1) semileptonic decay
半轻子衰变
1.
By using US(3)f flavor symmetry, the semileptonic decays of bottom baryons are further studied.
在无粲Ｂ重子非轻子衰变研讨基础上，进一步探讨了Ｂ重子三体和四体半轻子衰变的ＳＵ（３）ｆ对称性，得到一系列可能衰变道衰变几率的对称关系。
2) D semileptonic decay
D介子半轻衰变
3) semileptonic weak decay
半轻子弱衰变
1.
By constructing a relativistic constituent quark model, the BS wave functions for B,D and D mesons are obtained, and the form factors and their slopes at zero-recoil point for transitions B→D and B→D are calculated, based on which the widths for semileptonic weak decays B→Dl+ vt and B→D(*)l+vt), are calculated as well.
建立相对论性的组分夸克模型,求解了B和(?)、(?)的BS波函数,并计算出B→(?)和B→(?)跃迁强子矩阵元的形状因子及其斜率,进而计算出半轻子弱衰变B→(?)l+v_(t)和B→(?)l+v_(t)的衰变宽度。
4) semitauonic B decays
半轻子B衰变
5) baryon semileptonic decays
重子的半轻子衰变
1.
The status and problems to be done in the polarizations of produced hyperons,magnetic moments of baryon octet,weak radiative hyperon decay and baryon semileptonic decays are reviewed.
评述了产生超子的极化、重子八重的磁矩、弱辐射超子衰变、重子的半轻子衰变理论和实验的现状及待解决的问题
6) semileptonic B-meson decays
美介子半轻子衰变
1.
Based on the SU(3)approximate symmetry in the strong interaction threebody and four-body semileptonic B-meson decays are analyzed.
这些联系可以为了解美介子半轻子衰变中产生的各种动力学效应的性质提供一些信息。
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