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Electron Retroaction in the Dissociation of fixed in Space H<sub>2</sub> and D<sub>2 </sub>Molecules

POSTER

Abstract

Experiments employing the COLTRIMS technique in combination with VUV radiation from the Advanced Light Source (ALS) synchrotron that single-ionizes and dissociates hydrogen and deuterium molecules just above threshold have been carried out at several photon energies. We report on the asymmetry of the molecular frame photoelectron angular distribution (MFPAD) due to the post-photoionization interaction between the low-energy photoelectron and the parent molecular ion, which is known as the electron retroaction effect. We investigate the dependence of this asymmetry on the angle between the molecular axis and the polarization direction of the synchrotron radiation. We also report on how these MFPADs change with photoelectron energy.

Presenters

  • Spenser J Burrows

    Auburn University

Authors

  • Guillaume M Laurent

    Auburn University

  • Spenser J Burrows

    Auburn University

  • Itzik Ben-Itzhak

    Kansas State University, J.R. Macdonald Laboratory, Physics, Kansas State University, J.R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA

  • Benjamin Berry

    Kansas State University

  • Elio G Champenois

    University of California, Berkeley

  • Reinhard Doerner

    Goethe University Frankfurt

  • Jan Dvorak

    Lawrence Berkeley National Laboratory

  • Averell S Gatton

    Auburn University

  • Wael Iskander

    Lawrence Berkeley National Laboratory

  • Kirk A Larsen

    University of California, Berkeley

  • Robert R Lucchese

    Lawrence Berkeley National Laboratory, LBL, Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA

  • William McCurdy

    University of California, Davis, U. C. Davis and Lawrence Berkeley National Laboratory

  • Daniel Metz

    Goethe University Frankfurt

  • Thomas N Rescigno

    Lawrence Berkeley National Laboratory, Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA

  • Hendrik Sann

    Goethe University Frankfurt

  • Travis Severt

    Kansas State University, J.R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA

  • Niranjan Shivaram

    Purdue University

  • Daniel S Slaughter

    Lawrence Berkeley National Laboratory, Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA

  • Miriam Weller

    Goethe University Frankfurt

  • Joshua B Williams

    University of Nevada, Reno, Department of Physics, University of Nevada, Reno, NV 89557 USA

  • Thorsten Weber

    Lawrence Berkeley National Laboratory