Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-07-07
Phys.Lett. B579 (2004) 79-85
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, no figures. Minor changes to coincide with published PLB version
Scientific paper
In the two correlated $B$ meson decay experiment we propose to measure intensities relating CP eigenstate ($J/\psi K_{S,L}$) decays on $both$ sides, which will be measurable in future upgrades of KEK and PEP. As a CP-forbidden transition, we obtain $I(J/\psi K_S, J/\psi K_S, \Delta t) \sim \sin ^2 (2\beta)$. We calculate in a model independent way all the possible intensities relating final CP and flavour eigenstate decays. Under CPT-invariance, the asymmetries for processes related by CP$\Delta t$ vanish for $\Delta \Gamma =0$ and measure $\Delta \Gamma$ linearly. We notice the impossibility to isolate the sign of $\cos (2\bet a)$ without an independent knowledge of the sign of $\Delta \Gamma$. This exhaustion of the possible Golden Plate and flavour decays provides new observables which may throw light in our present understanding of CKM physics.
Alberola Jose Bernabeu
Alvarez Ezequiel
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