A Search for doubly charged Higgs production in Z0 decays

A search for the decay of the Z 0 into doubly charged Higgs bosons (H ±± ) decaying to same-sign lepton pairs is presented using data collected with the OPAL detector at LEP, with an integrated luminosity of 6.8 pb − . Four-track final states from prompt decays, and events with at least one highly ionizing track from long-lived H ±± were sought. H ±± are excluded in the mass range from zero to 45.6 GeV/ c 2 and for a coupling constant range that extends down to zero.

electron positron: colliding beams
colliding beams: electron positron
electron positron: annihilation
annihilation: electron positron
Higgs particle: search for
Z0: electroproduction
electroproduction: Z0
Z0: decay modes
decay modes: Z0
Higgs particle: pair production

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