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Huang, QG; Wang, K; Wang, S; Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Constraints on the neutrino mass and mass hierarchy from cosmological observations
发表期刊EUROPEAN PHYSICAL JOURNAL C
语种英语
摘要Considering the mass splitting between three active neutrinos, we represent the new constraints on the sum of neutrino mass Sigma m(nu) by updating the anisotropic analysis of the Baryon Acoustic Oscillation (BAO) scale in the CMASS and LOWZ galaxy samples from Data Release 12 of the SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS DR12). Combining the BAO data of 6dFGS, MGS, LOWZ and CMASS with Planck 2015 data of temperature anisotropy and polarizations of the Cosmic Microwave Background (CMB), we find that the 95 % C.L. upper bounds on Sigma m(nu) refer to Sigma m(nu, NH) < 0.18 eV for the normal hierarchy (NH), Sigma m(nu, IH) < 0.20 eV for the inverted hierarchy (IH) and Sigma m(nu, DH) < 0.15 eV for the degenerate hierarchy (DH), respectively, and the normal hierarchy is slightly preferred over the inverted one (Delta chi(2) chi(2)(NH) - chi(2)(IH) similar or equal to -3.4). In addition, the additional relativistic degrees of freedom and massive sterile neutrinos are neither favored at present.
2016
卷号76期号:9页码:489
合作性质国内
学科领域Physics
DOIhttp://dx.doi.org/10.1140/epjc/s10052-016-4334-z
收录类别SCI
项目资助者Top-Notch Young Talents Program of China ; Top-Notch Young Talents Program of China ; Top-Notch Young Talents Program of China ; Top-Notch Young Talents Program of China ; NSFC [11322545, 11335012, 11575271] ; NSFC [11322545, 11335012, 11575271] ; NSFC [11322545, 11335012, 11575271] ; NSFC [11322545, 11335012, 11575271] ; National Natural Science Foundations of China [11447613] ; National Natural Science Foundations of China [11447613] ; National Natural Science Foundations of China [11447613] ; National Natural Science Foundations of China [11447613]
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21232
专题计算平台成果
通讯作者Huang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Huang, QG,Wang, K,Wang, S,et al. Constraints on the neutrino mass and mass hierarchy from cosmological observations[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(9):489.
APA Huang, QG,Wang, K,Wang, S,&Huang, QG .(2016).Constraints on the neutrino mass and mass hierarchy from cosmological observations.EUROPEAN PHYSICAL JOURNAL C,76(9),489.
MLA Huang, QG,et al."Constraints on the neutrino mass and mass hierarchy from cosmological observations".EUROPEAN PHYSICAL JOURNAL C 76.9(2016):489.
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