Negative ion productions in high velocity collision between small carbon clusters and Helium atom target

We measured absolute double capture cross section of Cn+ ions (n=1,5) colliding, at 2.3 and 2.6 a.u velocities, with an Helium target atom and the branching ratios of fragmentation of the so formed electronically excited anions Cn−*. We also measured absolute cross section for the electronic attachm...

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Bibliographic Details
Published in:Journal of physics. Conference series 2012-01, Vol.388 (10), p.102036-1
Main Authors: Chabot, M, Béroff, K, Pino, T, Féraud, G, Dothi, N, Le Padellec, A, Martinet, G, Bouneau, S, Carpentier, Y
Format: Article
Language:English
Subjects:
Absorption cross sections
Anions
Attachment
Carbon
Charge exchange
Clusters
Cross sections (physics)
Electronics
Helium
Helium atoms
Negative ions
Physics
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Summary:We measured absolute double capture cross section of Cn+ ions (n=1,5) colliding, at 2.3 and 2.6 a.u velocities, with an Helium target atom and the branching ratios of fragmentation of the so formed electronically excited anions Cn−*. We also measured absolute cross section for the electronic attachment on neutral Cn clusters colliding at same velocities with He atom. This is to our knowledge the first measurement of neutral-neutral charge exchange in high velocity collision.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/388/10/102036