CDF Wjj anomaly as a non-perturbative effect of the electro-weak interaction
Abstract
The recently reported CDF excess at 120\,-\, 160\,GeV in invariant mass distribution of jet pairs accompanying W-boson is tentatively interpreted as a bound state of two W decaying to quark-anti-quark pair. Non-perturbative effects of EW interaction obtained by application of Bogoliubov compensation approach lead to such bound state due to existence of anomalous three-boson gauge-invariant effective interaction. The application of this scheme gives satisfactory agreement with existing data without any adjusting parameter but the bound state mass 145\,GeV.
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