Abstract
This introductory chapter introduces the “Standard Model” of particle physics, including its achievements and outstanding problems/issues. It then goes on to discuss the most promising “Beyond Standard Model” possibilities to resolve these issues, focusing on and discussing Supersymmetry and Effective Field Theories. It concludes by explaining the plan for the rest of the thesis.
The original version of this chapter was revised: For detailed information please see Erratum. The erratum to this chapter is available at 10.1007/978-3-319-43452-0_7.
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Notes
- 1.
The value of \(\alpha _\mathrm{em}\) is set by a measurement of the anomalous magnetic moment of the electron, which allows a prediction of the Rydberg constant which matches experiment to 11 significant figures.
- 2.
There are 19 free parameters if we include the QCD CP violating term responsible for the strong CP problem, and exclude neutrino masses and mixing.
- 3.
The supermultiplets also contain an auxiliary field which is required to ensure the SUSY algebra closes off-shell. However these can be eliminated from the Lagrangian by using the equations of motion to rewrite them in terms of the other fields.
- 4.
The minimum particle content of a realistic SUSY model is actually more than this as discussed in Sect. 1.3.2 on the Minimal Supersymmetric Standard Model (MSSM).
- 5.
This is discussed further in Sect. 4.2.
- 6.
The reason that this anomaly cancellation must occur can be seen by noting that the second Higgs doublet has the quantum numbers of the conjugate of the first Higgs doublet. Therefore its introduction is analogous to introducing the conjugate of the first Higgs, making their combination a real representation of its Lie groups, which therefore must be anomaly free.
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Thomas, M.C. (2016). Introduction. In: Beyond Standard Model Collider Phenomenology of Higgs Physics and Supersymmetry. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-43452-0_1
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