Search for the Θ(1540)+ pentaquark using kaon secondary interactions at Belle
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K+K- production in two-photon collisions has been studied using a large data sample of 67 fb-1 accumulated with the Belle detector at the KEKB asymmetric e+e- collider. We have measured the cross section for the process γγ → K +K- for center-of-mass energi ...
We report the observation of B̄0 → D 0η′ and the first observation of B̄0 → D*0η′, using 140 fb-1 of data collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. We find the branching fractions to be B(B̄0 → D0 ...
The observation of the decay B+→ψ(3770)K+, where the ψ(3770) was constructed in the D0D̄0 and D+D- decay channels, was reported. The branching fraction for the decay was measured and a 90% confidence level upper limit was set for the decay. Data was collec ...
