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Comparison of distance information given by SN Ia, BAO and CMB
Li H(李虹); Li, H
2011
发表期刊PHYSICS LETTERS B
卷号697期号:3页码:#REF!
通讯作者Li, H (reprint author), Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100049, Peoples R China.
摘要The observations of Type la supernovae (SN Ia), Baryon Acoustic Oscillations (BAO) and Cosmic Microwave Background radiation (CMB) provide powerful tools for the measurement of cosmological parameters. One of the most useful information encodes in the distance measured by those probes. In this Letter, we test the coherence of the observational information provided by SN Ia, BAO and CMB experiments. We make two kinds of comparison: the first is the constraints on cosmological parameters of the equation of state parameter (EoS) of dark energy (DE) and matter budget parameter Omega(m) from the latest data by global fitting, and we find the large discrepancy from those different probes. The second comparison is performed among the derived distance information from these observations at certain appointed redshift, the results show that the distance provided by WMAP5 are larger than those from SN Ia and BAO on the whole. (C) 2011 Elsevier B.V. All rights reserved.
文章类型Article
关键词Cosmological parameters Distance information
学科领域Physics
DOI10.1016/j.physletb.2011.01.060
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000288041900001
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226678
专题理论物理室
粒子天体物理中心
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Li H,Li, H. Comparison of distance information given by SN Ia, BAO and CMB[J]. PHYSICS LETTERS B,2011,697(3):#REF!.
APA 李虹,&Li, H.(2011).Comparison of distance information given by SN Ia, BAO and CMB.PHYSICS LETTERS B,697(3),#REF!.
MLA 李虹,et al."Comparison of distance information given by SN Ia, BAO and CMB".PHYSICS LETTERS B 697.3(2011):#REF!.
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