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A search for new particles inZdecay

Authors
Journal
Nuclear Physics B - Proceedings Supplements
0920-5632
Publisher
Elsevier
Publication Date
Volume
16
Identifiers
DOI: 10.1016/0920-5632(90)90553-7
Disciplines
  • Physics

Abstract

Abstract We have searched 310 hadronic Z decays for evidence of new quarks and leptons. We set lower mass limits of 40.7 GeV/c 2 for top, 45 GeV/c 2 for bottom prime, and 42.4 GeV/c 2 for a heavy neutral lepton assuming their decays are predominantly via the charged current. Limits are also set for other decay modes and for mixtures of decay modes.

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