75,653 research outputs found

    T-Parity Violation by Anomalies

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    Little Higgs theories often rely on an internal parity ("T-parity'') to suppress non-standard 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) x 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) x SU(3)/SU(3)]^4, SU(5)/SO(5), and SU(6)/Sp(6).Comment: 17 page

    Topcolor and the First Muon Collider (Talk presented at the Workshop on Physics at the First Muon Collider and at the Front End of the Muon Collider, Nov. 1997)

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    We describe a class of models of electroweak symmetry breaking that involves strong dynamics and top quark condensation. A new scheme based upon a seesaw mechanism appears particularly promising. Various implications for the first-stage muon collider are discussed.Comment: 11 pages, no Fig

    Changing Roman Catholic Attitudes Toward Termination of Life-Sustaining Treatments

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    The School Finance Redesign Project: A Synthesis of Project Work to Date

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    Highlights the School Finance Redesign Project's early findings on the funding needed for all students to meet academic standards, promising ideas for focusing funding on promoting learning and rewarding educators, and the current system's constraints
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