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题名: Testing the effects from dark radiation
作者: Zhang, Y ;  Gong, YG
刊名: CLASSICAL AND QUANTUM GRAVITY
出版日期: 2013
卷号: 30, 期号:15, 页码:155017
关键词: PROBE WMAP OBSERVATIONS ;  BARYON ACOUSTIC-OSCILLATIONS ;  HUBBLE-SPACE-TELESCOPE ;  SOUTH-POLE TELESCOPE ;  HIGH-REDSHIFT SUPERNOVAE ;  DIGITAL SKY SURVEY ;  COSMOLOGICAL PARAMETERS ;  LEGACY SURVEY ;  CONSTRAINTS ;  CONSTANT
学科分类: Physics
通讯作者: Zhang, Y (reprint author), Chongqing Inst Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China.
部门归属: [Zhang, Yi] Chongqing Inst Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China; [Zhang, Yi] Argonne Natl Lab, Div High Energy Phys, Lemont, IL 60439 USA; [Zhang, Yi; Gong, Yungui] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Gong, Yungui] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China
英文摘要: In this paper, the effects of dark radiation (DR) are tested. Theoretically, the phase-space analysis method is applied to check whether the model is consist with the history of our universe which shows positive results. Observationally, by using the observational data (SuperNovae Legacy Survey (SNLS), Wilkinson Microwave Anisotropy Probe 9 Years Result (WMAP9), Planck First Data Release (PLANCK), baryon acoustic oscillations (BAO), Hubble parameter data (H(z)) and Big Bang nucleosynthesis (BBN)), the DR is found to have the effect of wiping out the tension between the SNLS data and the other data in a flat Lambda CDM model. The effects of DR also make the best fit value of N-eff slightly larger than 3.04.
资助者: Ministry of Science and Technology of China [2010CB833004]; National Natural Science Foundation of China [11175270, 11005164, 11073005, 10935013]; CQ CSTC [2010BB0408]; CQ MEC [KJTD201016]; U.S. Department of Energy [DE-AC02-06CH11357]; DOE [W-7405-ENG-36]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000321692600018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15297
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Zhang, Y,Gong, YG. Testing the effects from dark radiation[J]. CLASSICAL AND QUANTUM GRAVITY,2013,30(15):155017.
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