A Search for the Fourth SM Family Fermions and E_6 Quarks at ${\mu }^{+}{\mu }^{-}$ Colliders

Abstract

The potential of ${\mu }^{+}{\mu }^{-}$ colliders to investigate the fourth SM family fermions predicted by flavour democracy has been analyzed. It is shown that muon colliders are advantageous for both pair production of fourth family fermions and resonance production of fourth family quarkonia. Also isosinglet quarks production at ${\mu }^{+}{\mu }^{-}$ colliders has been investigated.

9 pages, 5 tables

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