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Gamma-ray lines and neutrons from solar flaresThe energy spectrum of accelerated protons and nuclei at the site of a limb flare was derived by a technique, using observations of the time dependent flux of high energy neutrons at the earth. This energy spectrum is very similar to the energy spectra of 7 disk flares for which the accelerated particle spectra was previously derived using observations of 4 to 7 MeV to 2.223 MeV fluence ratios. The implied spectra for all of these flares are too steep to produce any significant amount of radiation from pi meson decay. It is suggested that the observed 10 MeV gamma rays from the flare are bremsstrahlung of relativistic electrons. Previously announced in STAR as N83-19695
Document ID
19830066480
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Ramaty, R.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Murphy, R. J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Kozlovsky, B.
(Tel Aviv University Tel Aviv, Israel)
Lingenfelter, R. E.
(California, University La Jolla, CA, United States)
Date Acquired
August 11, 2013
Publication Date
July 1, 1983
Publication Information
ISSN: 0038-0938
Subject Category
Solar Physics
Accession Number
83A47698
Distribution Limits
Public
Copyright
Other

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