ANALYSIS OF LARGE-SCALE ANISOTROPY OF ULTRA-HIGH ENERGY COSMIC RAYS IN HiRes DATA
The High Resolution Fly’s Eye Collaboration
刊名ASTROPHYSICAL JOURNAL LETTERS
2010
卷号713期号:1页码:L64-L68
关键词ACTIVE GALACTIC NUCLEI ARRIVAL DIRECTIONS FLYS EYE SPECTRUM OBJECTS
学科分类Astronomy & Astrophysics
DOI10.1088/2041-8205/713/1/L64
通讯作者Abbasi, RU (reprint author), Univ Utah, Dept Phys, Salt Lake City, UT 84112 USA.
英文摘要Stereo data collected by the HiRes experiment over a six-year period are examined for large-scale anisotropy related to the inhomogeneous distribution of matter in the nearby universe. We consider the generic case of small cosmic-ray deflections and a large number of sources tracing the matter distribution. In this matter tracer model the expected cosmic-ray flux depends essentially on a single free parameter, the typical deflection angle theta(s). We find that the HiRes data with threshold energies of 40 EeV and 57 EeV are incompatible with the matter tracer model at a 95% confidence level unless theta(s) > 10 degrees and are compatible with an isotropic flux. The data set above 10 EeV is compatible with both the matter tracer model and an isotropic flux.
类目[WOS]Astronomy & Astrophysics
收录类别SCI
语种英语
WOS记录号WOS:000276594900014
引用统计
被引频次:33[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/311005/212938
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
作者单位中国科学院高能物理研究所
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The High Resolution Fly’s Eye Collaboration. ANALYSIS OF LARGE-SCALE ANISOTROPY OF ULTRA-HIGH ENERGY COSMIC RAYS IN HiRes DATA[J]. ASTROPHYSICAL JOURNAL LETTERS,2010,713(1):L64-L68.
APA The High Resolution Fly’s Eye Collaboration.(2010).ANALYSIS OF LARGE-SCALE ANISOTROPY OF ULTRA-HIGH ENERGY COSMIC RAYS IN HiRes DATA.ASTROPHYSICAL JOURNAL LETTERS,713(1),L64-L68.
MLA The High Resolution Fly’s Eye Collaboration."ANALYSIS OF LARGE-SCALE ANISOTROPY OF ULTRA-HIGH ENERGY COSMIC RAYS IN HiRes DATA".ASTROPHYSICAL JOURNAL LETTERS 713.1(2010):L64-L68.
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