…Whether the mass of these neutrinos is completely zero or whether it has a very small but finite value is a major question that has not been solved to this day. In cosmology, the type and mass of neutrinos are also important issues in relation to helium synthesis, the energy release mechanism of stars, and the existence of missing mass. Elementary Particles [Hirotaka Sugawara]. … *Some of the terminology that refers to "missing mass" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これらの中性微子の質量が完全に0なのか,あるいはきわめて小さいが有限の値をもつのかは重大な問題で,現在に至るまで未解決の問題である。宇宙論的にもヘリウム合成や星のエネルギー放出機構,ミシングマスmissing massの存在などに関連して中性微子の種類や質量が問題になる。素粒子【菅原 寛孝】。… ※「missing mass」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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