t-channel production of heavy charged leptons

Details t-channel production of heavy charged leptons t-channel production of heavy charged leptons

2000-11-06

arxiv.org/abs/hep-ph/0011077v2

Phys.Rev.D63:053001,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

Increased discussion of experimental signatures. Version accepted by PRD

Scientific paper

10.1103/PhysRevD.63.053001

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.

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