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1. Search for the decay Bs0 →η′η

Author

Nisar, N.K., Savinov, V., Adachi, I. et.al., Nisar, N.K., Savinov, V., and Adachi, I. et.al.

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.

Published
2021

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