Buffer-gas cooling of NH via the beam loaded buffer-gas method D. Egorov, W. C. Campbell, B. Friedrich, S. E. Maxwell, E. Tsikata, L. D. van Buuren and J. M. Doyle Eur. Phys. J. D, 31 2 (2004) 307-311 Published online: 26 October 2004 DOI: 10.1140/epjd/e2004-00140-1