T-parity violation by anomalies

Christopher T. Hill; Richard J. Hill

doi:10.1103/PhysRevD.76.115014

T-parity violation by anomalies

Christopher T. Hill, Richard J. Hill

Physics And Astronomy

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

Little Higgs theories often rely on an internal parity ("T- parity") to suppress nonstandard electroweak effects or to provide a dark matter candidate. We show that such a symmetry is generally broken by anomalies, as described by the Wess-Zumino-Witten term. We study a simple SU(3)×SU(3)/SU(3) Little Higgs scheme where we obtain a minimal form for the topological interactions of a single Higgs field. The results apply to more general models, including [SU(3)×SU(3)/SU(3)]4, SU(5)/SO(5), and SU(6)/Sp(6).

Original language	English
Article number	115014
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	76
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevD.76.115014
State	Published - Dec 27 2007

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.76.115014

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AB - Little Higgs theories often rely on an internal parity ("T- parity") to suppress nonstandard electroweak effects or to provide a dark matter candidate. We show that such a symmetry is generally broken by anomalies, as described by the Wess-Zumino-Witten term. We study a simple SU(3)×SU(3)/SU(3) Little Higgs scheme where we obtain a minimal form for the topological interactions of a single Higgs field. The results apply to more general models, including [SU(3)×SU(3)/SU(3)]4, SU(5)/SO(5), and SU(6)/Sp(6).

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T-parity violation by anomalies

Abstract

ASJC Scopus subject areas

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