Münster 2017 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 51: Instrumentation XII
HK 51.3: Vortrag
Donnerstag, 30. März 2017, 17:15–17:30, F 072
Upgrade of the TRIGA Mainz UCN D source — •Jan Kahlenberg1, Marcus Beck1, Christopher Geppert2, Werner Heil1, Jan Karch1, Sergei Karpuk2, Tobias Reich2, Kim Ross1, Christian Siemensen2, Yuri Sobolev2, and Norbert Trautmann2 — 1Institut für Physik, Johannes Gutenberg-Universität Mainz — 2Institut für Kernchemie, Johannes Gutenberg-Universität Mainz
The upgrade of the ultra-cold neutron (UCN) source at beamport D of TRIGA Mainz has been successfully performed. A 58NiMo-coated nose has led to an UCN yield increase of factor 3.5. Consequently, a UCN density of 8.5 UCN/cm3 in a standardised volume of 32 l has been reached.
This talk presents the main results of the September and November 2016 beam times. The results convincingly prove the source’s high performance and its suitability for UCN measurements at TRIGA Mainz. Supported by the PRISMA cluster of excellence, the neutron lifetime experiment τSPECT will profit from the increased UCN yield.