Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2002-01-15
Phys.Lett.B525:17-28,2002
Physics
High Energy Physics
High Energy Physics - Experiment
19 pages, 6 figures
Scientific paper
10.1016/S0370-2693(01)01282-5
A search for pair-produced charged Higgs bosons was performed in the high energy data collected by the DELPHI detector at LEP II at centre-of-mass energies from 189 GeV to 202 GeV. The three different final states, \tau \nu \tau \nu, c \bar s \bar c s and c \bar s \tau \nu were considered. New methods were applied to reject wrong hadronic jet pairings and for the tau identification, where a discriminator based on tau polarisation and polar angles was used. No excess of data compared to the expected Standard Model processes was observed and the existence of a charged Higgs boson with mass lower than 71.5 GeV/c^2 is excluded at the 95% confidence level.
Abdallah Joseph
The DELPHI Collaboration
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