14 research outputs found

    ENERGY SCAN FOR NARROW STATES IN e+ e- ANNIHILATION AT center-of-mass ENERGIES BETWEEN 29.90-GeV AND 31.46-GeV

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    A fine energy scan has been performed to search for narrow states in e+e− annihilation at c.m. energies between 29.90 and 31.46 GeV. No such state has been observed. The 90% confidence upper limit on the leptonic decay width times the hadronic decay branching ratio is ΓeeBh<1.6 keV
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