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Supernova remnants and the origin of the cosmic radiation: III. Spectral differences for different nuclei

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Abstract:

Our model, involving cosmic ray acceleration by supernova remnants, with subsequent Galactic propagation, has been applied to the astrophysically interesting problem of the reason for differences in the spectra of the various Galactic mass components.

When allowance is made for the likely differences in mass composition of the dust and gas in the interstellar medium between the local region containing the `hot bubble' (within [iopmath latex="$ {\simeq}~ 200$"]  200 [/iopmath]  pc) and that further afield, and the likelihood of a recent supernova in the local region, support appears for our model.

Document Type: Miscellaneous

Affiliations: Department of Physics, University of Durham, South Road, Durham DH1 3LE, UK

Publication date: January 1, 2001

iop/jphysg/2001/00000027/00000008/art00301
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