Quantum-chromodynamics radiative corrections to the vector-meson lepton width are discussed. These may modify the zeroth-order equation of Van Royen and Weisskopf, thereby leading to a significant suppression, by about a factor of 2, of the calculated value of Γ. Consequences for phenomenology are examined. In particular, a prediction is made for the width of Υ^', as well as for widths of heavier mesons.
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William Celmaster (1979) studied this question.
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