The reaction of F + D2 at ultra-low temperatures: the effect of rotational excitation

Details The reaction of F + D2 at ultra-low temperatures: the effect of rotational excitation The reaction of F + D2 at ultra-low temperatures: the effect of rotational excitation

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002jphb...35.2391b&link_type=abstract

Journal of Physics B: Atomic, Molecular, and Optical Physics, Volume 35, Issue 10, pp. 2391-2396 (2002).

Physics

16

Scientific paper

We report an ab initio study of the dynamics of the reaction F + D2→DF + D, where D2 is initially in a rotationally excited state (j = 2). The possibility of obtaining ultra-cold molecules and of investigating reaction dynamics at ultra-low temperature relies on the production of molecules in a well defined quantum state and it is important to know the relative efficiency of the rotational quenching and of the chemical reaction. We examine here a reaction with an activation barrier, the reaction of F with D2, and we find that quenching dominates the reaction when the initial rotational level lies energetically below the barrier, so severe trap loss may occur before the reaction can take place.

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