Abstract
The MSSM was introduced in the previous chapter. Of course, supersymmetry must be spontaneously broken to agree with data. In this chapter we discuss the all important point of supersymmetry breaking mechanisms. More about this subject is also presented in later chapters.
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Notes
- 1.
See problem 2.
- 2.
This assumes the one loop correction to the U(1) D-term vanishes.
- 3.
Note, if SUSY is unbroken at the tree level and \(\langle \mathcal{W}\rangle = 0\), then the non-renormalization theorems guarantee that it is still unbroken to any finite order in perturbation theory.
- 4.
See problem 3.
- 5.
Anomaly mediated SUSY breaking will be considered in the context of orbifold SUSY GUTs in Sect. 17.
- 6.
In supergravity Eq. (4.13) receives an important correction, i.e. for a flat Kähler potential it becomes
$$\displaystyle{ \sum _{J}(-1)^{2J}(2J + 1)m_{ J}^{2} = 4m_{ 3/2}^{2}. }$$(4.14)
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Raby, S. (2017). Soft SUSY Breaking Mechanisms. In: Supersymmetric Grand Unified Theories. Lecture Notes in Physics, vol 939. Springer, Cham. https://doi.org/10.1007/978-3-319-55255-2_4
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