Search for the X(1812) in $B^{\pm} \to K^{\pm} ωφ$

Details Search for the X(1812) in $B^{\pm} \to K^{\pm} ωφ$ Search for the X(1812) in $B^{\pm} \to K^{\pm} ωφ$

2009-02-27

arxiv.org/abs/0902.4757v2

Phys.Rev.D79:071102,2009

Physics

High Energy Physics

High Energy Physics - Experiment

5pages,2 figures(3 figure files). submitted to PRD(RC)

Scientific paper

We report on a search for the X(1812) state in the decay $B^{\pm} \to K^{\pm} \omega \phi$ with a data sample of $657\times10^6$ $B\bar{B}$ pairs collected with the Belle detector at the KEKB $e^+e^-$ collider. No significant signal is observed. An upper limit ${\cal B}(B^{\pm} \to K^{\pm} X(1812),X(1812) \to \omega \phi)<3.2\times 10^{-7}$ (90% C.L.) is determined. We also constrain the three-body decay branching fraction to be ${\cal B}(B^{\pm} \to K^{\pm} \omega \phi)$ $<$ 1.9 $\times 10^{-6}$ (90% C.L.).

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