Solar Flares and Solar High Energy Particles

Zhang Li; Dai Benzhong; Mu Jun

Chinese Physics C> 1996, Vol. 20> Issue(10) : 877-884

Solar Flares and Solar High Energy Particles

Physics Department,University of Yunnan, Kunming 650091

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Abstract：
Generally,the solar high energy particles in the flares are believed to be accelerated in two stages:acceleration by abrupt release of magnetic energy in the first stage and coronal diffusive shock wave or stochastic acceleration in the second stage.In this paper,we consider the diffusive shock wave acceleration in gradual solar flare associated with fast coronal shock wave. The results indicate:(1) the characteristics of the particle distribution with time depends on the momentum and with the incresing of transition time,the distribution increases to maximum quickly and turns to decrease them the higher energy,the more time of moving to maximum;(2)the corresponding time integral spectrum is proportional to the power of the particle momentum.The possibility of accelerating particles to high energy range is also discussed.

References

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Zhang Li, Dai Benzhong and Mu Jun. Solar Flares and Solar High Energy Particles[J]. Chinese Physics C, 1996, 20(10): 877-884.

Zhang Li, Dai Benzhong and Mu Jun. Solar Flares and Solar High Energy Particles[J]. Chinese Physics C, 1996, 20(10): 877-884. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Solar Flares and Solar High Energy Particles

Corresponding author: Zhang Li,

Physics Department,University of Yunnan, Kunming 650091

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-10-05

Abstract: Generally,the solar high energy particles in the flares are believed to be accelerated in two stages:acceleration by abrupt release of magnetic energy in the first stage and coronal diffusive shock wave or stochastic acceleration in the second stage.In this paper,we consider the diffusive shock wave acceleration in gradual solar flare associated with fast coronal shock wave. The results indicate:(1) the characteristics of the particle distribution with time depends on the momentum and with the incresing of transition time,the distribution increases to maximum quickly and turns to decrease them the higher energy,the more time of moving to maximum;(2)the corresponding time integral spectrum is proportional to the power of the particle momentum.The possibility of accelerating particles to high energy range is also discussed.