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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Cowan–Reines neutrino experiment ： ウィキペディア英語版 Cowan–Reines neutrino experiment The Cowan–Reines neutrino experiment was performed by Clyde L. Cowan and Frederick Reines in 1956. This experiment confirmed the existence of the antineutrino—a neutrally charged subatomic particle with very low mass. ==Background== During the 1910s and 1920s, through the study of electron spectra from the nuclear beta decay, it became apparent that, in addition to an electron, another particle with very small mass and with no electric charge is emitted in the beta-decay but not observed. The observed electron energy spectrum was continuous. Assuming energy conservation, this is only possible if the beta decay is a three-body rather than a two-body decay: the latter produces monochromatic peak rather than a continuous energy spectrum. This and other reasons led Wolfgang Pauli to postulate the existence of the neutrino in 1930. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cowan–Reines neutrino experiment」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.