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Search for the decay $$B_s^0 rightarrow eta^prime eta$$

Nisar, N. K.*; Tanida, Kiyoshi   ; Belle Collaboration*; 197 of others*

We report the results of the first search for the decay $$B_s^0 rightarrow eta^prime eta$$ using $$121.4~textrm{fb}^{-1}$$ of data collected at the $$Upsilon(5S)$$ 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 $$6.5 times 10^{-5}$$ on the branching fraction of this decay.



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Category:Astronomy & Astrophysics



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