NASA NTRS · 19850004547
Cosmic ray propagation in the local superbubble
Abstract
It is suggested that a ring of HI gas lying in the galactic plane is part of a supershell which formed some 3 x to the 7th power years ago. The consequences of a closed magnetic supershell for cosmic ray propagation are examined and it is concluded that there is no evidence which precludes the production and trapping of cosmic rays in such a region. A consequence of superbubble confinement is that the mean age of cosmic rays would be independent of energy. This can be tested by high energy observations of the isotopic composition of Be.
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Steitmatter, R. E., Balasubrahmanyan, V. K., Protheroe, R. J., Ormes, J. F.. 1984-09-01. Cosmic ray propagation in the local superbubble. https://ntrs.nasa.gov/citations/19850004547
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