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Electron localization in fragmentation of H2 with CEP stabilized laser pulses

MPS-Authors
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Kremer,  M.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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

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

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

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Moshammer,  R.
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

Kremer, M., Fischer, B., Rudenko, A., de Jesus, V. L. B., Schröter, C. D., Feuerstein, B., et al. (2009). Electron localization in fragmentation of H2 with CEP stabilized laser pulses. Journal of Physics: Conference Series, 194(3): 032005.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-77C1-4
Abstract
Fully differential data on ionization and dissociation of H2 in ultra-short (~ 6 fs), linearly polarized, intense (~ 4.1014W/cm2) laser pulses with stabilized carrier-envelope-phase (CEP) have been measured using a reaction microscope. Depending on the CEP of the laser pulses we see a clear asymmetry in the emission direction of the created protons. Contrary to earlier measurements by Kling et al. [1] we observe the highest asymmetry for kinetic energy releases (proton energy) between 0-2 eV. This excludes the electron re-collision mechanism suggested in [1] as dominant excitation channel and requires another explanation.