Author:
Qi Jing-Juan,Zhang Xuan,Wang Chao,Wang Zhen-Yang,Guo Xin-Heng
Abstract
Abstract
In the framework of the QCD factorization approach, we study the localized
violations of the
decay with and without the
mixing mechanism and observe that the localized
violation can be enhanced by this mixing effect when the mass of the
pair is in the vicinity of the
resonance. The corresponding theoretical prediction results are
(
with the central value form) and
(
with the central value form), respectively. Meanwhile, we also calculate the branching fraction of the
decay, which is consistent with the experimental results. We suggest that the
mixing mechanism should be considered when theoretically and experimentally studying the
violation of the B or D meson decays.
Funder
Natural Science Foundation of Zhejiang Province
Natural Science Foundation of Ningbo
Fundamental Research Funds for the Provincial Universities of Zhejiang Province
National Natural Science Foundation of China
Subject
Astronomy and Astrophysics,Instrumentation,Nuclear and High Energy Physics