Perturbativity and a Fourth Generation in the MSSM
classification
✦ hep-ph
keywords
scaleallowsextensionfourthgenerationmssmperturbativitychiral
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We study an extension of the MSSM with a fourth generation of chiral matter. With this extension no value of $\tb$ allows the theory to stay perturbative up to the GUT scale. We suggest one model with extra vector-like states at the TeV scale that allows perturbativity all the way up to the GUT scale.
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