A vanishing cosmological constant in elementary particle theory

Details A vanishing cosmological constant in elementary particle theory A vanishing cosmological constant in elementary particle theory

1997-01-16

arxiv.org/abs/hep-ph/9701310v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, Revtex 3.0, no figures

Scientific paper

The quest of a vanishing cosmological constant is considered in the simplest anomaly-free chiral gauge extension of the electroweak standard model where the new physics is limited to a well defined additional flavordynamics above the Fermi scale, namely up to a few TeVs by matching the gauge coupling constants at the electroweak scale, and with an extended scalarland. In contrast to the electroweak standard model, it is shown how the extended scalar sector of the theory allows a vanishing or a very small cosmological constant. The details of the cancellation mechanism are presented. At accessible energies the theory is indistinguishable from the standard model of elementary particles and it is in agreement with all existing data.

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