Design of the magnet system of the neutron decay facility PERC Xiangzun Wang, Carmen Ziener, Hartmut Abele, Stefan Bodmaier, Dirk Dubbers, Jaqueline Erhart, Alexander Hollering, Erwin Jericha, Jens Klenke, Harald Fillunger et al. (21 more) EPJ Web Conf., 219 (2019) 04007 Published online: 12 December 2019 DOI: 10.1051/epjconf/201921904007