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Type: Artigo de periódico
Title: Time Fluctuations Of Charged And Neutral Cosmic-ray Component Fluxes As Measured In The Region Of The Brazilian Magnetic Anomaly
Author: Bazilevskaya G.A.
Bui-Van N.A.
Kvashnin A.N.
Martin I.M.
Mizin S.V.
Podgorny A.I.
Stozhkov Yu.I.
Turtelli Jr. A.
Abstract: Measurements of charged particles, gamma emission and neutrons were fulfilled on balloon in the region of the Brazilian magnetic anomaly on 8 November 1991. The flight lasted approximately 18 hours, including 15 hours on the ceiling at the height of 32 km just during the beginning of the recovery phase of the moderate geomagnetic storm. The main conclusion from the analysis of the obtained experimental data is the following:a) the fluxes of charged and neutral particles were measured and are in agreement with the data of previous works for the close values of geomagnetic cut-off rigidity;b) no sporadic increases of charged- and neutral-particle fluxes were recorded;c) the pulsations of charged particles, gamma-rays and neutrons with characteristic time of ≈ 30 min were found. The sporadic pulsations of charged particles and gamma-rays with shorter periods were observed too. But later pulsations were absent in the neutron flux data. This points to the magnetospheric origin of the observed phenomenon. © 1994 Società Italiana di Fisica.
Editor: Kluwer Academic Publishers
Citation: Il Nuovo Cimento C. Kluwer Academic Publishers, v. 17, n. 2, p. 223 - 235, 1994.
Rights: fechado
Identifier DOI: 10.1007/BF02508588
Date Issue: 1994
Appears in Collections:Unicamp - Artigos e Outros Documentos

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