Multielectron dissociative ionization of SF6 in an intense femtosecond laser field
International Journal of Mass Spectrometry(2004)
Abstract
The multielectron dissociative ionization of sulphur hexafluoride was investigated using 130fs laser pulses at 810nm wavelength. The pattern of the observed mass spectrum is explained based on the molecular structure symmetry and atomic ionization potentials. The kinetic energies of the atomic ions F+ and F2+ are consistent with a Coulomb explosion at a single critical internuclear distance. High precision angular distributions of atomic ions are obtained and the geometric alignment is responsible to the observed anisotropic angle distribution of energetic atomic ions.
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33.80.Rv,33.15.Ta,42.50.Hz
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