COSMIC-RAY MODULATION BY EXPANDING, HIGH-LATITUDE STREAMS

被引：11
|
作者：
QUENBY, JJ
DROLIAS, B
KEPPLER, E
REUSS, MK
BLAKE, JB
机构：
[1] MAX PLANCK INST,INST AERONOM,D-37189 KATLENBURG LINDAU,GERMANY
[2] AEROSP CORP,LOS ANGELES,CA
来源：
GEOPHYSICAL RESEARCH LETTERS | 1995年 / 22卷 / 23期
关键词：
D O I：
10.1029/95GL03543
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
As 'Ulysses' moved to latitudes above 45 degrees, the regular, recurring series of mid-latitude high-speed streams is no longer observed out to 4 AU. However, the associated, near-relativistic particle modulation persists to at least 70 degrees. We explain this remote shadowing as due to the spread in latitude of the fast streams beyond the 'Ulysses' trajectory and show that an estimate of the particle diffusion coefficient within the stream, based on magnetometer data, yields sufficient modulation to make the model plausible.
引用
收藏
页码：3345 / 3348
页数：4
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