Abstract
We calculate the one loop contribution from an unparticle gauged model, based on the group SU(2)[Formula: see text]U(1), to the electroweak oblique parameters [Formula: see text] and [Formula: see text]. Using the current bounds on [Formula: see text] and [Formula: see text] from electroweak measurements, we find the constraints on the scale dimension [Formula: see text] of the unparticle fermionic fields to be [Formula: see text] and the constraints on the conformal breaking scale [Formula: see text] to be [Formula: see text] Gev. The bounds on [Formula: see text] impose a lower limit on the conformal window of the unparticle fields which means that unparticle are not detectable below [Formula: see text] Gev.
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