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Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Poster

HK 27.47: Poster

Tuesday, March 28, 2017, 16:45–18:45, F Foyer

Tests of ionisation chambers for photofission experiments — •Marius Peck1, Joachim Enders1, Martin Freudenberger1, Alf Göök2, Andreas Oberstedt3, and Stephan Oberstedt21Institut für Kernphysik, TU Darmstadt, Germany — 2European Commission, JRC-IRMM, Geel, Belgium — 3ELI-NP, Mǎgurele, Romania

Photofission in the barrier region suffers from relatively low cross sections. Hence, besides using intense bremsstrahlung (S-DALINAC) or monochromatic γ-ray beams (ELI-NP), significant amounts of target material needs to be placed in the beam to reach sufficient luminosity. We set up and tested a multi-stack Frisch-grid ionisation chamber and obtained angular and mass distributions as well as total kinetic energy of fission fragments in neutron-induced fission of 232Th and 238U.
For the measurement of the azimuthal angular distribution segmented anodes have been used.
Supported by BMBF (05P15RDENA).

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