英语词汇“cabibbo theory”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	cabibbo theory
释义	Cabibbo theory Cabibbo theory [ka′bi·bō ‚thē·ə·rē] (particle physics) A theory describing baryon beta-decay processes, according to which the amplitude for such processes is given by G {cos Θ[V (Δ s = 0) + A (Δ s = 0)] + sin Θ{V (Δ s = +1) + A (Δ s = +1)]{, where Θ is the Cabibbo angle, Δ s is the change in strangeness for the baryon, G is a universal beta-decay amplitude, and V and A are vector and axial vector amplitudes, respectively; it is experimentally determined that sin Θ ≈ 0.25, so that cos Θ = 0.97.
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Cabibbo theory