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Light Top Partners for a Light Composite Higgs · Around

2012

Light Top Partners for a Light Composite Higgs

Matsedonskyi, Oleksii, Panico, Giuliano, Wulzer, Andrea

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Anomalously light fermionic partners of the top quark often appear in explicit constructions, such as the 5d holographic models, where the Higgs is a light composite pseudo Nambu-Goldstone boson and its potential is generated radiatively by top quark loops.

We show that this is due to a structural correlation among the mass of the partners and the one of the Higgs boson.
Because of this correlation, the presence of light partners could be essential to obtain a realistic Higgs mass.
We quantitatively confirm this generic prediction, which applies to a broad class of composite Higgs models, by studying the simplest calculable framework with a composite Higgs, the Discrete Composite Higgs Model.

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