Masses of W and Z bosons without Higgs

Details Masses of W and Z bosons without Higgs Masses of W and Z bosons without Higgs

1997-09-12

arxiv.org/abs/hep-ph/9709332v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, Latex

Scientific paper

A Lagrangian of electroweak interactions without Higgs is used to study the contributions of quarks and leptons to the masses of the W and the Z bosons. It is shown that the $SU(2)\times U(1)$ symmetry is broken by both fermion masses and axial-vector components of the intermediate bosons. The masses of the W and the Z bosons are obtained to be (m^{2}_{W}={1\over2}g^{2}m^{2}_{t}) and (m^{2}_{Z}=\rho m^{2}_{W}/cos^{2}\theta_{W}) with (\rho\simeq 1). Two fixed gauge fixing terms for W and Z boson fields are derived respectively. A coupling between photon and Z boson is predicted. Massive neutrinos are required.

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