was supported by the DFG under contract SFB 634.
[1] F. Iachello, Phys. Rev. Lett. 87, 052502 (2001)
[2] J. Cizewski et al., Phys. Rev. Lett. 40, 167 (1978)