sin 2 β的理论不确定性:更新
Theoretical uncertainty in sin 2beta: An update
摘要:
简要评述了从黄金通道Bd -> J/psi K 0的测量中提取sin 2 β的理论不确定度的来源。基于SU(3)味对称性和衰变Bd -> J/psi pi 0的测量,还提出了这种不确定性的更新估计。
英文摘要:
The source of theoretical uncertainty in the extraction of sin 2beta from the measurement of the golden channel Bd -> J/psi K0 is briefly reviewed. An updated estimate of this uncertainty based on SU(3) flavour symmetry and the measurement of the decay Bd -> J/psi pi0 is also presented.
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