Production of (super)heavy quarkonia and new Higgs physics at hadron colliders
G. A. Kozlov, A. N. Sissakian, J. I. Khubua, G. Arabidze, G. Khoriauli, T. Morii
Abstract
Based on the two Higgs doublet model, we study the effect of Higgs-boson exchange on the (super)heavy quarkonium QQ, which induces a strong attractive force between a (super)heavy quark Q and an antiquark Q. An interesting application is the decay of (super)heavy quarkonia QQ into a Higgs boson associated with gauge bosons. The criterion for making the QQ bound state is studied. We also show that non-perturbative effects due to gluonic field fluctuations are rather small in such a heavy quark sector. Possible enhancement for productions and decays of QQ bound states made from the fourth generation quark Q is discussed for p p (at the Tevatron) and pp (at the LHC) collisions.
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