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Searches for unstable neutral leptons in low-multiplicity events from electron-positron annihilation

  • Author(s): Perl, ML
  • Barklow, T
  • Boyarski, AM
  • Breidenbach, M
  • Burchat, PR
  • Burke, DL
  • Dorfan, JM
  • Feldman, GJ
  • Gladney, L
  • Hanson, G
  • Hayes, K
  • Hollebeek, RJ
  • Innes, WR
  • Jaros, JA
  • Karlen, D
  • Lankford, AJ
  • Larsen, RR
  • Leclaire, BW
  • Lockyer, NS
  • Lüth, V
  • Matteuzzi, C
  • Ong, RA
  • Richter, B
  • Riles, K
  • Ross, MC
  • Schlatter, D
  • Yelton, JM
  • Zaiser, C
  • Abrams, GS
  • Amidei, D
  • Baden, AR
  • Boyer, J
  • Butler, F
  • Gidal, G
  • Gold, MS
  • Goldhaber, G
  • Golding, L
  • Haggerty, J
  • Herrup, D
  • Juricic, I
  • Kadyk, JA
  • Nelson, ME
  • Rowson, PC
  • Schellman, H
  • Schmidke, WB
  • Sheldon, PD
  • De La Vaissiere, C
  • Wood, DR
  • Levi, ME
  • Schaad, T
  • et al.
Abstract

Upper limits are given on the production of unstable neutral leptons in electron-positron annihilation at 29 GeV. The searches use selected two- and four-charged-particle events and are most sensitive to neutral-lepton masses of the order of 1 GeV/c2 and smaller. However, results are given for masses up to 14 GeV/c2. © 1985 The American Physical Society.

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