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HK: Fachverband Physik der Hadronen und Kerne
HK 14: Structure and Dynamics of Nuclei III
HK 14.6: Talk
Tuesday, March 12, 2024, 17:00–17:15, HBR 14: HS 1
232Th(γ→,f) reaction measured by quasi-monochromatic photon beams* — •Annabel Ibel1, Dimiter Balabanski2, Joachim Enders1, Sean W. Finch3, Alf Göök4, Calvin R. Howell3, Ronald C. Malone5, Maximilian Meier1, Andreas Oberstedt2, Stephan Oberstedt6, Marius Peck1, Norbert Pietralla1, Jack A. Silano5, Gerhart Steinhilber1, Forrest Q. L. Friesen3, Anthony P. D. Ramirez5, Anton P. Tonchev5, Werner Tornow3, and Vincent Wende1 — 1Institut für Kernphysik, Fachbereich Physik, TU Darmstadt, Darmstadt, Germany — 2ELI-NP, IFIN-HH, Magurele, Romania — 3Triangle Universities Nuclear Laboratory, Duke University, Durham, NC, USA — 4Uppsala Universitet, Uppsala, Sweden — 5Lawrence Livermore National Laboratory, Livermore, CA, USA — 6EC-JRC Geel, Belgium
High-precision photon-induced 232Th(γ→,f) experiments give access to information about the fission process from measuring the kinetic energy, the mass and the angular distribution of the fission fragments using a Frisch-Grid Ionization Chamber. This contribution will show data from an experimental campaign conducted at the High Intensity Gamma-ray Source facility using quasi-monochromatic photon beams between 6.2 MeV and 13 MeV. A comparison of the measured mass distributions to previous experiments using bremsstrahlung will be presented.
*Supported by DFG (GRK 2891, project ID 499256822)