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Cosmic Rays over the Upper Mid-WestDifferential energy spectra of cosmic ray protons and helium nuclei in the 100 to 260 MeV/nucleon were measured on balloon flights in the upper midwestern (U.S.) area. Solar cycle variations of atmospheric secondary protons were also investigated.
Document ID
19730016091
Document Type
Thesis/Dissertation
Authors
Rygg, T. A.
(Maryland Univ. College Park, MD, United States)
Date Acquired
September 2, 2013
Publication Date
December 1, 1972
Subject Category
Space Radiation
Report/Patent Number
TR-73-081
NASA-CR-132056
Funding Number(s)
CONTRACT_GRANT: NGR-21-002-066
CONTRACT_GRANT: NGL-21-002-008
CONTRACT_GRANT: NONR-710(19)
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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