A light Higgs boson would invite supersymmetry
A light Higgs boson would invite supersymmetry
If the Higgs boson weighs about 115 GeV, the effective potential of the Standard Model becomes unstable above a scale ofabout 106 GeV. This instability may be rectified only by new bosonic particles such as stop squarks. However, avoiding theinstability requires fine-tuning of the model couplings, in particular if the theory is not to become non-perturbative before the Planck scale. Such fine-tuning is automatic in a supersymmetric model, but is lost if there are no higgsinos. A light Higgs bosonwould be prima facie evidence for supersymmetry in the top-quark and Higgs sectors.
331-336
Ross, D.A.
eb79bbfe-fb97-4bb3-813c-98f278e5a55f
Ellis, J.R.
a7888522-563f-4330-86e5-c4d8a663d6c6
10 May 2001
Ross, D.A.
eb79bbfe-fb97-4bb3-813c-98f278e5a55f
Ellis, J.R.
a7888522-563f-4330-86e5-c4d8a663d6c6
Abstract
If the Higgs boson weighs about 115 GeV, the effective potential of the Standard Model becomes unstable above a scale ofabout 106 GeV. This instability may be rectified only by new bosonic particles such as stop squarks. However, avoiding theinstability requires fine-tuning of the model couplings, in particular if the theory is not to become non-perturbative before the Planck scale. Such fine-tuning is automatic in a supersymmetric model, but is lost if there are no higgsinos. A light Higgs bosonwould be prima facie evidence for supersymmetry in the top-quark and Higgs sectors.
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Submitted date: 13 December 2000
Published date: 10 May 2001
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Local EPrints ID: 37985
URI: http://eprints.soton.ac.uk/id/eprint/37985
ISSN: 0370-2693
PURE UUID: 1541ff2b-1205-46df-af29-b486bed49b07
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Date deposited: 26 May 2006
Last modified: 15 Mar 2024 08:02
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J.R. Ellis
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