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Phys. Rev. A 60, 2799–2807 (1999)

Collision spectroscopy of Ar8++H2 at low velocities (v<1a.u.)

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S. Bliman
Université de Marne la Vallée, IFIS, 5, Boulevard Descartes, Champs sur Marne, 77454 Marne la Vallée Cedex 2, France

M. Cornille
DARC Observatoire de Paris, UPR 176 CNRS, 92195 Meudon Cedex, France

B. A. Huber and H. Lebius
Département de Recherche Fondamentale sur la Matière Condensée, SI2A, CEA-Grenoble, 17, rue des Martyrs, 38054 Grenoble Cedex 9, France

A. Langereis and J. Nordgren
Department of Physics, Uppsala University, Box 530, S7521 Uppsala, Sweden

R. Bruch
Physics Department, University of Nevada, Reno, Nevada 89577-0058

Received 14 May 1999; published in the issue dated October 1999

Single and double electron transfer have been studied for the collision system Ar8++H2 at low velocities (v<1a.u.). X-ray ultraviolet and Auger spectroscopies complemented by translational energy gain and time-of-flight spectroscopies reveal details on the transfer mechanisms: in contrast to the other two-electron target system (He target), a channel is opened where electron capture takes place with further dissociation of H2+. We consider the target fragment dynamics and discuss possible molecule dissociation mechanisms.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.60.2799
DOI:
10.1103/PhysRevA.60.2799
PACS:
32.30.-r, 32.80.Dz, 34.70.+e
 
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