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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 Trimaximal mixing ： ウィキペディア英語版 Trimaximal mixing Trimaximal mixing〔 〕 (also known as threefold maximal mixing〔 〕) refers to the highly symmetric, maximally CP-violating, $3\; \backslash times\; 3$ fermion mixing configuration, characterised by a unitary matrix ($U$) having all its elements equal in modulus ($|U\_|=1/\backslash sqrt$, $a,i=1,2,3$) as may be written, e.g.: :$$ U= \begin \frac}} \Rightarrow (|U_|^2)= \begin \frac & \frac & \frac \\ \frac & \frac & \frac \\ \frac & \frac & \frac \end where $\backslash omega=\backslash exp(i2\backslash pi/3)$ and $\backslash bar=\backslash exp(-i2\backslash pi/3)$ are the complex cube roots of unity. In the standard PDG〔 〕 convention, trimaximal mixing corresponds to: $\backslash theta\_=\backslash theta\_=\backslash pi/4$, $\backslash theta\_=\backslash sin^(1/\backslash sqrt)$ and $\backslash delta=\backslash pi/2$. The Jarlskog $CP$-violating parameter $J$〔 〕 takes its extremal value $|J|=1/(6\backslash sqrt)$. Originally proposed as a candidate lepton mixing matrix,〔 〕〔 〕 and actively studied〔〔〔 〕〔 〕 as such (and even as a candidate quark mixing matrix〔 〕), trimaximal mixing is now definitively ruled-out as a phenomenologically viable lepton mixing scheme by neutrino oscillation experiments, especially the CHOOZ reactor experiment,〔 〕 in favour of the no longer tenable (related) tribimaximal mixing〔 〕 scheme. ==References== 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「Trimaximal mixing」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.