Probing anomalous quartic couplings in eγ and γγ colliders -: art. no. 075011

We analyze the potential of the e(+)e(-) linear colliders, operating in the ey and yy modes, to probe anomalous quartic vector-boson interactions through the multiple production of W's and Z's. We examine all SU(2)(L)circle timesU(1)(Y) chiral operators of order p(4) that lead to new four-gauge-boson interactions but do not alter trilinear vertices. We show that the e gamma and gamma gamma modes are able not only to establish the existence of a strongly interacting symmetry breaking sector but also to probe for anomalous quartic couplings of the order of 10(-2) at 90% C.L. Moreover, the information gathered in the e gamma mode can be used to reduce the ambiguities of the e(+)e(-) mode.