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          Institute: MPI für Kernphysik     Collection: Physics of Cold Molecular Ions and Ultra-Cold Ensembles     Display Documents



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ID: 204810.0, MPI für Kernphysik / Physics of Cold Molecular Ions and Ultra-Cold Ensembles
Storage Ring Experiments with Cold Molecular Ions: the H3+ Puzzle
Authors:Wolf, A.; Lammich, L.; Strasser, D.; Altevogt, S.; Andrianarijaona, V.; Buhr, H.; Heber, O.; Kreckel, H.; Pedersen, H.; Schwalm, D.; Zajfman, D.
Language:English
Date of Publication (YYYY-MM-DD):2004
Title of Journal:Physica Scripta
Volume:T110
Start Page:193
End Page:199
Copyright:© Royal Swedish Academy of Sciences
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Experiments on the dissociative recombination (DR) of low-energy electrons with triatomic hydrogen ions (H3+) using merged beams in storage rings are discussed, focusing on the ro-vibrational relaxation and state diagnostics of the stored ion beam, on studies of the three-body breakup following DR, and on new observations showing a variation of the DR rates during the continuous interaction of the stored ions with a cold electron beam. Linear fragmentation patterns in the three-body DR are discussed in the light of the H3 electronic potential surfaces. Measured energy dependencies of the H3+ DR rate coefficient are compared to recent theoretical predictions [Kokoouline, V. and Greene, C. H., Phys. Rev. A 68, 012703 (2003)] and a recent storage-ring measurement at CRYRING [McCall, B. J. et al., Nature 422, 500 (2003)].
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group D. Schwalm/Atomic and Molecular Physics with Stored Ions (A. Wolf)
External Affiliations:Department of Particle Physics, Weizmann Institute of Science, Rehovot, 76100, Israel.
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