Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-02-23
Phys.Lett.B350:212-217,1995
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTex, 11 pages, no figures
Scientific paper
10.1016/0370-2693(95)00353-M
Taking into account the constraints from LEP1 and lower energy experiments, we identify the seven $SU(2)\times U(1)$ gauge invariant purely bosonic $dim=6$ operators which provide a quite general description of how New Physics could reflect in the bosonic world, if it happens that all new degrees of freedom are too heavy to be directly produced in the future colliders. Five of these operators are CP conserving and the remaining ones are CP violating. We derive the unitarity constraints for the CP violating operators and compare them with the already known constraints for the CP conserving ones. Dynamical renormalizable models are also presented, which partly elucidate what the appearance of each of these operators can teach us on the mechanism of spontaneous gauge symmetry breaking.
Gounaris G. J.
Renard Fernand M.
Tsirigoti G.
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