Abstract
We report the results of the first search for the decay Bs0→η′η using 121.4 fb-1 of data collected at the I (5S) resonance with the Belle detector at the KEKB asymmetric-energy e+e-collider. We observe no significant signal and set a 90% confidence-level upper limit of 6.5×10-5 on the branching fraction of this decay.
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CITATION STYLE
APA
Nisar, N. K., Savinov, V., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., … Zhukova, V. (2021). Search for the decay Bs0 →η′η. Physical Review D, 104(3). https://doi.org/10.1103/PhysRevD.104.L031101
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