Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-05-11
Phys.Rev. D48 (1993) 5437-5439
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages Latex
Scientific paper
10.1103/PhysRevD.48.5437
If a fourth generation of leptons exists, both the neutrino and its charged partner must be heavier than 45 GeV. We suppose that the neutrino is the heavier of the two, and that a global or discrete symmetry prohibits intergenerational mixing. In that case, non-renormalizable Planck scale interactions will induce a very small mixing; dimension five interactions will lead to a lifetime for the heavy charged lepton of $O(1-100)$ years. Production of such particles is discussed, and it is shown that a few thousands can be produced and collected at a linear collider. The possible uses of these heavy leptons is also briefly discussed.
Goity Jose L.
Kossler W. J.
Sher Marc
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