Search for doubly charged Higgs bosons with the OPAL detector at LEP

A search for pair-produced doubly charged Higgs bosons has been performed using data samples corresponding to an integrated luminosity of about 614 pb −1 collected with the OPAL detector at LEP at centre-of-mass energies between 189 GeV and 209 GeV. No evidence for a signal has been observed. A mass limit of 98.5 GeV/ c 2 at the 95% confidence level has been set for the doubly charged Higgs particle in left–right symmetric models. This is the first search for doubly charged Higgs bosons at centre-of-mass energies larger than 91 GeV.

Note:

19 pages, 4 figures, Submitted to Phys. Lett. B Report-no: CERN-EP-2001-082

electron positron: colliding beams
electron positron: annihilation
Higgs particle: search for
charge: 2
Higgs particle: pair production
Higgs particle: leptonic decay
Higgs particle: mass
upper limit
symmetry: left-right
mass spectrum: (2lepton)

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