Darmstadt 2008 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 3: Fundamentale Wechselwirkungen

HK 3.5: Talk

Monday, March 10, 2008, 15:15–15:30, 2B

Characterization of a solid deuterium ultracold neutron source by the time of flight method — •Thorsten Lauer¹, Igor Altarev³, Andreas Frei³, Erwin Gutsmiedl³, Gabriele Hampel¹, Werner Heil², Jens Volker Kratz¹, Stephan Paul³, Youri Sobolev¹, and Norbert Wiehl¹ — ¹Institut für Kernchemie, Universität Mainz — ²Institut für Physik, Universität Mainz — ³Physik Department E18, TU München

Recently, a prototype of an ultra cold neutron (UCN) source with a solid deuterium converter has been taken into operation at the tangential beamtube C at the reactor TRIGA Mainz. To characterize the solid deuterium converter performance, the time of flight method with a three disc chopper was succesfully used at a constant reactor power of 100kW . Results of these measurements will be presented. Based on these experiences, an upgraded UCN source will be in operation from 2008 on at the radial beamtune D.