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Lifetimes of heavy-Rydberg ion-pair states formed through Rydberg electron transfer
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10.1063/1.3466924
/content/aip/journal/jcp/133/6/10.1063/1.3466924
http://aip.metastore.ingenta.com/content/aip/journal/jcp/133/6/10.1063/1.3466924
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Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of the apparatus. The inset shows a representative distribution of final energies typical of ion pairs formed in collisions between low- Rydberg atoms and attaching targets together with the field induced dissociation thresholds associated with and plus (see text).

Image of FIG. 2.
FIG. 2.

Calculated survival probabilities for ion-pair states with and the values of indicated in a ramped field applied at that rises linearly from 0 to in . For each value of , a random distribution of values of in the range of is assumed. The simulations also assume a pure Coulomb interaction between the ions.

Image of FIG. 3.
FIG. 3.

Ion arrival time distributions for ions produced in collisions at a Rydberg atom velocity of . Rydberg excitation defines and the initial pulse is applied after a collision time of . Data are included for applied following the additional time delays, , indicated.

Image of FIG. 4.
FIG. 4.

Time development of the populations of (a) , (b) , and (c) ion-pair states having binding energies in the ranges (●) 5–12 meV, (○) 18–23 meV, (◼) 29–34 meV, and (◻) 44–48 meV. The solid lines show exponential fits to the data and correspond to the lifetimes indicated.

Image of FIG. 5.
FIG. 5.

Rydberg-atom velocity dependence of the measured rate for direct production of (a) free ions in collisions and (b) free ions in K(16p)–BrCN collisions. The dashed lines show the predictions of Monte Carlo simulations that assume no internal-to-translational energy transfer. The experimental data are normalized to the simulations.

Image of FIG. 6.
FIG. 6.

Arrival time distributions of (free) ions produced through K(16p)–BrCN collisions at the Rydberg atom velocities indicated. The origin of the time axis is taken to be the end of the 200-ns-long laser excitation pulse. The various data sets are normalized to the same maximum value.

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/content/aip/journal/jcp/133/6/10.1063/1.3466924
2010-08-11
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Lifetimes of heavy-Rydberg ion-pair states formed through Rydberg electron transfer
http://aip.metastore.ingenta.com/content/aip/journal/jcp/133/6/10.1063/1.3466924
10.1063/1.3466924
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