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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.; Huang, QG (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China.
Constraints on the neutrino mass and mass hierarchy from cosmological observations
Source PublicationEUROPEAN PHYSICAL JOURNAL C
Language英语
AbstractConsidering 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
Volume76Issue:9Pages:489
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1140/epjc/s10052-016-4334-z
Indexed BySCI
Funding OrganizationTop-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]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21538
CollectionSCI期刊论文
计算平台成果
Corresponding AuthorHuang, QG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Huang, QG (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China.
Recommended Citation
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 ,&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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