理論セミナー

日時: 2006-10-03 11:00 - 12:00
場所: 研究本館2階220室
会議名: Limit on the neutrino mass from WMAP
連絡先: 津田
講演者: 市川 和秀  (宇宙線研)
講演言語: 日本語
アブストラクト: Abstract: After briefly reviewing the WMAP 3-year results, I discuss the WMAP constraint on the neutrino mass. Assuming the flat LCDM model with power-law adiabatic perturbations, we find the sum of m_nu < 2.0 eV from WMAP data alone, without the aid of any other cosmological data. This result, the limit being nearly the same as that from the WMAP first-year data, means that the fundamental limit on the neutrino mass obtainable from the (unlensed) cosmic microwave background alone is already nearly met, as anticipated from the previous analysis.

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