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Minimal Conformal Extensions of the Higgs Sector

MPS-Authors
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Helmboldt,  Alexander
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Humbert,  Pascal
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Lindner,  Manfred
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Smirnov,  Juri
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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1603.03603.pdf
(Preprint), 704KB

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Citation

Helmboldt, A., Humbert, P., Lindner, M., & Smirnov, J. (2016). Minimal Conformal Extensions of the Higgs Sector. Retrieved from http://arxiv.org/abs/1603.03603.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002B-B6DE-B
Abstract
In this work we find the minimal extension of the Standard Model's Higgs sector which can lead to a light Higgs boson via radiative symmetry breaking and is consistent with the phenomenological requirements for a low-energy realization of a conformal theory. The model which turns out to be stable under renormalization group translations is an extension of the Standard Model by two scalar fields, one of which acquires a finite vacuum expectation value and therefore mixes into the physical Higgs. We find that the minimal model predicts a sizable amount of mixing which makes it testable at a collider. In addition to the physical Higgs, the theory's scalar spectrum contains one light and one heavy boson. The heavy scalar's properties render it a potential dark matter candidate.