Z-Z' mixing in SU(3)_C X SU(3)_L X U(1)_X models with beta arbitrary

Details Z-Z' mixing in SU(3)_C X SU(3)_L X U(1)_X models with beta arbitrary Z-Z' mixing in SU(3)_C X SU(3)_L X U(1)_X models with beta arbitrary

2005-08-06

arxiv.org/abs/hep-ph/0508082v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 7 figures, LaTeX2e

Scientific paper

We perform a chi ^{2} fit at 95% CL to obtain model-dependent bounds to Z-Z' mixing angle theta and Z_2-mass in the framework of SU(3)_C X SU(3)_L X U(1)_X models with beta arbitrary. Using experimental results at the Z-pole and atomic parity violation, we obtain allowed regions according to the value of beta and depending on the assignment of the quark families in mass eigenstates into the three different families in weak eigenstates that cancel anomalies.

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