Probing Heavy Higgs Boson Models with a TeV Linear Collider

Details Probing Heavy Higgs Boson Models with a TeV Linear Collider Probing Heavy Higgs Boson Models with a TeV Linear Collider

2002-02-16

arxiv.org/abs/hep-ph/0202162v1

Phys.Rev.D65:115007,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages

Scientific paper

10.1103/PhysRevD.65.115007

The last years have seen a great development in our understanding of particle physics at the weak scale. Precision electroweak observables have played a key role in this process and their values are consistent, within the Standard Model interpretation, with a light Higgs boson with mass lower than about 200 GeV. If new physics were responsible for the mechanism of electroweak symmetry breaking, there would, quite generally, be modifications to this prediction induced by the non-standard contributions to the precision electroweak observables. In this article, we analyze the experimental signatures of a heavy Higgs boson at linear colliders. We show that a linear collider, with center of mass energy \sqrt{s} <= 1 TeV, would be very useful to probe the basic ingredients of well motivated heavy Higgs boson models: a relatively heavy SM-like Higgs, together with either extra scalar or fermionic degrees of freedom, or with the mixing of the third generation quarks with non-standard heavy quark modes.

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