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arxiv: 1010.3097 · v1 · pith:RXWSJSQSnew · submitted 2010-10-15 · ✦ hep-ph

Z' Searches: From Tevatron to LHC

classification ✦ hep-ph
keywords analysisbosonsgaugelimitsmethodmodelsrangeaccount
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The CDF collaboration has set lower limits on the masses of the Z' bosons occurring in a range of E_6 GUT based models. We revisit their analysis and extend it to certain other E_6 scenarios as well as to some general classes of models satisfying the anomaly cancellation conditions, which are not included in the CDF analysis. We also suggest a Bayesian statistical method for finding exclusion limits on the Z' mass, which allows one to explore a wide range of the U(1)' gauge coupling parameter. This method also takes into account the effects of interference between the Z' and the SM gauge bosons.

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