Search for $B^0 \to J/ψφ$

Details Search for $B^0 \to J/ψφ$ Search for $B^0 \to J/ψφ$

2008-05-21

arxiv.org/abs/0805.3225v2

Phys.Rev.D78:011106,2008

Physics

High Energy Physics

High Energy Physics - Experiment

5 pages, 2 figures, 3 tables, submitted to PRD(RC)

Scientific paper

10.1103/PhysRevD.78.011106

We report a search for the decay $B^0 \to J/\psi \phi$, using a sample of 657
$\times 10^6$ $B\bar{B}$ pairs collected with the Belle detector at the
$\Upsilon(4S)$ resonance. No statistically significant signal is found and an
upper limit for the branching fraction is determined to be $\mathcal{B}(B^0 \to
J/\psi \phi) < 9.4 \times 10^{-7}$ at 90% confidence level.

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