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The Z-boson pair signal from strong WW scattering, WW{→}ZZ, is significantly enhanced by a contribution from gluon-gluon fusion, gg{→}ZZ, if W-boson and t-quark masses are both generated by electroweak symmetry-breaking condensates formed by quanta heavier than 1 TeV. By measuring the two components of the signal it will be possible to probe for different origins of the W-boson and t-quark masses.
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Berger et al. (1992) studied this question.
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