Complete dose analysis of the November 12, 1960 solar cosmic ray event.
Masley AJ, Goedeke AD.
Missiles and Space Systems Division, Douglas Aircraft Corporation, Inc., Santa Monica, California, USA.
A detailed analysis of the November 12, 1960 solar cosmic ray event is presented as an integrated space flux and dose. This event is probably the most interesting solar cosmic ray event studied to date. Direct measurements were made of solar protons from 10 MeV to 6 GeV. During the double peaked high energy part of the event evidence is presented for the trapping of relativistic particles in a magnetic cloud. The proton energy spectrum is divided into 3 energy intervals, with separate energy power law exponents and time profiles carried through for each. The three groups are: (1) (30<E<80 MeV), (2) (80<E<440 MeV), (3) (440 MeV< E< 6 GeV). Included in the analysis are the results of rocket measurements which determined the spectrum down to 10 MeV twice during the event, balloon results from Fort Churchill and Minneapolis, earth satellite measurements, neutron monitors in New Hampshire and at both the North and South Pole and riometer results from Alaska and Kiruna, Sweden. The results are given in Table 1 [see text]. The results of our analyses of other solar cosmic ray events are also included with a general discussion of the solar flare hazards in space.
http://www.ncbi.nlm.nih.gov/pubmed/12056429?dopt=Abstract
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