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Totale effektive Streuquerschnitte der HD-Edelgas-Systeme im thermischen Energiebereich

Total effective scattering cross sections of the HD-inert gas systems in the thermal energy region

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Zeitschrift für Physik A Hadrons and nuclei

Abstract

Total cross sections of velocity selected HD beams scattered by the inert gases in a scattering chamber have been measured in the velocity range from 300 to 3500 m/sec. No effects of the HD asymmetry are visible; the potential parameters obtained are, to within the error limits, the same as those for the H2 and D2-inert gas systems. The glory structure of all the H2, HD, and D2-inert gas systems can be fitted relatively well using the Lennard-Jones-(12,6)-potential. This does not necessarily provide a valid information about the actual potential shape for these systems, it can also be a result of the small “potential well capacity” parametersB of these systems, since for decreasingB values the absolute glory amplitude becomes more and more insensitive to potential shape changes, as can be seen from both semiclassical and exact calculations.

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Die Arbeit wurde von der Deutschen Forschungsgemeinschaft in großzügiger Weise unterstützt. Herrn Prof. R. Helbing sei für die Überlassung eines Rechenprogrammes zur Berechnung totaler Streuquerschnitte gedankt. Für die gewährte Rechenzeit bedanken wir uns bei der Gesellschaft für Mathematik und Datenverarbeitung, Bonn/Birlinghoven.

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Butz, H.P., Feltgen, R., Pauly, H. et al. Totale effektive Streuquerschnitte der HD-Edelgas-Systeme im thermischen Energiebereich. Z. Physik 247, 60–69 (1971). https://doi.org/10.1007/BF01557855

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  • DOI: https://doi.org/10.1007/BF01557855

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