Search for Technicolor at Lep

Details Search for Technicolor at Lep Search for Technicolor at Lep

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006fuin.conf..234m&link_type=abstract

FUNDAMENTAL INTERACTIONS. Proceedings of the 20th Lake Louise Winter Institute. Held 20-26 February 2005 in Lake Louise, Alberta

Physics

Scientific paper

This talk summarizes the searches for Technicolor signatures in electron-positron collisions with center-of-mass energy up to 209 GeV at LEP. No excess over Standard Model background is observed, hence mass limits on Technicolor resonances ρTC and πTC are given at the 95% confidence level. Using measurements of the cross section of W-boson pair production, a lower limit Mρ > 600 GeV for the mass of Technicolor vector resonances is reported by the ALEPH collaboration. Interpretations of direct search results in the framework of the Technicolor Straw-man Model, performed by the DELPHI and OPAL collaborations, yield a best lower limit Mπ > 79.8 GeV for the mass of scalar resonances and exclude vector states in the range 90 < Mρ < 206.7 GeV.

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