The possibility of a sizable, direct CP-violating asymmetry in B^-+ -> K^-+ eta

Details The possibility of a sizable, direct CP-violating asymmetry in B^-+ -> K^-+ eta The possibility of a sizable, direct CP-violating asymmetry in B^-+ -> K^-+ eta

2003-09-22

arxiv.org/abs/hep-ph/0309245v1

Phys.Lett. B578 (2004) 330-334

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, no figures

Scientific paper

The likelihood of a sizable, direct CP-violating asymmetry in the decays $B^\mp\to K^\mp\eta$, is calculated within the framework of the model which originally predicted a sizeable asymmetry in $\pi^\mp\eta(\eta')$. It is shown in a transparent manner that these decays are the best places for providing the first clear evidence for direct CP violation in the decays of a charged particle. These decays contain two amplitudes of comparable magnitude, with different weak-interaction phase, and with different strong-interaction phase which is explicitly calculated in a model of three coupled channels of physical hadrons.

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