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Phys. Rev. A 69, 032701 (2004) [4 pages]

Dynamics in electron-impact ionization of H2O

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D. S. Milne-Brownlie1, S. J. Cavanagh2, Birgit Lohmann1, C. Champion3, P. A. Hervieux3, and J. Hanssen3
1School of Science, Griffith University, Nathan, Queensland, Australia 4111
2Research School of Physical Sciences and Engineering, Australian National University, Canberra, Australian Capital Territory 0200, Australia
3Laboratoire de Physique Moléculaire et des Collisions, Institut de Physique, 1 Boulevard Arago, Technopôle 2000, 57078 Metz Cedex 3, France

Received 5 December 2003; published 5 March 2004

We present multiply differential cross sections for electron-impact ionization of the water molecule. The experimental results are compared with theoretical cross sections calculated using a recently developed distorted-wave Born approach for molecules. The experimental cross sections exhibit a very large recoil scattering, which is not predicted by the theory. This has implications for applications of this theoretical approach in areas such as modeling of ionization in biological systems.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.69.032701
DOI:
10.1103/PhysRevA.69.032701
PACS:
34.80.Dp
 
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