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The design, construction, and commissioning of the KATRIN experiment

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Published 17 August 2021 © 2021 The Author(s)
, , Citation The KATRIN collaboration et al 2021 JINST 16 T08015 DOI 10.1088/1748-0221/16/08/T08015

1748-0221/16/08/T08015

Abstract

The KArlsruhe TRItium Neutrino (KATRIN) experiment, which aims to make a direct and model-independent determination of the absolute neutrino mass scale, is a complex experiment with many components. More than 15 years ago, we published a technical design report (TDR) [1] to describe the hardware design and requirements to achieve our sensitivity goal of 0.2 eV at 90% C.L. on the neutrino mass. Since then there has been considerable progress, culminating in the publication of first neutrino mass results with the entire beamline operating [2]. In this paper, we document the current state of all completed beamline components (as of the first neutrino mass measurement campaign), demonstrate our ability to reliably and stably control them over long times, and present details on their respective commissioning campaigns.

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