Direct CP violation of B meson via rho-omega interference

Details Direct CP violation of B meson via rho-omega interference Direct CP violation of B meson via rho-omega interference

1996-06-04

arxiv.org/abs/hep-ph/9606217v2

Phys.Lett. B386 (1996) 413-421

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, latex (revtex), two figures, two citations changed, available at http://bsun01.kek.jp/~enomoto/rhoomega.ps

Scientific paper

10.1016/0370-2693(96)00979-3

We investigate $B^{\pm,0}\rightarrow \rho^0 (\omega )h^{\pm,0}$, where $\rho^0 (\omega)$ decays to $\pi^+\pi^-$ and $h$ is any hadronic final states, such as $\pi$ or $K$. We find large direct $CP$ asymmetries via $\rho-\omega$ interference. A possible determination of the weak phases, such as $\phi_2={\rm arg}((V_{ud}V^*_{ub})/(V_{td}V^*_{tb}))$ and $\phi_3={\rm arg}((V_{us}V^*_{ub})/(V_{ts}V^*_{tb}))$, is also discussed. We show the feasibility to detect the CP asymmetries in these channels by assuming an asymmetric $e^+e^-$ collider experiment. $10^{9}$ $B\bar B$ events are required for the detection of this effect.

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