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  • 1
    Electronic Resource
    Electronic Resource
    Collision spectroscopy with aligned and oriented atoms (1988)
    Springer
    The European physical journal 10 (1988), S. 45-57 
    Details
    ISSN: 1434-6079
    Keywords: 34.00 ; 34.70 ; 32.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Electron capture processes in the H+−Na(3s) and H+−Na(3p) collisions are experimentally investigated in the 0.3–3 keV energy range using a crossed beam experiment. The excited Na(3p) target is produced with a well-defined alignment using laser pumping. The time of flight technique enables the identification of all the H(n)+Na+ channels populated in the collision. Total cross section ratios σ3p (n=2)/σ3s (n=2),σ3p (n=3)/σ3s (n=2) and σ3s (n=3)/σ3s (n=2) for the production of H(n=2) and H(n=3) are measured in the H+−Na (3s) and H+−Na (3p) collisions. They reveal a strong dominance of the production of H(n=2) in the H+−Na(3p) collision, especially for energies below 1 keV.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01425580
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Collision spectroscopy with aligned and oriented atoms (1991)
    Springer
    The European physical journal 18 (1991), S. 231-234 
    Details
    ISSN: 1434-6079
    Keywords: 34.00 ; 34.70 ; 32.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Neutralisation processes in 0.15–1.5 keV collisions of H− with Na atoms in the 3s ground state or in the excited 3p state have been investigated by means of time-of-flight analysis of the neutral H atoms produced. The H− - Na(3p) system, investigated here for the first time, is particularly interesting since the entrance channel is embedded in the [H - Na(3s)] +e − continuum, enabling Penning detachment to occur. The measured relative neutralisation cross section ratios σ(3p)/σ(3s) decrease from 3 to 1.6 with increasing energy. Based on earlier published results for σ(3s), σ(3p) total cross sections exceeding 100 Å2 are estimated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437076
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    Paper (German National Licenses)
    Fulltext
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