NAOC Open IR
acomparativeanalysisontwosolarprotonevents
LE GuiMing1; HAN YanBen2; ZHANG YiJun3
2007
Source Publicationchinesesciencebulletin
ISSN1001-6538
Volume52Issue:1Pages:47
AbstractThis paper presents a comparative analysis on the two Solar Proton Events (SPE), which occurred on 14 July 2000 (Bastille Day) and 28 October 2003 (280CT03) respectively. It is found that although the peak flux of the latter seemed to be greater than that of the former based on geostationary observations, the maximum intensities of the energetic protons (> 10 MeV and 30 MeV) during the Bastille Day event were all higher than those of the 280CT03 event according to the interplanetary observations. Further analysis indicated that the quantity of the seed particles, which could be accelerated to the energies exceeding 10 and 30 MeV by the Coronal Mass Ejection (CME)-driven shock on 14 July 2000, was far larger than that of the 28OCT03 event. In the Bastille Day case, when the CME approached to the height around 14 R circle dot, the CME-driven shock would reach its maximum capacity in accelerating the solar energetic protons (> 100 MeV). In contrast, on 28 October 2003, when CM E approached to the height about 58R circle dot, the CME-driven shock reached its highest potential in accelerating the solar energetic protons of the same category. At this moment, the peak flux (> 100 MeV) was about 155 pfu, which was much lower than 355 pfu measured on 14 July 2000. This demonstrated that in the Bastille Day event, the quantity of the seed particles, which could be accelerated to the energy beyond 100 MeV, was significantly larger than its counterpart in the 28OCT03 case. Therefore, the peak flux of an SIDE event depends not only on the interplanetary intensity of the solar energetic particles, but also on the velocity of the associated CME-driven shock, and the quantity of the seed particles as well as on the interplanetary magnetic environment. This paper also reveals that the magnetic sheath associated with ICME on 28 October 2003 captured a large number of solar energetic protons, including those having energy greater than 100 MeV.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/53866
Collection中国科学院国家天文台
Affiliation1.China Meteorological Administration
2.中国科学院国家天文台
3.Chinese Academy of Meteorological Sciences, China Meteorological Administration
Recommended Citation
GB/T 7714
LE GuiMing,HAN YanBen,ZHANG YiJun. acomparativeanalysisontwosolarprotonevents[J]. chinesesciencebulletin,2007,52(1):47.
APA LE GuiMing,HAN YanBen,&ZHANG YiJun.(2007).acomparativeanalysisontwosolarprotonevents.chinesesciencebulletin,52(1),47.
MLA LE GuiMing,et al."acomparativeanalysisontwosolarprotonevents".chinesesciencebulletin 52.1(2007):47.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[LE GuiMing]'s Articles
[HAN YanBen]'s Articles
[ZHANG YiJun]'s Articles
Baidu academic
Similar articles in Baidu academic
[LE GuiMing]'s Articles
[HAN YanBen]'s Articles
[ZHANG YiJun]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[LE GuiMing]'s Articles
[HAN YanBen]'s Articles
[ZHANG YiJun]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.