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Cosmic ray propagation in the local superbubbleIt 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.
Document ID
19850004547
Acquisition Source
Legacy CDMS
Document Type
Preprint (Draft being sent to journal)
Authors
Steitmatter, R. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Balasubrahmanyan, V. K. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Protheroe, R. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ormes, J. F. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 5, 2013
Publication Date
September 1, 1984
Subject Category
Space Radiation
Report/Patent Number
NAS 1.15:85030
NASA-TM-85030
Report Number: NAS 1.15:85030
Report Number: NASA-TM-85030
Accession Number
85N12855
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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