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From arXiv

Atomic parity violation in the economical 3-3-1 model

The deviation

\de Q_{\mathrm{W}}

of the weak charge from its standard model prediction due to the mixing of the

W

boson with the charged bilepton

Y

as well as of the

Z

boson with the neutral

Z'

and the real part of the non-Hermitian neutral bilepton

X

in the economical 3-3-1 model is established. Additional contributions to the usual

\de Q_\mathrm{W}

expression in the extra

\mathrm{U}(1)

models and the left-right models are obtained. Our calculations are quite different from previous analyzes in this kind of the 3-3-1 models and give the limit on mass of the

Z'

boson, the

Z-Z'

and

W-Y

mixing angles with the more appropriate values:

M_{Z'} > 564\ \mathrm{GeV}, -0.018<\sin \va < 0

and

|\sin \theta| < 0.043

.

Simplify

Updated on July 3, 2006

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