OBSERVATIONS OF ENERGETIC PARTICLES BETWEEN A PAIR OF COROTATING INTERACTION REGIONS

	OBSERVATIONS OF ENERGETIC PARTICLES BETWEEN A PAIR OF COROTATING INTERACTION REGIONS
	Wu, Z.; Chen, Y.; Li, G.; Zhao, L. L.; Ebert, R. W.; Desai, M. I.; Mason, G. M.; Lavraud, B.; Zhao, L.; Liu, Y. C. -M.
刊名	ASTROPHYSICAL JOURNAL
	2014
卷号	781 期号:1 页码:17
关键词	acceleration of particles magnetohydrodynamics (MHD) shock waves solar wind Sun: rotation
ISSN号	0004-637X
通讯作者	Wu, Z (reprint author), Shandong Univ Weihai, Inst Space Sci, Weihai 264209, Peoples R China.
英文摘要	We report observations of the acceleration and trapping of energetic ions and electrons between a pair of corotating interaction regions (CIRs). The event occurred in Carrington Rotation 2060. Observed by the STEREO-B spacecraft, the two CIRs were separated by less than 5 days. In contrast to other CIR events, the fluxes of the energetic ions and electrons in this event reached their maxima between the trailing edge of the first CIR and the leading edge of the second CIR. The radial magnetic field (B-r) reversed its sense and the anisotropy of the flux also changed from Sunward to anti-Sunward between the two CIRs. Furthermore, there was an extended period of counterstreaming suprathermal electrons between the two CIRs. Similar observations for this event were also obtained with the Advanced Composition Explorer and STEREO-A. We conjecture that these observations were due to a U-shaped, large-scale magnetic field topology connecting the reverse shock of the first CIR and the forward shock of the second CIR. Such a disconnected U-shaped magnetic field topology may have formed due to magnetic reconnection in the upper corona.
学科主题	空间物理
收录类别	SCI
语种	英语
内容类型	期刊论文
源URL	[http://ir.nssc.ac.cn/handle/122/2768]
专题	国家空间科学中心_空间科学部
推荐引用方式 GB/T 7714	Wu, Z.,Chen, Y.,Li, G.,et al. OBSERVATIONS OF ENERGETIC PARTICLES BETWEEN A PAIR OF COROTATING INTERACTION REGIONS[J]. ASTROPHYSICAL JOURNAL,2014,781(1):17.
APA	Wu, Z..,Chen, Y..,Li, G..,Zhao, L. L..,Ebert, R. W..,...&Sauvaud, J..(2014).OBSERVATIONS OF ENERGETIC PARTICLES BETWEEN A PAIR OF COROTATING INTERACTION REGIONS.ASTROPHYSICAL JOURNAL,781(1),17.
MLA	Wu, Z.,et al."OBSERVATIONS OF ENERGETIC PARTICLES BETWEEN A PAIR OF COROTATING INTERACTION REGIONS".ASTROPHYSICAL JOURNAL 781.1(2014):17.