Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-07-16
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 2 figures. This is a brief review targeted primarily at a non-expert audience
Scientific paper
The LHC will probe the nature of the vacuum that determines the properties of particles and the forces between them. Of particular importance is the fact that our current theories allow the Universe to be trapped in a metastable vacuum, which may decay in the distant future, changing the nature of matter. This could be the case in the Standard Model if the LHC finds the Higgs boson to be light. Supersymmetry is one favoured extension of the Standard Model which one might invoke to try to avoid such instability. However, many supersymmetric models are also condemned to vacuum decay for different reasons. The LHC will be able to distinguish between different supersymmetric models, thereby testing the stability of the vacuum, and foretelling the fate of the Universe.
Abel Steven A.
Ellis John
Jaeckel Joerg
Khoze Valentin V.
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