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• W2226941570 abstract "A search for B () 0 → K 0 K ∗(892)0 decays is performed using pp collision data, corresponding to an integrated luminosity of 1.0 fb−1, collected with the LHCb detector at a centre-of-mass energy of 7 TeV. The B 0 → K 0 K ∗(892)0 decay is observed for the first time, with a significance of 7.1 standard deviations. The branching fraction is measured to be $$ mathrm{mathcal{B}}left({B}_s^0to {overline{K}}^0{K}^{ast }{(892)}^0right)+mathrm{mathcal{B}}left({B}_s^0to {K}^0{overline{K}}^{ast }{(892)}^0right)=left(16.4pm 3.4pm 2.3right)times 1{0}^{-6}, $$ where the first uncertainty is statistical and the second is systematic. No evidence is found for the decay B 0 → K 0 K ∗(892)0 and an upper limit is set on the branching fraction, $$ mathrm{mathcal{B}}left({B}^0to {overline{K}}^0{K}^{ast }{(892)}^0right)+mathrm{mathcal{B}}left({B}^0to {K}^0{overline{K}}^{ast }{(892)}^0right)<0.96times 1{0}^{-6} $$ , at 90 % confidence level. All results are consistent with Standard Model predictions." @default.
• W2226941570 created "2016-06-24" @default.
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