An analysis of the energy spectra of cosmic rays and particularly the precise data from the AMS-02 experiment support the view about the important role of the Local Bubble in the nearby interstellar medium. It is suggested that the bulk of cosmic rays below about 200 GV of rigidity (momentum/charge ratio) comes from the modest number of supernova remnants in the Local Bubble which appear to have occurred some 10^6 years ago and contributed to its formation. At higher rigidities the contribution from a 'Local Source', a single supernova remnant generated some 10^5 years ago seems to dominate up to, at least 1000 GV.


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    Titel :

    The Local Bubble in the interstellar medium and the origin of the low energy cosmic rays



    Erschienen in:

    Advances in space research ; 59 , 2 ; 748-750


    Erscheinungsdatum :

    2017




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    50.93 / 50.93 Weltraumforschung / 55.60 Raumfahrttechnik / 55.60




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