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Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 56: Neutrinophysik 4 (Doppelbetazerfall und Massen)

T 56.3: Vortrag

Dienstag, 28. März 2017, 17:20–17:35, VSH 118

The KATRIN Forward Beam Monitor Phase II commissioning — •Stephanie Hickford and Simon Schbotz for the KATRIN collaboration — Bergische Universität Wuppertal

The KATRIN collaboration aims to measure the neutrino mass with a sensitivity of 200 meV. This will be done by observing the β-electron spectrum from the decay of tritium. The tritium source properties need to be stable, and known to a high precision, in order to accurately measure the neutrino mass. For this reason the source will undergo extensive measurements from several monitoring systems.

The Forward Beam Monitor (FBM) is one such monitoring system. The Phase II commissioning of the FBM was recently carried out on-site at the KATRIN experiment. This commissioning phase was the first operation of the FBM in conjunction with the Cryogenic Pumping Section (CPS) of the KATRIN experiment, and covered three main measurement topics: Temperature influences, magnetic field scan, and absolute positioning. The data-taking procedure and results of these measurements will be presented.

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