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Final results are presented from a search for single-photons produced in association with neutrinos or other weakly interacting neutral particles in e/sup +/e/sup -/ annihilations at ..sqrt..s = 29 GeV. The search was performed with the MAC detector at PEP in a total integrated luminosity of 177 pb/sup -1/. The search limits the number of light-neutrino families to N/sub nu/ 50 GeV/c/sup 2/ if m/sub e tilde L/ = m/sub e tilde R/ and m/sub ..gamma.. tilde/ = 0. The mass of the wino is limited to m/sub W tilde/ > 51 GeV/c/sup 2/ if m/sub nu tilde/ = 0. These limits are at the 90% confidence level.

search for single photons from radiative neutrino or supersymmetric-particle production