Test of Little Higgs Mechanism at Future Colliders

Details Test of Little Higgs Mechanism at Future Colliders Test of Little Higgs Mechanism at Future Colliders

2012-02-25

arxiv.org/abs/1202.5652v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 6 figures. Proceedings of International Linear Collider Workshop (LCWS11), Sep. 26-30, 2011, Granada, Spain

Scientific paper

In the little higgs scenario, several coupling constants are related to each other to guarantee the stability of the higgs boson mass at one-loop level. This relation is called the little higgs mechanism. We discuss how accurately the relation can be tested at future $e^+e^-$ colliders, with especially focusing on the top sector of the scenario using a method of effective lagrangian. In order to test the mechanism, it is important to measure the Yukawa coupling of the top partner. Higgs associated and threshold productions of the top partner are found to be the best processes for this purpose.

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