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5. Higgs Mechanism from a Spin(4) Gauge Group and Dimensional
Reduction of Spacetime from 8 to 4.
5.1. Gauge Boson part of the
Lagrangian and Higgs Scalar Mass.

5.2. Spinor Fermion part of the
Lagrangian.

5.3. Parity Violation, Weak Boson
Masses, and the Weinberg Angle.

5.4. Renormalization of the Higgs
mass.

[ In 1998, after reading
quant-ph/9806009
by Guang-jiong Ni, I realized that I made some
errors in my 1992 calculation of the Higgs Vacuum Expectation Value
and the Higgs mass, and I now calculate the Higgs Vacuum Expectation
Value as about 260 GeV and the Higgs mass as about 145 GeV.
However, I don't think that the general geometric/structural ideas
were incorrect. ]

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