Oblique parameters in gauged baryon and lepton numbers with a 125GeV Higgs
Abstract
In an extension of the standard model where baryon number and lepton number are local gauge symmetries, we analyze the effect of corrections from exotic fermions and scalars on the oblique parameters S,\;T,\;U. Because a light neutral Higgs h0 with mass around 124-126 GeV strongly constrains the corresponding parameter space of this model, we also investigate the gluon fusion process gg→ h0 and two photon decay of lightest neutral Higgs h0→γγ at the Large Hadron Collider.
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