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Cosmic Ray Anisotropies and Density Gradients in Interplanetary Space at High Rigidities

高刚性行星际空间中的宇宙射线各向异性和密度梯度

基本信息

批准号：
8910840
负责人：
Derek Swinson
金额：
$ 8.46万
依托单位：
University of New Mexico
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1989
资助国家：
美国
起止时间：
1989-08-01 至 1992-01-31
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=8910840&HistoricalAwards=false
关键词：
Cosmic Ray Anisotropies Density Gradients

项目摘要

This proposal is for the continuation of a study of the long term properties of cosmic ray anisotropies in interplanetary space surrounding the earth, with emphasis on the information that can be extracted from these data regarding the properties and long term variations of cosmic ray density gradients in the inner heliosphere. This work is expected to yield important information on the three-dimensional magnetic and cosmic ray profile near the earth, and its dependence on activity on the sun. It will permit studies of how the cosmic ray gradients near the earth are influenced by asymmetry of solar activity on the two solar activity hemispheres, and the way in which the dependence changes over the 11-year solar activity cycle and the 22-year solar cycle. Using data from inclined and vertical muon telescopes as well as data from other underground telescopes, it will be possible to observe these effects over a wide range of terrestrial latitudes over the period of 1965 to the present, and examine any dependence on heliospheric polarity and solar magnetic field reversal. This will allow a study of the continuing evolution of the heliospheric magnetic field and its influence on high rigidity galactic cosmic radiation in the inner heliosphere. Support is provided for continued data acquisition, reduction and interpretation, and for continued operation of currently operating large underground multi-directional muon telescope recorders at Embudo Cave and Socorro, New Mexico.

这项建议是为了继续研究长期的行星际宇宙线各向异性项性质地球周围的空间，重点是信息可以从这些数据中提取出和宇宙射线密度梯度的长期变化内日球层这项工作预计将产生重要的成果，三维磁场和宇宙射线的信息地球附近的轮廓，以及它对地球上活动的依赖太阳它将允许研究宇宙射线如何在地球受到太阳活动不对称的影响，两个太阳活动半球，以及 11年太阳活动周期的依赖性变化， 22-年太阳周期。使用倾斜和垂直μ介子的数据望远镜以及其他地下望远镜的数据，将有可能在广泛的范围内观察到这些影响， 1965年至今的地球纬度，以及研究日光层极性和太阳能磁场反转这将有助于研究日光层磁场的持续演变及其对高刚性银河宇宙辐射的影响日光层为持续的数据采集提供支持，减少和解释，并继续运作目前正在运行的大型地下多向μ介子望远镜记录仪在Embudo洞穴和索科罗，新墨西哥州。