A device for simultaneous spin analysis of ultracold neutrons S. Afach, G. Ban, G. Bison, K. Bodek, Z. Chowdhuri, M. Daum, M. Fertl, B. Franke, P. Geltenbort, Z. D. Grujić et al. (30 more) Eur. Phys. J. A, 51 11 (2015) 143 Published online: 10 November 2015 DOI: 10.1140/epja/i2015-15143-7