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Efficient ejection of from hydrocarbon molecules induced by ultrashort intense laser fields
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10.1063/1.2973588
/content/aip/journal/jcp/129/10/10.1063/1.2973588
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/10/10.1063/1.2973588

Figures

Image of FIG. 1.
FIG. 1.

TOF mass spectra of ions produced from hydrocarbon molecules in intense laser fields . The laser polarization direction is parallel to the TOF tube axis. The sharp peaks marked with an asterisk at , 28, and 32 are residual in the chamber, and and , and other hydrocarbon fragments originated from the contamination in the sample vapor.

Image of FIG. 2.
FIG. 2.

TOF mass spectra in the small region of Fig. 1 obtained when the laser polarization direction is parallel (upper traces) and perpendicular (lower traces) to the TOF tube axis.

Image of FIG. 3.
FIG. 3.

(a) The kinetic energies of ejected with respect to the molecular size, which is defined as the largest internuclear distance among all the nuclear pair within a molecule in the electronic ground state obtained by DFT calculation at the level. (b) The distances between the two charge centers derived from the observed kinetic energy of fragments as a function of the molecular size.

Image of FIG. 4.
FIG. 4.

The ratio of ion yield of to that of in the kinetic energy range of detected when the laser polarization is parallel (solid bars) and perpendicular (gray bars) to the TOF tube axis.

Image of FIG. 5.
FIG. 5.

Anisotropy of the ejection direction of and , defined as , and of defined as .

Tables

Generic image for table
Table I.

Kinetic energy of and distances between charge centers.

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/content/aip/journal/jcp/129/10/10.1063/1.2973588
2008-09-08
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Efficient ejection of H3+ from hydrocarbon molecules induced by ultrashort intense laser fields
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/10/10.1063/1.2973588
10.1063/1.2973588
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