New resonances in the dissociative recombination of vibrationally cold CD

The dissociative recombination of vibrationally cold CD[sup +] with electrons in the energy range of 0.01 eV to 60 eV has been measured using the Test Storage Ring in a merged beam arrangement. New resonance structures are observed with prominent peaks at 0.8 eV, 8.6 eV, and 11.7 eV. While the secon...

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Bibliographic Details
Published in:Physical review letters 1994-03, Vol.72 (13), p.2002-2005
Main Authors: Forck, P, Broude, C, Grieser, M, Habs, D, Kenntner, J, Liebmann, J, Repnow, R, Schwalm, D, Wolf, A, Amitay, Z, Zajfman, D
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
BINDING ENERGY
CATIONS
CHARGED PARTICLES
COLLISIONS
CROSS SECTIONS
DATA
DEUTERIUM COMPOUNDS
DISSOCIATION
ELECTRON COLLISIONS
ELECTRON-ION COLLISIONS
ENERGY
ENERGY LEVELS
EXCITED STATES
EXPERIMENTAL DATA
HYDROCARBONS
HYDROGEN COMPOUNDS
INFORMATION
ION COLLISIONS
IONS
MOLECULAR IONS
NUMERICAL DATA
ORGANIC COMPOUNDS 664300 > Atomic & Molecular Physics-- Collision Phenomena-- (1992-)
RECOMBINATION
RYDBERG STATES
STORAGE RINGS
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Summary:The dissociative recombination of vibrationally cold CD[sup +] with electrons in the energy range of 0.01 eV to 60 eV has been measured using the Test Storage Ring in a merged beam arrangement. New resonance structures are observed with prominent peaks at 0.8 eV, 8.6 eV, and 11.7 eV. While the second and third resonance are readily attributed to direct recombination processes through Rydberg levels with dissociating molecular ion cores, the origin of the first resonance structure is not well understood, however, its small width of 0.45 eV is an indication of an indirect recombination process.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.72.2002