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arxiv: 1107.2824 · v1 · pith:Z6M4MQKUnew · submitted 2011-07-14 · ✦ hep-ex

Search for narrow resonances in e+ e- annihilation between 1.85 and 3.1 GeV with the KEDR Detector

classification ✦ hep-ex
keywords narrowannihilationdetectorkedrresonancessearchbeencenter-of-mass
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We report results of a search for narrow resonances in e+ e- annihilation at center-of-mass energies between 1.85 and 3.1 GeV performed with the KEDR detector at the VEPP-4M e+ e- collider. The upper limit on the leptonic width of a narrow resonance Gamma(R -> ee) Br(R -> hadr) < 120 eV has been obtained (at 90 % C.L.).

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