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Reexamination of cosmic-ray composition around 10(18) eV from Fly's Eye data
Ding LK(丁林恺); Jing CL(经才骝); Jing GR(荆贵茹); Ren JL(任江龙); Zhu QQ(朱清棋); Ding, LK; Jing, CL; Jing, GR; Ren, JL; Zhu, QQ; Dai, HY; Loh, EC; Sokolsky, P; Sommers, P; Tang, JKK
1997
发表期刊ASTROPHYSICAL JOURNAL
卷号474期号:1页码:490-495
通讯作者UNIV UTAH,INST HIGH ENERGY ASTROPHYS,SALT LAKE CITY,UT 84112
文章类型Article
摘要The cosmic-ray composition around 10(18) eV is reexamined using the Chou-Yang model for the simulation of air showers and comparing with Fly's Eye data. This model is quite different from models previously used. Using this model leads to the same conclusion that the primary cosmic-ray composition gets lighter in the region from 3 x 10(17) eV to 10(19) eV. This conclusion of a changing composition is not sensitive to the choice of model because it results from the measured elongation rate being greater than that predicted for a constant composition by any reasonable model that can account for the measured depths of shower maxima at the Fly's Eye threshold energy. That constraint on elongation rate for a constant composition also implies that the increased rate of energy dissipation that appears in hadron-nucleus interactions near 10(14) eV may continue up to the region of 10(19) eV.
关键词cosmic rays instrumentation, detectors
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
DOI10.1086/303453
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:A1997WA68200039
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被引频次:12[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/311005/237698
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Ding LK,Jing CL,Jing GR,et al. Reexamination of cosmic-ray composition around 10(18) eV from Fly's Eye data[J]. ASTROPHYSICAL JOURNAL,1997,474(1):490-495.
APA 丁林恺.,经才骝.,荆贵茹.,任江龙.,朱清棋.,...&Tang, JKK.(1997).Reexamination of cosmic-ray composition around 10(18) eV from Fly's Eye data.ASTROPHYSICAL JOURNAL,474(1),490-495.
MLA 丁林恺,et al."Reexamination of cosmic-ray composition around 10(18) eV from Fly's Eye data".ASTROPHYSICAL JOURNAL 474.1(1997):490-495.
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