NASA Logo, External Link
Facebook icon, External Link to NASA STI page on Facebook Twitter icon, External Link to NASA STI on Twitter YouTube icon, External Link to NASA STI Channel on YouTube RSS icon, External Link to New NASA STI RSS Feed AddThis share icon
 

Record Details

Record 99 of 5996
Energy spectra in relativistic electron precipitation events.
External Online Source: doi:10.1016/0021-9169(72)90179-1
Author and Affiliation:
Rosenberg, T. J.(Maryland, University, College Park, Md., United States)
Lanzerotti, L. J.(Bell Telephone Laboratories, Inc., Murray Hill, N.J., United States)
Bailey, D. K.(NOAA, Space Environment Laboratory, Boulder, Colo., United States)
Pierson, J. D.(Texas State Technical Institute, Waco, Tex., United States)
Abstract: Two events in August 1967, categorized as relativistic electron precipitation (REP) events by their effect on VHF transmissions propagated via the forward-scatter mode, have been examined with regard to the energy spectra of trapped and precipitated electrons. These two substorm-associated events August 11 and August 25 differ with respect to the relativistic, trapped electron population at synchronous altitude; in the August 25 event there was a nonadiabatic enhancement of relativistic (greater than 400 keV) electrons, while in the August 11 event no relativistic electrons were produced. In both events electron spectra deduced from bremsstrahlung measurements (made on a field line close to that of the satellite) had approximately the same e-folding energies as the trapped electron enhancements. However, the spectrum of electrons in the August 25 event was significantly harder than the spectrum in the event of August 11.
Publication Date: Dec 01, 1972
Document ID:
19730029789
(Acquired Dec 04, 1995)
Accession Number: 73A14591
Subject Category: GEOPHYSICS
Document Type: Journal Article
Publication Information: Journal of Atmospheric and Terrestrial Physics; 34; Dec. 197
Publisher Information: United Kingdom
Contract/Grant/Task Num: NSG-673; NGR-21-002-308
Financial Sponsor: NASA; United States
Description: 14p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: ELECTRON ENERGY; ELECTRON PRECIPITATION; ENERGY SPECTRA; HIGH ENERGY ELECTRONS; RELATIVISTIC PARTICLES; TRAPPED PARTICLES; ATMOSPHERIC ATTENUATION; AURORAL ABSORPTION; BREMSSTRAHLUNG; X RAYS
Imprint And Other Notes: Journal of Atmospheric and Terrestrial Physics, vol. 34, Dec. 1972, p. 1977-1990.
Miscellaneous Notes: p. 1977-1990
Availability Source: Other Sources
› Back to Top
Find Similar Records
NASA Logo, External Link
NASA Official: Gerald Steeman
Site Curator: STI Program
Last Modified: August 12, 2011
Contact Us