使用$B^{\pm} \to D K^{\pm}$、$D \to K_{\rm S}^0π^+π^-$衰减确定CKM角$γ$的方法的起源
Origins of the method to determine the CKM angle $γ$ using $B^{\pm} \to D K^{\pm}$, $D \to K_{\rm S}^0π^+π^-$ decays
摘要:
Cabibbo-Kobayashi-Maskawa幺正三角形的角$γ$是粒子物理学标准模型的基准参数。已经证明从$B^{\pm} \to D K^{\pm}$和随后的$D \to K_{\rm S}^0π^+π^-$或类似的多体衰变来确定$γ$的方法提供了良好的灵敏度。我们回顾了关于使用这种技术的第一次讨论,以及随后的影响。我们建议,这种方法应被称为BPGGSZ方法。
英文摘要:
The angle $γ$ of the Cabibbo--Kobayashi--Maskawa unitarity triangle is a benchmark parameter of the Standard Model of particle physics. A method to determine $γ$ from $B^{\pm} \to D K^{\pm}$ with subsequent $D \to K_{\rm S}^0π^+π^-$ or similar multibody decays has been proven to provide good sensitivity. We review the first discussions on the use of this technique, and its impact subsequently. We propose that this approach should be referred to as the BPGGSZ method.
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