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  • SPACE RADIATION  (2)
  • ATOMIC AND MOLECULAR PHYSICS  (1)
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  • 1
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    Confinement of cosmic rays in molecular clouds (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: (Previously announced in STAR as N82-20073)
    Keywords: SPACE RADIATION
    Type: Astrophysical Journal; vol. 259
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Recombination coefficients for iron ions (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Radiative recombination coefficients for all Fe ions are calculated by use of the Milne relation of detailed balance. Analytic fits are made to the dielectronic recombination rates computed by Jacobs (1977) and the Burgess general formula (1965). Higher level rates are treated hydrogenically by a quantum defect method based on the energies of the levels. Recombination coefficients for Fe I to Fe 26 are listed.
    Keywords: ATOMIC AND MOLECULAR PHYSICS
    Type: Astrophysical Journal; vol. 249
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Confinement of cosmic rays in molecular clouds (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: The consequences of cosmic ray production by a supernova in a molecular cloud are discussed. Self-trapping problems for a higher flux of cosmic rays in a molecular cloud are focused on. The column density of molecular clouds is probably too high to explain the majority of galactic cosmic ray sources, even allowing for fortuitous asymmetry in the placement of the supernova in the cloud, however, measurements of antiproton flux suggest that some cosmic ray sources do have a high column density. The large predicted gamma-ray luminosity of such a cloud invites comparison with COS-B sources.
    Keywords: SPACE RADIATION
    Type: ESA Plasma Astrophys.; p 371-373
    Format: text
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    NASA TECHNICAL REPORTS
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