Model-Independent Z' Constraints from Measurements at the Z Peak
arXiv:hep-ph/9612410 · doi:10.1016/S0370-2693(97)00112-3
Abstract
Model independent constraints on extra neutral gauge bosons are obtained from partial decay widths of the Z_1 and forward-backward and left-right asymmetries at the Z_1 peak. Constraints on the ZZ' mixing angle in E_6 models are considered as special cases.
7 pages Latex, 4 figures included by epsf