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arxiv: 1502.00381 · v1 · pith:3WGEIDVYnew · submitted 2015-02-02 · ✦ hep-ex

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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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. First observation of $CP$ violation and measurement of polarization in $B^+\to\rho(770)^0 K^*(892)^+$ decays

    hep-ex 2025-08 accept novelty 8.0

    First observation of CP violation in B+ to rho(770)^0 K*(892)+ decays with A_CP = 0.507 and longitudinal polarization fraction f_L = 0.720 from 9 fb^-1 of LHCb data.

  2. Measurement of the branching fractions and longitudinal polarisations of $B^0_{(s)} \to K^{*0} \kern 0.18em \overline{\kern -0.18em K}{}^{*0}$ decays

    hep-ex 2025-12 accept novelty 4.0

    LHCb measures f_L^d = 0.600 and f_L^s = 0.159 for B to K* Kbar* decays and reports a ratio L of 4.92 that confirms 4.4 sigma discrepancy with theory.