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Phys. Rev. A 72, 022703 (2005) [7 pages]

Double photoionization of He and H2 at unequal energy sharing

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A. S. Kheifets*
Research School of Physical Sciences, The Australian National University, Canberra ACT 0200, Australia

Igor Bray†
Centre for Atomic, Molecular, and Surface Physics, School of Mathematical and Physical Sciences, Murdoch University, Perth, 6150 Australia

Received 13 March 2005; published 9 August 2005

A recently developed single-center model of double photoionization (DPI) of the H2 molecule [ Kheifets Phys. Rev. A 71 022704 (2005)] has been extended to represent the DPI process at unequal energy sharing. The model is applied to describe the shape of the fully-differential cross-section (FDCS) of a randomly oriented hydrogen molecule in the isotopic form of D2 at the kinematics of recent experiments. Comparison with analogous FDCS for the He atom helps to elucidate the molecular effects.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.022703
DOI:
10.1103/PhysRevA.72.022703
PACS:
32.80.Fb, 32.80.Rm, 42.50.Hz

*Electronic address: a.kheifets@anu.edu.au; URL: http://rsphysse.anu.edu.au/̃ask107

†Electronic address: i.bray@murdoch.edu.au; URL: http://atom.murdoch.edu.au

 
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