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Titolo:
ENERGIZATION OF IONS IN NEAR-EARTH CURRENT SHEET DISRUPTIONS
Autore:
TAKTAKISHVILI A; LOPEZ RE; GOODRICH CC;
Indirizzi:
RUSSIAN ACAD SCI,SPACE RES INST,PROFSOYUZNAYA 84-32 MOSCOW 117810 RUSSIA UNIV MARYLAND,DEPT ASTRON COLLEGE PK MD 20742 ABASTUMANI ASTROPHYS LAB TBILISI REP OF GEORGIA
Titolo Testata:
Geophysical research letters
fascicolo: 5, volume: 22, anno: 1995,
pagine: 627 - 630
SICI:
0094-8276(1995)22:5<627:EOIINC>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELECTRON BURSTS; MAGNETOTAIL; SUBSTORM; PROTON; FIELD;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
A. Taktakishvili et al., "ENERGIZATION OF IONS IN NEAR-EARTH CURRENT SHEET DISRUPTIONS", Geophysical research letters, 22(5), 1995, pp. 627-630

Abstract

In this study we examine observations made by AMPTE/CCE of energetic ion bursts during seven substorm periods when the satellite was located near the neutral sheet, and CCE observed the disruption cross-tail current in situ. We compare ion observations to analytic calculations of particle acceleration. We find that the acceleration region size, which we assume to be essentially the current disruption region, to be on the order of 1 R(E). Events exhibiting weak acceleration had either relatively small acceleration regions (apparently associated with pseudobreakup activity on the ground) or relatively small changes in the local magnetic field (suggesting that the magnitude of the local current disruption was limited). These results add additional support for the view that the particle bursts observed during turbulent current sheet disruptions are due to inductive acceleration of ions.

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Documento generato il 05/12/20 alle ore 13:58:53