The first-order Fermi shock acceleration model is compared with specific observations where electron, proton, and alpha particle spectra are available. In all events, it is found that a single shock with a compression ratio as inferred from the low-energy proton spectra can reasonably produce the full proton, electron, and alpha particle spectra. The model predicts that the acceleration time to a given energy will be approximately equal for electrons and protons and, for reasonable solar parameters, can be less than 1 sec to 100 MeV.


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    Title :

    First-order Fermi shock acceleration in solar flares


    Contributors:
    Ellison, D. C. (author) / Ramaty, R. (author)

    Published in:

    Publication date :

    1984-01-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    First-order Fermi shock acceleration in solar flares

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