Some comments on heavy fermions and leptoquarks

S. Nussinov*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


It is pointed out that if heavy [O(TeV)] fermion generations exist and if the source of their masses is the single doublet of the Glashow-Weinberg-Salam model {with a light [<~O(12 TeV)] physical Higgs} then very tightly bound exotic LQ, LQ, QQ, LL, etc., states may arise marking a dramatic appearance of new physics. In passing there is recalled the phenomenological observation that a discovery of a top quark via its semileptonic decay will practically exclude charged Higgs particles in the mass range mt-mb>~mH+.

Original languageEnglish
Pages (from-to)963-965
Number of pages3
JournalPhysical Review Letters
Issue number12
StatePublished - 1984


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