Observing the technieta at a photon linear collider

Abstract

If electroweak symmetry is spontaneously broken by technicolor, there will be technimesons analogous to the mesons of the ordinary strong interactions. One of the lightest technimesons is the technieta ${\eta }_T^{\prime }$ (the analogue of the~${\eta }^{\prime }$). In this work we consider the possibility of observing it at a linear $e^{+}{e}^{-}$ collider operating in the $\gamma \gamma$ mode. Detecting the process $\gamma \gamma \to {\eta }_T^{\prime }$ allows for the measurement of the ${\eta }_T^{\prime }\gamma \gamma$ anomalous coupling which is in principle sensitive to the underlying technifermion substructure.

17 pages, revtex, no figures

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