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AbstractAbstract
[en] The reaction e+e- → μ+μ- has been measured in the center-of-mass energy range 5.8--7.4 GeV. The polar-angle asymmetry agrees with second-order quantum electrodynamics. From this a 95% confidence limit of M/sub z/ > 53g/sub a//e GeV is placed on the mass to coupling constant ratio for a neutral vector boson
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Journal Article
Journal
Physical Review Letters; v. 41(7); p. 449-451
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ALGEBRAIC CURRENTS, BOSONS, CURRENTS, DISTRIBUTION, ELASTIC SCATTERING, ELECTRODYNAMICS, ELEMENTARY PARTICLES, ENERGY RANGE, FIELD THEORIES, GEV RANGE, HADRONS, INTERACTIONS, LEPTON-LEPTON INTERACTIONS, MESON RESONANCES, MESONS, PARTICLE INTERACTIONS, PARTICLE PRODUCTION, QUANTUM FIELD THEORY, RESONANCE PARTICLES, SCATTERING
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