Probing topcolor-assisted technicolor models from like-sign tau pair production in e gamma collisions

Details Probing topcolor-assisted technicolor models from like-sign tau pair production in e gamma collisions Probing topcolor-assisted technicolor models from like-sign tau pair production in e gamma collisions

2010-05-10

arxiv.org/abs/1005.1437v1

Commun.Theor.Phys.55:852-856,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 4 figures

Scientific paper

10.1088/0253-6102/55/5/21

We consider the contributions of the extra gauge boson Z' to the like sign $\tau$ production process $e^-\gamma\to e^+(\mu^+)\tau^-\tau^-$, induced by the tree-level flavor changing interactions. Since these rare production are far below the observable level in the Standard Model and other popular new physics models such as the minimal supersymmetric model, we find that Z' can give significant contributions to this process, and with reasonable values of the parameters in TC2 models, the cross section can reach several tens of fb and may be detected at the $e\gamma$ collisions.

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