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  • Search for Neutral Heavy Le...
    Vaitaitis, A.; Drucker, R. B.; Formaggio, J.; Koutsoliotas, S.; Adams, T.; Alton, A.; Avvakumov, S.; de Barbaro, L.; de Barbaro, P.; Bernstein, R. H.; Bodek, A.; Bolton, T.; Brau, J.; Buchholz, D.; Budd, H.; Bugel, L.; Conrad, J.; Fleming, B. T.; Frey, R.; Goldman, J.; Goncharov, M.; Harris, D. A.; Johnson, R. A.; Kim, J. H.; Lamm, M. J.; Marsh, W.; Mason, D.; McFarland, K. S.; McNulty, C.; Monroe, J.; Naples, D.; Nienaber, P.; Romosan, A.; Sakumoto, W. K.; Schellman, H.; Shaevitz, M. H.; Spentzouris, P.; Stern, E. G.; Vakili, M.; Wu, V.; Yang, U. K.; Yu, J.; Zeller, G. P.; Zimmerman, E. D.

    Physical review letters, 12/1999, Volume: 83, Issue: 24
    Journal Article

    A search for neutral heavy leptons (NHLs) has been performed using an instrumented decay channel at the NuTeV (E-815) experiment at Fermilab. The data were examined for NHLs decaying into muonic final states ({mu}{mu}{nu} , {mu}e{nu} , {mu}{pi} , and {mu}{rho} ); no evidence has been found for NHLs in the 0.25-2.0 GeV mass range. This analysis places limits on the mixing of NHLs with standard light neutrinos at a level up to an order of magnitude more restrictive than previous search limits in this mass range. (c) 1999 The American Physical Society.