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Excitation of electronic states in tetrahydrofuran by electron impact
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10.1063/1.3575454
/content/aip/journal/jcp/134/14/10.1063/1.3575454
http://aip.metastore.ingenta.com/content/aip/journal/jcp/134/14/10.1063/1.3575454

Figures

Image of FIG. 1.
FIG. 1.

Typical electron energy loss spectra for 20 eV electrons scattering from THF, obtained at a variety of kinematical conditions as denoted on the plots. The spectra are very complicated with many overlapping Rydberg terms. Different scales were employed to highlight the differences in the peak heights, of the various components in these spectra, which vary with the kinematical conditions under study. The three main bands of Rydberg terms that we study are also denoted on this figure.

Image of FIG. 2.
FIG. 2.

Present differential cross sections (cm2/sr) for 20 eV electron impact excitation of the three lowest-lying 3s, 3p, and 3d Rydberg bands of electronic states in THF. See also legend on figure for more details.

Image of FIG. 3.
FIG. 3.

Present differential cross sections (cm2/sr) for 50 eV electron impact excitation of the three lowest-lying 3s, 3p, and 3d Rydberg bands of electronic states in THF. See also legend on figure for more details.

Image of FIG. 4.
FIG. 4.

Present integral cross sections (cm2) for electron impact excitation of the three lowest-lying 3s, 3p, and 3d Rydberg bands of electronic states in THF. See also legend on figure for more details.

Image of FIG. 5.
FIG. 5.

Cross sections for various electron scattering processes with THF. Measured TCS data by Zecca et al. (Ref. 16) (black - ♦) and Fuss et al. (Ref. 14) (⋄), elastic ICS by Colyer et al. (Ref. 19) (•), ionization cross sections (Ref. 14) (⊞), and the present ICSs for the sum of the three bands of electronic states (red - ♦). Also plotted are the IAM-SCAR results (Ref. 14) for the TCS (- -- -), elastic ICS (-□—), and the sum over all the inelastic processes ICSs (▴).

Tables

Generic image for table
Table I.

Differential cross sections (× 10−19 cm2/sr) for electron impact excitation of the band 1 Rydberg states in THF. Numbers in parentheses are the percentage errors on the data. Corresponding integral cross sections (× 10−18 cm2) are given at the foot of the table, with the numbers in parentheses again representing the percentage uncertainties on those ICSs.

Generic image for table
Table II.

Differential cross sections (× 10−19 cm2/sr) for electron impact excitation of the band 2 Rydberg states in THF. Numbers in parentheses are the percentage errors on the data. Corresponding integral cross sections (× 10−18 cm2) are given at the foot of the table, with the numbers in parentheses again representing the percentage uncertainties on those ICSs.

Generic image for table
Table III.

Differential cross sections (× 10−19 cm2/sr) for electron impact excitation of the band 3 Rydberg states in THF. Numbers in parentheses are the percentage errors on the data. Corresponding integral cross sections (× 10−18 cm2) are given at the foot of the table, with the numbers in parentheses again representing the percentage uncertainties on those ICSs.

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/content/aip/journal/jcp/134/14/10.1063/1.3575454
2011-04-08
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Excitation of electronic states in tetrahydrofuran by electron impact
http://aip.metastore.ingenta.com/content/aip/journal/jcp/134/14/10.1063/1.3575454
10.1063/1.3575454
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