A search for neutral heavy leptons

D. I. Meyer, H. K. Nguyen, G. S. Abrams, M. S. Alam, A. Barbaro-Galtieri, A. M. Boyarski, J. M. Dorfan, R. Ely, G. J. Feldman, J. Feller, A. Fong, B. Gobbi, G. Hanson, A. D. Johnson, J. A. Jaros, J. A. Kadyk, B. P. Kwan, P. Lecomte, D. Lüke, R. J. MadarasJ. Martin, D. H. Miller, S. I. Parker, J. M. Paterson, M. L. Perl, I. Peruzzi, M. Piccolo, T. P. Pun, P. Rapidis, M. T. Ronan, R. Ross, W. Tanenbaum, G. H. Trilling, T. Trippe, V. Vuillemin, J. E. Wiss, D. Yount

Research output: Contribution to journalArticlepeer-review


In e+e- annihilations at SPEAR we have searched for narrow neutral resonances in the eπ and μπ channels for masses between 0.5 GeV/c2 and 1.5 GeV/c2. No evidence for such states has been found. Under standard theoretical assumptions for production cross sections and decay branching ratios of heavy leptons a lower limit of 1.2 GeV/c2 can be set on the mass.

Original languageEnglish (US)
Pages (from-to)469-470
Number of pages2
JournalPhysics Letters B
Issue number4
StatePublished - Oct 24 1977
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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