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Cosmological constraint on "neutrino mass" from CMB anisotropies with primordial magnetic field

  • The University of Tokyo
  • National Astronomical Observatory of Japan

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

It is one of the biggest challenge in particle physics and cosmology to determine the mass of neutrinos. Current neutrinoless double beta decay experiment show that the total neutrino mass is smaller than 1-6 eV. In recent years, precise CMB data make it possible to constrain neutrino masses cosmologically. It says that the total neutrino mass is smaller than 2 eV in standard ΛCDM model.1 But if there are other physical processes which affects the CMB anisotropies, such constraint may be changed. A primordial magnetic field (PMF) is one of such physical processes. In this work, we con- strain the total neutrino mass from CMB anisotropies with the PMF effect.

源语言英语
主期刊名Proceedings of the 6th International Heidelberg Conference on Dark Matter in Astroparticle and Particle Physics, Dark 2007
出版商World Scientific Publishing Co. Pte Ltd
510-513
页数4
ISBN(印刷版)9812814345, 9789812814340
DOI
出版状态已出版 - 2008
已对外发布
活动6th International Heidelberg Conference on Dark Matter in Astro and Particle Physics, Dark 2007 - Sydney, NSW, 澳大利亚
期限: 24 9月 200728 9月 2007

出版系列

姓名Proceedings of the 6th International Heidelberg Conference on Dark Matter in Astroparticle and Particle Physics, Dark 2007

会议

会议6th International Heidelberg Conference on Dark Matter in Astro and Particle Physics, Dark 2007
国家/地区澳大利亚
Sydney, NSW
时期24/09/0728/09/07

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