학술논문
Design of the Magnet System of the Neutron Decay Facility PERC
Document Type
Working Paper
Author
Wang, Xiangzun; Ziener, Carmen; Abele, Hartmut; Bodmaier, Stefan; Dubbers, Dirk; Erhart, Jaqueline; Hollering, Alexander; Jericha, Erwin; Klenke, Jens; Fillunger, Harald; Heil, Werner; Klauser, Christine; Konrad, Gertrud; Lamparth, Max; Lauer, Thorsten; Klopf, Michael; Maix, Reinhard; Märkisch, Bastian; Mach, Wilfried; Mest, Holger; Moser, Daniel; Pethoukov, Alexander; Raffelt, Lukas; Rebrova, Nataliya; Roick, Christoph; Saul, Heiko; Schmidt, Ulrich; Soldner, Torsten; Virot, Romain; Zimmer, Oliver
Source
EPJ Web of Conferences 219, 04007 (2019)
Subject
Language
Abstract
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 $V_{ud}$ from neutron decay data and to search for new physics via new effective couplings. PERC's central component is a 12m long superconducting magnet system. It hosts an 8m 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.
Comment: Proceedings of the International Workshop on Particle Physics at Neutron Sources PPNS 2018, Grenoble, France, May 24-26, 2018
Comment: Proceedings of the International Workshop on Particle Physics at Neutron Sources PPNS 2018, Grenoble, France, May 24-26, 2018