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Phys. Rev. A 72, 034702 (2005) [3 pages]

Triple photodetachment from the Cl− ion

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J. Sandström1, I. Alvarez2, D. Calabrese3, C. Cisneros2, A. M. Covington4, V. T. Davis5, M. S. Gulley6, M. Halka7, D. Hanstorp1, F. S. Schlachter8, J. S. Thompson4, and D. J. Pegg9
1Department of Physics, Göteborg University, SE-41296, Göteborg, Sweden
2Centro de Ciencias Fisicas, Universidad National Autonoma de Mexico, Cuernavaca, 62131, Mexico
3Department of Physics, Sierra College, Rocklin, California 95150, USA
4Department of Physics, University of Nevada, Reno, Nevada 89557, USA
5Photonics Research Center, United States Military Academy, West Point, New York 10996, USA
6LANSCE Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
7Department of Physics, Embry-Riddle Aeronautical University, Prescott, Arizona 86301, USA
8Lawrence Berkeley National Laboratory, Advanced Light Source, Berkeley, California 94720, USA
9Department of Physics, University of Tennessee, Knoxville, Tennessee 37996, USA

Received 16 June 2005; published 16 September 2005

We have measured the cross section for the detachment of three electrons from the Cl− ion following the absorption of a single photon. The triple-photodetachment cross section is compared to our earlier measurement of the cross section for double photodetachment from the same ion. Possible direct and indirect mechanisms responsible for multiple-electron detachment are discussed. The direct process of ejection of three valence electrons seems to be the most likely process. This conjecture needs theoretical verification.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.034702
DOI:
10.1103/PhysRevA.72.034702
PACS:
32.80.Gc, 32.10.Hq
 
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