Ionic interactions and collision dynamics in cold traps: rotational quenching of OH−(1Σ+) by Rb(2S) L. Gonzalez-Sanchez, M. Tacconi, E. Bodo and F. A. Gianturco Eur. Phys. J. D, 49 1 (2008) 85-92 Published online: 30 July 2008 DOI: 10.1140/epjd/e2008-00148-5