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GMF model dependence of correlations between BL Lacs and ultra high energy cosmic rays
Cao Z(曹臻); Cao, Z; Dai, BZ; Yang, JP; Zhang, L
2007
发表期刊ASTROPARTICLE PHYSICS
卷号28期号:1页码:#REF!
通讯作者Cao, Z (reprint author), Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 10039, Peoples R China.
摘要Some studies suggested that there exists a correlation between locations of BL Lacertae objects (BL Lacs) and arrival directions of ultra high energy cosmic rays (UHECRs). Especially by assuming the primary particles charged +1 and using a galactic magnetic field (GMF) model to calculate deflections of the UHECRs, the significance of correlation can be improved. A new GMF model is constructed by incorporating all progresses in the GMF measurements in recent years and use it to a thorough study of the deflections of the UHECRs measured by the AGASA experiment. Compared with other models, the GFM model dependence of the correlation between the LTHECRs and the selected BL Lacs is studied. It turns out that only specific one of those GMF models makes the correlation significant, even if the GMF models are not very different. The UHECR deflections are also different depending on which GMF model is used. It indicates that the significance of the correlation, suggested in those studies, is strongly depending on GMF models. Great improvement in statistics may help to suppress the sensitivity to GMF models. (C) 2007 Elsevier B.V. All rights reserved.
文章类型Article
关键词ultrahigh energy cosmic rays BL lacertae objects magnetic field
学科领域Astronomy & Astrophysics; Physics
DOI10.1016/j.astropartphys.2007.04.008
收录类别SCI
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000250355200007
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226014
专题粒子天体物理中心
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GB/T 7714
Cao Z,Cao, Z,Dai, BZ,et al. GMF model dependence of correlations between BL Lacs and ultra high energy cosmic rays[J]. ASTROPARTICLE PHYSICS,2007,28(1):#REF!.
APA 曹臻,Cao, Z,Dai, BZ,Yang, JP,&Zhang, L.(2007).GMF model dependence of correlations between BL Lacs and ultra high energy cosmic rays.ASTROPARTICLE PHYSICS,28(1),#REF!.
MLA 曹臻,et al."GMF model dependence of correlations between BL Lacs and ultra high energy cosmic rays".ASTROPARTICLE PHYSICS 28.1(2007):#REF!.
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