Charged Heavy Lepton Production In Superstring Inspired E6 Models

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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65 pages, LaTeX file, 26 figures, also available at http://www.physics.carleton.ca/~boyce/papers/prd96.ps

Scientific paper

10.1103/PhysRevD.55.68

The possibility of studying superstring inspired \mbox{${\rm E}_6$} phenomenology at high energy hadron colliders is investigated. A very simple low energy rank-5 Supersymmetric (N=1) model is considered, which consists of three scalar-Higgses, $H^0_{i=1,2,3}\,$, two charged-Higgses, $H^\pm\,$, one pseudo-scalar-Higgses, $P^0\,$, and an extra vector boson, the $Z^\prime$. The production of charged heavy leptons pairs, $L^+L^-\,$, by gluon-gluon fusion and Drell-Yan mechanisms is discussed. For gluon-gluon fusion an enhancement in the parton level cross-section is expected due to the heavy (s)fermion loops which couple to the gluons. This mechanism is expected to dominate over Drell-Yan for $L^+L^-$ invariant masses above the $Z^\prime$ mass.

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