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- Title
Inconsistent kinetic isotope effect in ammonia charge exchange reaction measured in a Coulomb crystal and in a selected-ion flow tube.
- Authors
Ard, Shaun G.; Viggiano, Albert A.; Sweeny, Brendan C.; Long, Bryan; Shuman, Nicholas S.
- Abstract
The current rate constants agree reasonably well with the Coulomb crystal measurements for both the NH SB 3 sb and ND SB 3 sb reactions given the absolute uncertainties. The rate constants were measured by monitoring the first order decay of Xe SP + sp ( SP 2 sp P SB 3/2 sb ) as a function of the concentration of NH SB 3 sb /ND SB 3 sb . Ions were produced using an electron impact ion source yielding both ground Xe SP + sp ( SP 2 sp P SB 3/2 sb ) and excited state Xe SP + sp ( SP 2 sp P SB 1/2 sb ), then mass-selected and injected into a flow tube maintained at ~0.3 Torr of fast flowing helium gas.
- Subjects
CHARGE exchange reactions; KINETIC isotope effects; COPPER tubes; EXCHANGE reactions; TUBES; AMMONIA
- Publication
Nature Communications, 2022, Vol 13, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-022-30566-3