Cosmic Rays and the Interplanetary Magnetic Field

宇宙射线和行星际磁场

• 批准号: 9014806
• 负责人: John Bieber
• 金额: $ 54.01万
• 依托单位: Bartol Research Institute
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-08-15 至 1994-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9014806&HistoricalAwards=false
• 关键词: Cosmic; Rays; Interplanetary; Magnetic; Field

A broad-based program of theoretical and observational research on cosmic rays and their interaction with the magnetic fields of the sun and the solar wind is proposed. Included will be the continued operation of the Thule and Newark neutron monitoring stations through 1993, including development of new electronic units for the detectors. Specific tasks will include: (1) detailed analysis of solar particle events occurring during the present solar cycle, with special emphasis placed on understanding the remarkable fine structure observed in 1989. (2) sunspot cycle (11 year) and magnetic cycle (22 year) variations of the cosmic ray diurnal radial gradient. (3) sunspot cycle and solar magnetic cycle variation of the cosmic ray north-south anisotropy and radial gradient. (4) long-term variations and north-south asymmetries of the sun and solar wind. (5) the three-dimensional structure of interplanetary magnetic turbulence, as revealed in cosmic ray measurements. (6) magnetic helicity effects in cosmic ray transport. (7) particle scattering near 90 degrees pitch angle during dissipative, dynamic turbulence. ***

一个基础广泛的理论和观测计划 宇宙射线及其与磁场相互作用的研究 太阳和太阳风的能量。 包括将 是图勒和纽瓦克核反应堆的继续运行 1993年以前的监测站，包括发展新的 探测器的电子装置。 具体任务将包括： (1)详细分析了发生在 目前的太阳周期，特别强调 了解1989年观察到的非凡精细结构。 (2)太阳黑子周期（11年）和磁周期（22年） 宇宙线日径向梯度的变化。 (3)太阳黑子周期和太阳磁周期的变化 宇宙线南北各向异性和径向梯度。 (4)太阳的长期变化和南北不对称 太阳风。 (5)行星际磁场的三维结构 湍流，正如宇宙射线测量所揭示的。 (6)宇宙线传输中的磁螺旋效应。 (7)在90度俯仰角附近的颗粒散射 耗散的动态湍流 ***