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arxiv: 1502.00381 · v1 · submitted 2015-02-02 · ✦ hep-ex

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Search for the decay B^+rightarrowoverline{K}{}^{*0}K^{*+} at Belle

Belle Collaboration: Y. M. Goh , Y. Unno , B. G. Cheon , A. Abdesselam , I. Adachi , H. Aihara , S. Al Said , K. Arinstein
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classification ✦ hep-ex
keywords decayoverlinerightarrowbellesearchasymmetric-energybranchingcharmless
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We report a search for the rare charmless decay $B^+\rightarrow\overline{K}{}^{*0}K^{*+}$ using a data sample of $772\times10^6$ $B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. No statistically significant signal is found and a 90% confidence-level upper limit is set on the decay branching fraction as $ \mathcal{B}(B^+\rightarrow\overline{K}{}^{*0}K^{*+}) <1.31\times 10^{-6}$.

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