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The search for narrow resonances in the reactione + e →hardrons at centre-of-mass energy range between 7.23 and 10.34 GeV

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Zeitschrift für Physik C Particles and Fields

Abstract

The results of a search for narrow resonances ine + e annihilation at centre-of-mass energies between 7.23 and 10.34 GeV are presented. The experiment was performed using the MD-1 detector at the VEPP-4 storage ring. The total luminosity integral of 16 pb−1 was taken. There is no evidence that new states exist. The upper limits on the leptonic widthΓ ee of possible resonances are less, by a factor of 10–80, than theΓ ee for the ϒ(1S) meson.

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Blinov, A.E., Blinov, V.E., Beilin, M.V. et al. The search for narrow resonances in the reactione + e →hardrons at centre-of-mass energy range between 7.23 and 10.34 GeV. Z. Phys. C - Particles and Fields 49, 239–243 (1991). https://doi.org/10.1007/BF01555496

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