弱衰变
- weak decay
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本文利用重层子模型中得到的介子B-S波函数讨论介子的轻子型弱衰变、电磁衰变和各种二体强衰变过程。
Using the B-S wave functions of mesons in the massive straton model , we discuss their weak decay , electromagnetic decay , and particularly hadronic decay processes .
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本论文是在R宇称破缺超对称模型中,我们系统研究了B介子弱衰变。
In this thesis , we study the weak decays of B mesons in the RPV SUSY .
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首先简要介绍了标准模型、超对称和B介子弱衰变。
We first give a brief review on the SM , the SUSY and the B meson weak decays .
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在论文的综述部分(前三章),我们首先对粒子物理的标准模型以及B介子弱衰变的理论框架进行了简单的介绍,并给出了标准模型下威尔逊系数的表达式;
In the first three chapters , we made a review for the theoretical framework of Standard Model and B physics . We presented the extraction of Wilson coefficients ;
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D和Ds非轻子弱衰变的分支比与实验值不符。
For D and Ds mesons , the nonleptonic decay branching ratios do not respect data .
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在微扰QCD框架下,利用六夸克图方案及低能有效哈米顿,对于两体赝标介子末态,给出了诱导B介子无璨弱衰变过程的不同费曼图的计算。
Starting from the six-quark-diagram scheme and low energy effective Hamiltonian , we calculate the various Feynman diagrams in the charmless hadronic B-meson decays for the two body pseudoscalar meson final states within the framework of perturbative QCD .
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结构模型中介子的电磁衰变和轻子型弱衰变
The electromagnetic and weak decays of mesons in the structure model