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Search for ξ(2.2) andX(2.2) in radiative decays of ϒ-meson

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Zeitschrift für Physik C Particles and Fields

Abstract

The results of an experiment on the search for ξ(2.2) andX(2.2) in the radiative decays of the Υ-meson are presented. The experiment was carried out with the MD-1 detector at the VEPP-4 collider. An upper limitB(Υ→γξ)B(ξ→K + K )<2·10−4 is obtained at 90% C.L. Results are presented on the search for the decay Υ→γX, X→ ϕϕ not previously investigated. For this decay the upper limitB(Υ→γX)B(X→ϕϕ)<3·10−3 is obtained at 90% C.L.

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Baru, S.E., Beilin, M.V., Blinov, A.E. et al. Search for ξ(2.2) andX(2.2) in radiative decays of ϒ-meson. Z. Phys. C - Particles and Fields 42, 505–510 (1989). https://doi.org/10.1007/BF01557654

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  • DOI: https://doi.org/10.1007/BF01557654

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