Time-Dependent CP Violation in $B^0\to P^0{P}^0{X}^0$ Decays

Abstract

We note that in decays of the type $B^0\to P^0{P}^0{X}^0$, where $P^0$ and $X^0$ represent any CP eigenstate spin-0 neutral particles, the final state is a CP eigenstate. We consider the possibilities for studying time-dependent CP violation in decays of this type at $B$ factories with high luminosity, with particular attention to $B^0 \to \ks \ks \ks$. We also comment on some cases where $X^0$ has non-zero spin, and decays of the type $B^0\to P^0{Q}^0{X}^0$, where the three final state particles are different spin-0 CP eigenstates.

13 pages, 3 figures To appear in Physics Letters B

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