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Absolute differential cross sections for electron impact excitation of the 10.8-11.5 eV energy-loss states of CO2

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Abstract:

Absolute differential cross sections (DCSs) for electron impact excitation of electronic states of CO2 in the 10.8-11.5 eV energy-loss range are reported. These data were obtained at the incident electron energies 20,30,60,100 and 200 eV and over the scattered electron angular range 3.5°-90°. The accuracy of our experimental methods has been established independently by using several different normalization techniques at both Sophia and Flinders Universities. Generalized oscillator strengths were derived from our measured DCSs and then extrapolated to zero momentum transfer, in order to determine the optical oscillator strengths. These optical oscillator strengths, where possible, are compared with the results from previous measurements and calculations.

Document Type: Miscellaneous

Affiliations: 1: SoCPES, Flinders University of SA, GPO Box 2100, Adelaide, SA 5001, Australia 2: Physics Department, Sophia University, Kioicho 7-1, Chiyoda-ku, Tokyo 102-8854, Japan 3: ISAS, Yoshinodai 3-1-1, Sagamihara, Kanagawa 229-8510, Japan 4: GSST, Yamaguchi University, Yamaguchi 755-8611, Japan 5: Theoretische Chemie, Bergische Universität, D-42097, Wuppertal, Germany

Publication date: January 1, 2002

iop/jphysb/2002/00000035/00000003/art00311
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