课题基金 / 基金详情

Interactions, Radiation and Acceleration of Energetic Particles in Solar Flares

Interactions, Radiation and Acceleration of Energetic Particles in Solar Flares
太阳耀斑中高能粒子的相互作用、辐射和加速
批准号:
9011628
负责人:
Vahe Petrosian
金额:
$24.55万
依托单位:
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
项目状态:
已结题
起止时间:
1990-07-01 至 1993-12-31

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中文摘要
翻译
拟议研究的主要目的是确定太阳耀斑期间粒子,特别是电子的加速需求,这是一个尚未解决的问题。将对加速粒子与周围等离子体的相互作用进行理论研究,包括与粒子、波和大尺度磁场的相互作用。与X射线、伽马射线、微波和III型辐射等观测到的脉冲相位辐射进行比较,用来约束模型和确定加速粒子的特性。将在下一次太阳活动高峰期间与新旧观测结果进行比较,目的是获得更真实的模型,并进一步研究加速过程。这项研究的结果应直接应用于其他科学研究领域,包括日地关系、磁层物理、恒星耀斑、伽马射线爆发和星系核活动。
英文摘要
The primary purpose of the proposed research is the determination of the requirement for acceleration of particles, especially electrons during solar flares, which is as yet an unsolved problem. Theoretical studies will be made of the interaction of accelerated particles with ambient plasma including interactions with particles, waves, and large scale magnetic fields. Comparison with observed impulsive phase radiation such as X-rays, gamma rays, microwaves and type III radiation is used for constraining the models and for determination of the characteristics of the accelerated particles. Comparison will be made with both old and new observations as they become available during the next solar maximum, with the goal of obtaining more realistic models and furthering investigation of the acceleration process. Results from this research should have direct application to other areas of scientific research including solar terrestrial relations, magnetospheric physics, stellar flares, gamma ray bursts and activity in galactic nuclei.
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Collaborative Research: SHINE--Stochastic Particle Acceleration by Turbulence in Solar Flares
  • 批准号:
    0648750
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $31.56万
  • 财政年份:
    2007
  • 负责人:
    Vahe Petrosian
  • 依托单位:
22nd Texas Symposium on Relativistic Astrophysics at Stanford University; December 13-17, 2004; Palo Alto, CA
  • 批准号:
    0439816
  • 项目类别:
    Standard Grant
  • 资助金额:
    $2.0万
  • 财政年份:
    2004
  • 负责人:
    Vahe Petrosian
  • 依托单位:
Collaborative Research: Turbulence and Particle Acceleration in Solar Flares
  • 批准号:
    0312344
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $28.01万
  • 财政年份:
    2003
  • 负责人:
    Vahe Petrosian
  • 依托单位:
Electron Acceleration in Solar Flares and the Role of Plasma Turbulence
  • 批准号:
    9613676
  • 项目类别:
    Standard Grant
  • 资助金额:
    $3.77万
  • 财政年份:
    1997
  • 负责人:
    Vahe Petrosian
  • 依托单位:
海外基金