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Search for the decay B-s(0) -> eta 'eta
Journal article   Open access  Peer reviewed

Search for the decay B-s(0) -> eta 'eta

N. K. Nisar, Savinov, Adachi, H. Aihara, S. Al Said, D. M. Asner, H. Atmacan, T. Aushev, R. Ayad, Babu, …
Physical review. D, Vol.104(3)
16/08/2021

Abstract

Astronomy & Astrophysics Physical Sciences Physics Physics, Particles & Fields Science & Technology
We report the results of the first search for the decay B-s(0) -> eta'eta using 121.4 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 x 10(-5) on the branching fraction of this decay.
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https://doi.org/10.1103/PhysRevD.104.L031101View
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