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Darmstadt 2016 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 45: Postersession

HK 45.56: Poster

Wednesday, March 16, 2016, 18:30–20:30, S1/05 22-24

Performance studies of ionisation chambers for photon-induced fisson experiments — •Marius Peck1, Joachim Enders1, Martin Freundenberger1, Alf Göök2, Andreas Oberstedt3, and Stephan Oberstedt21Institut für Kernphysik, TU Darmstadt, Germany — 2European Commission, JRC-IRMM, Geel, Belgium — 3Fundamental Fysik, Chalmers teknsika högskola, Göteborg, Sweden

Angular and mass distributions as well as total kinetic energy of fission fragments in photon-induced fisson of 232Th were obtained using a twin Frisch-grid ionization chamber at the superconducting Darmstadt electron accelerator S-DALINAC.

To improve the experimental luminosity, e.g. for future energy-resolved experiments at ELI-NP, while maintaining the overall resolution we are studying a multi-stack ionisation chamber.

We present investigations on the suitability of different gas-mixtures for optimizing the electrode design of said multi-stack chamber.

Supported in part by BMBF (05P15RDENA).

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