Observations of anomalous cosmic rays at 1 AU

被引：0

作者：

Leske, RA ^{[1
]}

Mewaldt, RA ^{[1
]}

Christian, ER ^{[1
]}

Cohen, CMS ^{[1
]}

Cummings, AC ^{[1
]}

Slocum, PL ^{[1
]}

Stone, EC ^{[1
]}

von Rosenvinge, TT ^{[1
]}

Wiedenbeck, ME ^{[1
]}

机构：

[1] CALTECH, Pasadena, CA 91125 USA

来源：

ACCELERATION AND TRANSPORT OF ENERGETIC PARTICLES OBSERVED IN THE HELIOSPHERE | 2000年 / 528卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Anomalous cosmic rays (ACRs) provide a sensitive probe of the access of energetic particles to the inner heliosphere. varying in intensity by more than two orders of magnitude during the course of the solar cycle. New data which are becoming available from the Advanced Composition Explorer (ACE) can provide a detailed record of ACR intensity and spectral changes on short (similar to 1 day) time scales during the approach to solar maximum, which will help address issues of ACR modulation and transport. The elemental and isotopic composition of ACRs provides important information on the source or sources of these particles, while their ionic charge state composition and its energy dependence serves as a diagnostic of their acceleration time scale. We review measurements of the ACR elemental, isotopic, and charge state composition and spectra as determined at 1 AU by SAMPEX, ACE, Wind, and other spacecraft. These results are important input to models of the acceleration, modulation, and transport of ACRs.

引用

页码：293 / 300

页数：8

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