1996/06/14 by B. Holdom, Holdom, B.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #hep-ph
paper · pdf · doi:10.48550/arxiv.hep-ph/9606338
10 pages, 2 figures, talk given at the Inauguration Conference of the Asia Pacific Center for Theoretical Physics, Seoul, June 4-10 1996 and the 18th annual MRST meeting, Toronto, May 9-10 1996
arxiv created 1996/06/14 · arxiv updated 2009/11/30
There is current interest in a possible new massive gauge boson X which mixes slightly with the Z boson and accounts for certain anomalies in the LEP data. We show why constraints on models in which the X boson does not couple to the first two families suggest dynamical electroweak symmetry breaking. The associated TeV mass fermions make up a fourth family. Constraints on the effects of the fourth left-handed neutrino also suggest a dynamical origin for its Majorana mass. We finally comment on related implications for the origin of quark masses.