EPJ Web Conf.
Volume 219, 2019International Workshop on Particle Physics at Neutron Sources (PPNS 2018)
|Number of page(s)||6|
|Section||Studies of Neutron Beta Decay|
|Published online||12 December 2019|
Design of the magnet system of the neutron decay facility PERC
1 Technische Universität Wien, Atominstitut, Stadionallee 2, 1020 Wien, Austria
2 Physik-Department,Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany
3 Physikalisches Institut, Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany
4 Forschungs Neutronenquelle Heinz Maier–Leibnitz, Technische Universität München, Lichtenbergstr. 1, 85748 Garching, Germany
5 Johannes-Gutenberg Universität, Staudingerweg 7, 55128 Mainz, Germany
6 Stefan-Meyer-Institut, Boltzmanngasse 3, 1090 Vienna, Austria
7 Institut Laue-Langevin, 71 avenue des Martyrs, CS 20156, 38042 Grenoble Cedex 9, France
a e-mail: firstname.lastname@example.org
Published online: 12 December 2019
The PERC (Proton and Electron Radiation Channel) facility is currently under construction at the research reactor FRM II, Garching. It will serve as an intense and clean source of electrons and protons from neutron beta decay for precision studies. It aims to contribute to the determination of the Cabibbo-Kobayashi-Maskawa quark-mixing element Vud from neutron decay data and to search for new physics via new effective couplings. PERC's central component is a 12 m long superconducting magnet system. It hosts an 8 m long decay region in a uniform field. An additional high-field region selects the phase space of electrons and protons which can reach the detectors and largely improves systematic uncertainties. We discuss the design of the magnet system and the resulting properties of the magnetic field.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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