Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
ENTRY OF GALACTIC ELECTRONS INTO THE HIGH-LATITUDE HELIOSPHERE
Autore:
SIMNETT GM; TAPPIN SJ; ROELOF EC;
Indirizzi:
UNIV BIRMINGHAM,DEPT PHYS & SPACE RES BIRMINGHAM B15 2TT W MIDLANDS ENGLAND JOHNS HOPKINS UNIV,APPL PHYS LAB LAUREL MD 20723
Titolo Testata:
Geophysical research letters
fascicolo: 23, volume: 22, anno: 1995,
pagine: 3341 - 3344
SICI:
0094-8276(1995)22:23<3341:EOGEIT>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
5
Recensione:
Indirizzi per estratti:
Citazione:
G.M. Simnett et al., "ENTRY OF GALACTIC ELECTRONS INTO THE HIGH-LATITUDE HELIOSPHERE", Geophysical research letters, 22(23), 1995, pp. 3341-3344

Abstract

Evidence is presented for the first detection of galactic cosmic ray electrons in the general energy range 1 to 20 MeV by the HI-SCALE instrument on Ulysses as it passed over the solar poles. The electrons manifest themselves by a strong latitude dependence of the background counting rates in the HI-SCALE detectors, in excess of that predicted from the COSPIN measurements. The majority of the detected electrons havepenetrated the housing around the detectors; the apparent spectrum ofthis excess is completely inconsistent with penetrating ions, whatever their spectrum. We have compared the inferred electron flux with an extrapolation of the cosmic ray electron spectrum measured in the ecliptic plane and inferred from radio astronomy at greater than or similar to 1 GeV and conclude that the galactic spectrum does not continue as a power law down to a few MeV.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/11/20 alle ore 20:21:38