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RELATIVE COMPOSITION AND ENERGY SPECTRA OF LIGHT NUCLEI IN COSMIC RAYS: RESULTS FROM AMS-01
AMS-01 Collaboration
2010
发表期刊ASTROPHYSICAL JOURNAL
卷号724期号:1页码:#REF!
通讯作者Aguilar, M (reprint author), CIEMAT, Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain.
文章类型Article
摘要Measurement of the chemical and isotopic composition of cosmic rays is essential for the precise understanding of their propagation in the galaxy. While the model parameters are mainly determined using the B/C ratio, the study of extended sets of ratios can provide stronger constraints on the propagation models. In this paper, the relative abundances of light-nuclei lithium, beryllium, boron, and carbon are presented. The secondary-to-primary ratios Li/C, Be/C, and B/C have been measured in the kinetic energy range 0.35-45 GeV nucleon(-1). The isotopic ratio Li-7/Li-6 is also determined in the magnetic rigidity interval 2.5-6.3 GV. The secondary-to-secondary ratios Li/Be, Li/B, and Be/B are also reported. These measurements are based on the data collected by the Alpha Magnetic Spectrometer AMS-01 during the STS-91 space shuttle flight in 1998 June. Our experimental results are in substantial agreement with other measurements, where they exist. We describe our light-nuclei data with a diffusive-reacceleration model. A 10%-15% overproduction of Be is found in the model predictions and can be attributed to uncertainties in the production cross-section data.
关键词acceleration of particles cosmic rays nuclear reactions, nucleosynthesis, abundances space vehicles
学科领域Astronomy & Astrophysics
DOI10.1088/0004-637X/724/1/329
收录类别SCI
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000284096900029
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被引频次:30[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/311005/227550
专题粒子天体物理中心
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AMS-01 Collaboration. RELATIVE COMPOSITION AND ENERGY SPECTRA OF LIGHT NUCLEI IN COSMIC RAYS: RESULTS FROM AMS-01[J]. ASTROPHYSICAL JOURNAL,2010,724(1):#REF!.
APA AMS-01 Collaboration.(2010).RELATIVE COMPOSITION AND ENERGY SPECTRA OF LIGHT NUCLEI IN COSMIC RAYS: RESULTS FROM AMS-01.ASTROPHYSICAL JOURNAL,724(1),#REF!.
MLA AMS-01 Collaboration."RELATIVE COMPOSITION AND ENERGY SPECTRA OF LIGHT NUCLEI IN COSMIC RAYS: RESULTS FROM AMS-01".ASTROPHYSICAL JOURNAL 724.1(2010):#REF!.
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