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Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 7: Instrumentation II

HK 7.1: Group Report

Monday, March 27, 2017, 16:45–17:15, F 073

Measurements with neutrons and photons at nELBE — •Roland Beyer1, Mirco Dietz1,2, Axel Frotscher1,2, Joachim Görres3, Arnd R. Junghans1, Toni Kögler1,2, Ralf Nolte4, Uwe Oberlack5, Elisa Pirovano1,6, Arjan Plompen6, Rene Reifarth7, Ronald Schwengner1, Sebastian Urlaß1,2, and Andreas Wagner11Helmholtz-Zentrum Dresden - Rossendorf, Dresden, Germany — 2Technische Universität, Dresden, Germany — 3University of Notre Dame, Notre Dame, IN, USA — 4Physikalisch Technische Bundesanstalt, Braunschweig, Germany — 5Johannes Gutenberg Universität, Mainz, Germany — 6EC Joint Research Centre, Geel, Belgium — 7Goethe Universität, Frankfurt, Germany

The neutron time-of-flight facility nELBE at Helmholtz-Zentrum Dresden-Rossendorf features the first photo-neutron source at a superconducting electron accelerator, which provides a very precise time structure, high repetition rate and favorable background conditions due to the low instantaneous flux and the absence of any moderating materials. The neutron energy spectrum ranges from about 100 keV up to 10 MeV. The resulting very flexible beam properties at nELBE enable a broad range of nuclear physics experiments. Examples for the versatility of nELBE will be presented: Total neutron cross section measurements to look for unknown nuclear levels relevant for the astrophysical s-process, determination of the photon angular distribution after inelastic neutron scattering, determination of the detector response of a Dark Matter detector based on liquid Xe, or determination of the neutron induced fission cross section of 242Pu.

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