Branching ratios of $B_s\to (K^+K^-,K^0\bar{K}^0)$ and $B_d\to π^+ π^- and determination of \boldmath{$γ(φ_3)$

Details Branching ratios of $B_s\to (K^+K^-,K^0\bar{K}^0)$ and $B_d\to π^+ π^- and determination of \boldmath{$γ(φ_3)$ Branching ratios of $B_s\to (K^+K^-,K^0\bar{K}^0)$ and $B_d\to π^+ π^- and determination of \boldmath{$γ(φ_3)$

2001-07-13

arxiv.org/abs/hep-ph/0107145v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 5 figures

Scientific paper

We explored various cases for the branching ratios (BRs) of $B_s\to K^+K^-$, $B_s\to K^0\bar{K}^0$ and $B_d\to \pi^+ \pi^-$ decays. We study the possibility of determining $\gamma $ by using the following the measurements: (a) BRs of $B_s\to K^+K^-$, and $B_s\to K^0\bar{K}^0$; (b) the ratio of direct CP asymmetries in $B_d\to \pi^+ \pi^-$ and $B_s\to K^+K^-$; (c) the mix-induced CP asymmetry in $B_d\to \pi^+ \pi^-$; and (d) the angle of $\beta$.

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