Hamburg 2016 – scientific programme
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T: Fachverband Teilchenphysik
T 92: Neutrinomasse IV
T 92.2: Talk
Thursday, March 3, 2016, 17:05–17:20, VMP5 SR 0079
Performance of the KATRIN spectrometer and detector section — •Thomas Thümmler for the KATRIN collaboration — Karlsruher Institute of Technology (KIT), Institute of Nuclear Physics (IKP), Karlsruhe, Germany
Neutrino properties and especially the determination of the neutrino mass play an important role at the intersections of cosmology, particle physics and astroparticle physics. The KArlsruhe TRItium Neutrino experiment (KATRIN) investigates single beta decay electrons close to their kinematic endpoint in order to determine the neutrino mass by a model-independent method.
Applying an ultra-luminous molecular windowless gaseous tritium source and an integrating high-resolution spectrometer of MAC-E filter type, KATRIN allows beta spectroscopy close to the kinematic endpoint with unprecedented precision and will reach a sensitivity of about 200 meV/c2 (90% C.L.) on the neutrino mass.
The spectrometer and detector section (SDS) of KATRIN has successfully passed three consecutive commissioning phases to confirm the spectroscopic specifications, the long-term operation and stability, as well as the background level. Currently the SDS is being prepared for final commissioning, integration with the source and transport system, and the transition to neutrino mass measurement mode.
This talk will summarize the performance of the spectrometer and detector section, followed by an overview of the final steps towards complete KATRIN commissioning. Supported and funded by the Helmholtz Association, BMBF grant 05A14VK2, and the US DOE.