x - Herbstschule Maria Laach

Higgs-Suche bei LEP
direkt:
indirekt:
_
e
( E ~ 205 GeV )
e+
_
e
Z*
H
Z
(M = 91 GeV)
Z
H
µ
+
Z
+
_
e µ
⇒ M H 114.4 GeV
∆χ 2
6
5
4
3
2
1
March 2008
∆α had =
(5)
Theory uncertainty
0.02758±0.00035
0.02749±0.00012
incl. low Q 2 data
Excluded Preliminary
0
30 100
300
m H [GeV]
m Limit = 160 GeV
Robert Harlander — Elektroschwaches Standardmodell — Teil 3 – p. 5