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2004•Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fieldsOpen access

Structure of electroweak corrections due to extended gauge symmetries

R. Sekhar Chivukula, Hong-Jian He, Joseph Howard, Elizabeth H. Simmons

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Abstract

This paper studies models with extended electroweak gauge sectors of the form $\mathrm{SU}(2)\ifmmode\times\else\texttimes\fi{}\mathrm{SU}(2)\ifmmode\times\else\texttimes\fi{}U(1)\ifmmode\times\else\texttimes\fi{}[\mathrm{SU}(2)orU(1)].$ We establish the general behavior of corrections to precision electroweak observables in this class of theories and connect our results to previous work on specific models whose electroweak sectors are special cases of our extended group.

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This paper studies models with extended electroweak gauge sectors of the form $\mathrm{SU}(2)\ifmmode\times\else\texttimes\fi{}\mathrm{SU}(2)\ifmmode\times\else\texttimes\fi{}U(1)\ifmmode\times\else\texttimes\fi{}[\mathrm{SU}(2)orU(1)].$ We establish the general behavior of corrections to precision electroweak observables in this class of theories and connect our results to previous work on specific models whose electroweak sectors are special cases of our extended group.

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Available abstract

This paper studies models with extended electroweak gauge sectors of the form $\mathrm{SU}(2)\ifmmode\times\else\texttimes\fi{}\mathrm{SU}(2)\ifmmode\times\else\texttimes\fi{}U(1)\ifmmode\times\else\texttimes\fi{}[\mathrm{SU}(2)orU(1)].$ We establish the general behavior of corrections to precision electroweak observables in this class of theories and connect our results to previous work on specific models whose electroweak sectors are special cases of our extended group.

Key concepts: Electroweak interaction, Technicolor, Observable, Physics, Particle physics, Homogeneous space, Gauge (firearms), Gauge theory

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