t-channel production of heavy charged leptons
arXiv:hep-ph/0011077 · doi:10.1103/PhysRevD.63.053001
Abstract
We study the pair production of heavy charged exotic leptons at e+ e- colliders in the SU(2)_L x SU(2)_I x U(1)_Y model. This gauge group is a subgroup of the grand unification group E6; SU(2)_I commutes with the electric charge operator, and the three corresponding gauge bosons are electrically neutral. In addition to the standard photon and Z boson contributions, we also include the contributions from extra neutral gauge bosons. A t-channel contribution due to W_I-boson exchange, which is unsuppressed by mixing angles, is quite important. We calculate the left-right and forward-backward asymmetries, and discuss how to differentiate different models.
Increased discussion of experimental signatures. Version accepted by PRD
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- Neutrino Masses in the Effective Rank-5 Subgroups of E_6 II: Supersymmetric Case
- Extra neutral gauge bosons and Higgs bosons in an E_6-based model
- Production of Single Heavy Charged Leptons at a Linear Collider
- Searching for Single Production of Charged Heavy Leptons via Anomalous Interactions at CLIC