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  • 1
    Electronic Resource
    Electronic Resource
    Chemi-ionization in K2/BrCN collisions (1992)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 96 (1992), S. 7863-7864 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Ion production in thermal-energy collisions between K2 dimers and BrCN is examined using a novel time-of-flight technique incorporating position-sensitive detection. The reaction channels are identified and the energetics of reaction investigated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.462385
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Use of Rydberg atoms to probe negative ion lifetimes (1990)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 93 (1990), S. 4043-4046 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The lifetimes of the transient negative ions formed during dissociative electron capture by CHCl3 and CCl4 have been investigated through studies of electron transfer in collisions with K(nd) Rydberg atoms. Measurements of the velocity and angular distributions of the product positive and negative ions reveal that transient CHCl−@B|3 ions formed by Rydberg electron attachment to CHCl3 undergo very rapid dissociation. Similar data indicate that CCl−*4 ions formed through Rydberg electron capture by CCl4 have much longer lifetimes, on the order of 10 to 30 psec, consistent with the predictions of RRKM theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.458736
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Semiclassical model for analysis of dissociative electron transfer reactions involving Rydberg atoms (1990)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 93 (1990), S. 8669-8675 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Collisions between atoms in high Rydberg states and molecules that dissociatively attach free low-energy electrons can lead to ionization through capture of the excited electron by the target molecule. A Monte Carlo code is described that models the detailed kinematics of such dissociative electron transfer reactions. The model takes into account the velocity distributions of the reactants, the lifetime and decay energetics of the transient intermediate negative ion, and the electrostatic interaction between the product positive and negative ions. Data for CF3I are presented that illustrate how detailed comparisons between model predictions and experimental data can lead to a better understanding of the dynamics of dissociative electron attachment reactions. In particular, such comparisons can provide estimates of the lifetime of the intermediate negative ions and show how the excess energy of reaction is partitioned between translational and internal degrees of freedom in the dissociation process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.459253
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    Paper (German National Licenses)
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