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Bochum 2009 – scientific programme

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HK: Fachverband Hadronen und Kerne

HK 64: Nuclear Physics Applications

HK 64.2: Group Report

Wednesday, March 18, 2009, 17:00–17:30, H-ZO 100

Production and performance of ultracold neutron guides for the next generation UCN sources — •Peter Reichert1, Michael Meister2, Gabriele Hampel1, Werner Heil2, Jens Volker Kratz1, Thorsten Lauer1, Christian Plonka1, Yury Sobolev2, and Johannes Zenner21Institut für Kernchemie, Universität Mainz — 2Institut für Physik, Universität Mainz

Recently, a new coating facility for the production of ultracold neutron guides started its operation at the Physics Institute University Mainz. With the use of magnetron sputtering it is possible to coat inner surfaces of glass tubes with diameters down to 50mm and a maximal length of 1.5m. By optimizing the coating parameters and due to the low surface roughness we expect higher transmission of ultracold neutrons compared to the so far existing polished stainless steel tubes. This talk will give an overview about the facility, its possibilities and first results of transmission measurements performed at the Ultracold Neutron facility at the TRIGA Mainz.

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