UCN production in superfluid helium W. Schott, J.M. Pendlebury, I. Altarev, S. Gröger, E. Gutsmiedl, F.J. Hartmann, S. Paul, G. Petzoldt, P. Schmidt-Wellenburg and U. Trinks Eur. Phys. J. A, 16 4 (2003) 599-601 Published online: 11 March 2003 DOI: 10.1140/epja/i2002-10128-3