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Probing the electronic structure of with high-resolution photoelectron spectroscopy
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10.1063/1.2213262
/content/aip/journal/jcp/125/13/10.1063/1.2213262
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/13/10.1063/1.2213262

Figures

Image of FIG. 1.
FIG. 1.

PFI-ZEKE spectra of atomic uranium recorded via the intermediate state ( configuration) at using pulsed electric fields with amplitudes of 71 and , applied after photoexcitation. The vertical line to the right of the PFI-ZEKE features indicates the energy of the ground state. This line also coincides with the high-energy edges of the peaks, indicating that the effect of the stray electric fields is within error range of the IE measurements.

Image of FIG. 2.
FIG. 2.

Rotationally resolved REMPI spectrum of the 0-0 transition of UO.

Image of FIG. 3.
FIG. 3.

PFI-ZEKE spectra for UO recorded via specific rotational levels of the intermediate state [19.453]3. The spectra show the rotational structure for the level. These data were obtained using a pulsed electric field of , applied after photoexcitation. The spectra are plotted against total energy of the transition from the UO , state.

Image of FIG. 4.
FIG. 4.

PFI-ZEKE spectra for UO recorded via specific rotational levels of the intermediate state [19.453]3 using a pulsed field with an amplitude of . The spectra show the rotational manifold of the (1)2.5 level. The spectra are plotted against total energy of the transition from the UO , state.

Image of FIG. 5.
FIG. 5.

Observed low-lying electronic states ( and 1 only) for the configuration of , arranged according to energy and .

Tables

Generic image for table
Table I.

Ionization energy of U atom: comparison to previous measurements.

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Table II.

Term energies and molecular constants for the low-lying states of . (Vibrational constants given in brackets are values.)

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Table III.

Experimental and theoretical term energies for the low energy states of .

Generic image for table
Table IV.

Comparison of experimentally observed and calculated [value of the fitted LFT parameters are , , , (fixed)] term energies and rotational constants [the deperturbed value was obtained by setting the calculated value for the ground state to the experimental value] (in ) for the states of .

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/content/aip/journal/jcp/125/13/10.1063/1.2213262
2006-10-02
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Probing the electronic structure of UO+ with high-resolution photoelectron spectroscopy
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/13/10.1063/1.2213262
10.1063/1.2213262
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