Gießen 2007 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 43: Instrumentation und Anwendungen
HK 43.2: Talk
Thursday, March 15, 2007, 11:30–11:45, F
Production of ultracold neutrons with a solid deuterium converter at a test facility at the TRIGA reactor in Mainz — •Andreas Frei1, Igor Altarev1, Klaus Eberhardt2, Erwin Gutsmiedl1, Gabriele Hampel2, F. Joachim Hartmann1, Werner Heil3, Jens Volker Kratz2, Thorsten Lauer3, Stephan Paul1, Youri Pokotilovski4, Youri Sobolev3, and Norbert Wiehl2 — 1Physik Department E18, Technische Universität München — 2Institut für Kernchemie, Universität Mainz — 3Institut für Physik, Universität Mainz — 4Joint Institute for Nuclear Research, Dubna, Russia
Recently a test facility for the production of ultracold neutrons (UCN) with a solid D2-converter (volume ≤200 cm3) at the TRIGA reactor in Mainz has been taken into operation. This facility serves as a prototype for a strong UCN source at the FRM-II, as well as an apparatus, where different parameters involved with the production of UCN, their transport and storage can be investigated. During the last year many of these parameters concerning UCN production have been measured. The results of these measurements are in good conformance with theoretical calculations and numerical simulations. Additionally some properties of solid D2 concerning UCN production have been measured at a cold neutron beam at the FRM-II with the so called cubeD2 experiment. This talk will give an overview of the experimental results of these measurements.