State-selected reaction of muonium with vibrationally excited H 2

Pavel Bakule, Donald G. Fleming, Oleksandr Sukhorukov, Katsuhiko Ishida, Francis Pratt, Takamasa Momose, Eiko Torikai, Steven L. Mielke, Bruce C. Garrett, Kirk A. Peterson, George C. Schatz, Donald G. Truhlar

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


We report a new advance in the study of muonium (Mu) reactivity; specifically, we report the rate constant for the Mu + H 2(vibrational quantum number n = 1) reaction determined by measurements at 300 K and by converged quantum mechanical calculations. Comparisons are made with earlier results for D + H 2 (n = 1) and with the corresponding thermal reaction rates. The measurements are a sensitive probe of the high-curvature region in the entrance valley of the potential energy surface (PES) and thus provide a qualitatively different probe of the PES than that provided by any previous experiment.

Original languageEnglish (US)
Pages (from-to)2755-2760
Number of pages6
JournalJournal of Physical Chemistry Letters
Issue number19
StatePublished - Oct 4 2012


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