LIMITS ON EXTENSIONS OF THE MINIMAL STANDARD MODEL FROM COMBINED LEP LINESHAPE DATA

ANDRÉ SOPCZAK
1995 Modern Physics Letters A  
The high statistics of the combined LEP lineshape data are used to derive constraints on hypothetical extensions of the Minimal Standard Model. The data comprises about eight million visible Z decays, recorded between 1989 and 1993. This letter gives limits for simple tests on models which predict additional Z boson decays or modified Z-couplings. As an application the two-doublet Higgs model is considered.
doi:10.1142/s0217732395001174 fatcat:f4sjuk3q25dgjntud2dpu7jnlu