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SU(4) Relations for B → PP Decays of Bottom Mesons
並列摘要
It was pointed out that flavor SU(4) might be a good approximate symmetry for B meson decays. Within the context of the standard model of six quarks, the effective non-leptonic Hamiltonian H(∆B = 1) transforms like [4] , [20' *] and [36] irreducible representations of SU(4). Consequently each decay amplitude ＜ PP I H(AB=l) I B ＞ for B → PP decays can be expressed, in general, in terms of six independent SU(4) reduced matrix elements. The results of our calculation for the SU(4) amplitudes are reviewed for dominant decays and are presented for suppressed decays. Various SU(4) relations can be obtained between the amplitudes of different decay modes.
並列關鍵字
無資料被引用紀錄
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延伸閱讀
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