The elemental composition of the cosmic-ray source is different from that which has been generally taken as the composition of the solar system. No general enrichment of products of either r-process or s-process nucleosynthesis accounts for the differences over the entire range of ultraheavy elements; specific determination of nucleosynthetic contributions to the differences depends upon an understanding of the nature of any acceleration fractionation. Comparison between the cosmic-ray source abundances and the abundances of C1 and C2 chondritic meteorites suggests the possibility that differences between the cosmic-ray source and the 'standard (C1) solar system' may not be due to acceleration fractionation of the cosmic rays, but may be due instead to a fractionation of the C1 abundances with respect to the interstellar abundances.


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    Titel :

    Elemental abundances of ultraheavy cosmic rays


    Beteiligte:
    Binns, W. R. (Autor:in) / Israel, M. H. (Autor:in) / Klarmann, J. (Autor:in) / Fixsen, D. J. (Autor:in) / Waddington, C. J. (Autor:in) / Garrard, T. L. (Autor:in) / Stone, E. C. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1984



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Elemental abundances of ultraheavy cosmic rays

    Binns, W.R. / Fixsen, D.J. / Garrard, T.L. et al. | Elsevier | 1984


    Measurements of ultraheavy cosmic rays with HEAO-3

    Binns, W. R. / Israel, M. H. / Klarmann, J. et al. | NTRS | 1986



    Cosmic-ray elemental abundances

    Lund, Niels | Elsevier | 1984