Köln 2025 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 7: Structure and Dynamics of Nuclei III
HK 7.4: Vortrag
Montag, 10. März 2025, 17:30–17:45, HS 2 Physik
Measurements on 178Yb — •Pavlos Koseoglou1, Theodoros J. Mertzimekis1, Margarita Efstathiou1, Polytimos Vasileiou1, Hannes Mayr2, Clemens Nickel2, Norbert Pietralla2, Volker Werner2, Andrey Blazhev3, Arwin Esmaylzadeh3, Julia Fischer3, Christoph Fransen3, Jan Jolie3, Mario Ley3, Aaron Pfeil3, Franziskus Spee3, Kalin Gladnishki4, Diana Kocheva4, Georgi Rainovski4, and Dennis Bonatsos5 — 1Department of Physics, National and Kapodistrian University of Athens, Greece — 2Technische Universität Darmstadt, Department of Physics, Institute for Nuclear Physics, Germany — 3Universität zu Köln, Institut für Kernphysik, Germany — 4Faculty of Physics, St. Kliment Ohridski University of Sofia, Bulgaria — 5Institute of Nuclear and Particle Physics, NCSR “Demokritos”, Greece
All even-even Yb isotopes with mass number 160≤A≤176 are known to present deformation to some extent. The 178Yb isotope (the most neutron-rich Yb isotope with measured excited states) shows signs of high deformation. An experiment was performed in the 10 MV FN Tandem accelerator of the Institut für Kernphysik at the University of Cologne in order to study 178Yb. The excitation function of the 176Yb(18O,16O)178Yb two-neutron transfer reaction was studied during the experiment over several beam energies below and above the Coulomb barrier of the reaction and will be presented in this contribution. Gamma-spectroscopy finds will be presented as well. This work is funded by the German Research Foundation - 539757749.
Keywords: gamma-spectroscopy; two-neutron transfer reaction