The chemistry of ions in the Orion Bar I. – CH+, SH+, and CF+ - The effect of high electron density and vibrationally excited H2 in a warm PDR surface
Z. Nagy, F. F. S. Van der Tak, V. Ossenkopf, M. Gerin, F. Le Petit, J. Le Bourlot, J. H. Black, J. R. Goicoechea, C. Joblin, M. Röllig and E. A. Bergin
