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Direct search for pair production of heavy stable charged particles in Z decays
Ist Teil von
Physical review letters, 1990-06, Vol.64:25
Ort / Verlag
United States
Erscheinungsjahr
1990
Quelle
American Physical Society Journals
Beschreibungen/Notizen
A search for pair production of stable charged particles from {ital Z} decay has been performed with the Mark II detector at the SLAC Linear Collider. Particle masses are determined from momentum, ionization energy loss, and time-of-flight measurements. A limit excluding pair production of stable fourth-generation charged leptons and stable mirror fermions with masses between the muon mass and 36.3 GeV/{ital c}{sup 2} is set at the 95% confidence level. Pair production of stable supersymmetric scalar leptons with masses between the muon mass and 32.6 GeV/{ital c}{sup 2} is also excluded.