Anisotropic effect in the charge transfer of C^q+ ions with uracil

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M. C. Bacchus-Montabonel and Y. S. Tergiman
Laboratoire de Spectrométrie Ionique et Moléculaire, CNRS et Université Lyon I, 43 Boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France

Received 12 May 2006; revised 17 July 2006; published 20 November 2006

Theanisotropy effect in charge transfer induced by collision of C^q+ions (q=2,4) on uracil has been studied theoretically using abinitio molecular methods followed by a semiclassical dynamical treatment. Theprocess depends strongly on the orientation of the projectile inthe C⁴⁺+uracil reaction and is favored around the perpendicular direction.The effect is weaker in the C²⁺+uracil collision system wherecross-sections remain low.

URL:	http://link.aps.org/doi/10.1103/PhysRevA.74.054702
DOI:	10.1103/PhysRevA.74.054702
PACS:	34.70.+e 34.70.+e Charge transfer (atoms and molecules) YEAR: 2006
KEYWORDS:	carbon, organic compounds, molecular biophysics, biochemistry, ab initio calculations, charge exchange, ion beam effects

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