2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/37081During the run in the year 2000, with data collected at collision energies up to 209 GeV, the LEP experiments have possibly unearthed the first evidence of a Higgs boson signal at mh=115 GeV/c2. The preliminary combined results prepared immediately after the end of the data-taking, in November 2000, are presented here. Overall, a 2.9 sigma excess over the background is found, consistent with a Standard Model Higgs boson signal with mh=115.0 GeV/c2.4 pages. Contributed to the Moriond EW 2001 proceedingsHigh Energy Physics - Experimenttext