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Coincident fragment detection in strong field photoionization and dissociation of H-2

MPS-Authors
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Moshammer,  R.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Dorn,  A.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Schröter,  C. D.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Fischer,  D.
Daniel Fischer - Emmy Noether Junior Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Crespo López-Urrutia,  J. R.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Neumayer,  P.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Deipenwisch,  J.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Feuerstein,  B.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Ullrich,  J.
Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society;

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Citation

Rottke, H., Trump, C., Wittmann, M., Korn, G., Sandner, W., Moshammer, R., et al. (2002). Coincident fragment detection in strong field photoionization and dissociation of H-2. Physical Review Letters, 89(1): 013001, pp. 013001-013001.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-82F0-1
Abstract
Electron-ion momentum spectroscopy is used to investigate the correlated electronic and nuclear motion in fragmentation of H- 2 in 4x10(14) W/cm (2) , 25 fs laser pulses at 795 nm. Reaction channel dependent photoelectron spectra indicate that besides the main, stepwise H-2 ionization H-2(+) dissociation mechanism resulting in the products H(1s)+ H++e(-) a second new mechanism has to be assumed. The momentum distribution of H+ ions in the dissociation channels H(1s)+ H++e(-) and 2H(+)+2e (-) is found to be independent of the kinetic energy of the photoelectrons.