Cosmic ray electron to positron ratios in the heliosphere

被引：6
|
作者：
Potgieter, MS [1 ]
Langner, UW [1 ]
Ferreira, SES [1 ]
机构：
[1] Potchefstroom Univ Christian Higher Educ, Unit Space Phys, Sch Phys, ZA-2520 Potchefstroom, South Africa
来源：
GALACTIC AND ANOMALOUS COSMIC RAYS IN THE HELIOSPHERE: THE CYCLE 22 SOLAR MINIMUM AND THE ONSET OF CYCLE 23 | 2001年 / 27卷 / 03期
关键词：
D O I：
10.1016/S0273-1177(01)00101-6
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The heliospheric modulation of cosmic rays disguises the true spectral form of the local interstellar spectra for all cosmic ray species below similar to 10 GeV. The lower the energy, the more uncertain they seem to become which is especially true for cosmic ray electrons. Recent modeling of the propagation of cosmic rays through the Galaxy gives the interstellar spectrum for positrons more reliably than before. Using this information, and recent computations of the electron interstellar spectra, the electron to positron ratios are computed with a comprehensive numerical shock-drift modulation model for a simulated heliosphere. These results can be of use for future missions to the outer heliosphere and beyond, and may assist in establishing the local interstellar spectra more accurately for cosmic ray electrons and positrons. (C) 2001 COSPAR, Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：523 / 528
页数：6
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