Analysis of excited hydrogen fragments in molecular photodissociation: application to pump-probe experiments

Authors

  • М. М. Хаердинов Skobeltsyn Institute of Nuclear Physics, Russian Federation
  • А. М. Грум-Гржимайло Skobeltsyn Institute of Nuclear Physics, Russian Federation
  • С. И. Страхова Skobeltsyn Institute of Nuclear Physics, Russian Federation

DOI:

https://doi.org/10.24144/2415-8038.2011.30.197-202

Keywords:

Photodissociation, Femtosecond resolution, The hydrogen fragment, Photoelectrons, The ionizing pulse

Abstract

To investigate dynamics of molecular photodissociation with femtosecond time resolution, we propose to analyze excited state of hydrogen fragment in the VUV pump and optical laser probe experiments with detecting angular distribution of the photoelectrons. The ionizing optical laser pulse with variable polarization and time delay serves as the “analyzer” of the excited hydrogen atom.

References

Meyer M. et al. Polarization control in two-color above-threshold ioniza-tion of atomic helium // Phys. Rev. Lett. – 2008. – 101. – 193002.

Eck T.G. Coherent excitation of S and P states of the n=2 term of atomic hydrogen // Phys. Rev. Lett. – 1973. – 31. – 270.

Kimura Y., Nishida T. and Ishii K. Population, alignment, and coherence of the foil-excited n=2 hydrogen atoms: Polarization observation of the field-dependent quantum beats in the Lyman-α line // Phys. Rev. – 1997. – A 56. – 4612.

Meyer M. et al. Two-color experiments in the gas phase at FLASH. // J. Electron Spectrosc Relat. Phenom. – 2010. – 181. – 111.

Published

2011-12-31

Issue

Section

Статті