Is the charged vecton boson seen by the CDF II the standard model one?
Abstract
After the CDF II results, we can ask ourselves, have they observed the vector boson W of the standard model? or have they discovered the effect of new physics? We show that, in electroweak models with SU(2)L SU(2)R U(1)B-L gauge symmetry, it is possible to accommodate, at tree level, the value of the mass of the charged vector boson obtained by the CDF-II. A shift in the mass of the lightest neutral vector boson is also predicted in some versions of the model.
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