The lifetimes of , , and heavy-Rydberg ion-pair states produced through Rydberg electron transfer reactions are measured directly as a function of binding energy using electric field induced detachment and the ion-pair decay channels discussed. The data are interpreted using a Monte Carlo collision code that models the detailed kinematics of electron transfer reactions. The lifetimes of ion-pair states are observed to be very long, , and independent of binding energy. The lifetimes of strongly bound ion pairs are found to be similarly long but begin to decrease markedly as the binding energy is reduced below this value. This behavior is attributed to conversion of rotational energy in the ion into translational energy of the ion pair. No long-lived ion pairs are observed, their lifetimes decreasing with increasing binding energy. This behavior suggests that ion-pair loss is associated with mutual neutralization as a result of charge transfer.
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14 August 2010
Research Article|
August 11 2010
Lifetimes of heavy-Rydberg ion-pair states formed through Rydberg electron transfer
M. Cannon;
M. Cannon
a)
1Department of Physics and Astronomy,
Rice University
, MS61, 6100 Main Street, Houston, Texas 77005-1892, USA
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C. H. Wang;
C. H. Wang
1Department of Physics and Astronomy,
Rice University
, MS61, 6100 Main Street, Houston, Texas 77005-1892, USA
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F. B. Dunning;
F. B. Dunning
1Department of Physics and Astronomy,
Rice University
, MS61, 6100 Main Street, Houston, Texas 77005-1892, USA
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C. O. Reinhold
C. O. Reinhold
2Physics Division,
Oak Ridge National Laboratory
, Oak Ridge, Tennessee 37831-6373, USA
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a)
Electronic mail: [email protected].
J. Chem. Phys. 133, 064301 (2010)
Article history
Received:
May 04 2010
Accepted:
June 30 2010
Citation
M. Cannon, C. H. Wang, F. B. Dunning, C. O. Reinhold; Lifetimes of heavy-Rydberg ion-pair states formed through Rydberg electron transfer. J. Chem. Phys. 14 August 2010; 133 (6): 064301. https://doi.org/10.1063/1.3466924
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