The Vacuum Moduli Space of the Minimal Supersymmetric Standard Model
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866909650309349376 |
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| author | He, Yang-Hui Jejjala, Vishnu Nelson, Brent D. Schenck, Hal Stillman, Michael |
| author_facet | He, Yang-Hui Jejjala, Vishnu Nelson, Brent D. Schenck, Hal Stillman, Michael |
| contents | A starting point in the study of the minimal supersymmetric Standard Model (MSSM) is the vacuum moduli space, which is a highly complicated algebraic variety: it is the image of an affine variety $X \subset \mathbb{C}^{49}$ under a symplectic quotient map $ϕ$ to $\mathbb{C}^{973}$. Previous work computed the vacuum moduli space of the electroweak sector; geometrically this corresponds to studying a restriction of $ϕ$: $\mathbb{C}^{13} \stackrel{ϕ^{\texttt{res}}}{\longrightarrow} \mathbb{C}^{22}$. We analyze the geometry of the full vacuum moduli space for superpotentials $W_{\rm minimal}$ (without neutrinos) and $W_{\rm MSSM}$ (with neutrinos) in $\mathbb{C}^{973}$. In both cases, we prove that $X$ consists of three irreducible components $X_1$, $X_2$, and $X_3$, and determine the images $M_i$ of the $X_i$ under $ϕ$. For $W_{\rm minimal}$ we show they have, respectively, dimensions $1$, $15$, and $29$, and prove that each of the $M_i$ is a rational variety, while for $W_{\rm MSSM}$ we show that $M_3$ is the only component. Restricting the $M_i$ to the electroweak sector, we recover known results. We describe the components of the vacuum moduli space geometrically in terms of incidence varieties to a product of Segre varieties. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2506_13868 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Vacuum Moduli Space of the Minimal Supersymmetric Standard Model He, Yang-Hui Jejjala, Vishnu Nelson, Brent D. Schenck, Hal Stillman, Michael High Energy Physics - Theory High Energy Physics - Phenomenology Algebraic Geometry A starting point in the study of the minimal supersymmetric Standard Model (MSSM) is the vacuum moduli space, which is a highly complicated algebraic variety: it is the image of an affine variety $X \subset \mathbb{C}^{49}$ under a symplectic quotient map $ϕ$ to $\mathbb{C}^{973}$. Previous work computed the vacuum moduli space of the electroweak sector; geometrically this corresponds to studying a restriction of $ϕ$: $\mathbb{C}^{13} \stackrel{ϕ^{\texttt{res}}}{\longrightarrow} \mathbb{C}^{22}$. We analyze the geometry of the full vacuum moduli space for superpotentials $W_{\rm minimal}$ (without neutrinos) and $W_{\rm MSSM}$ (with neutrinos) in $\mathbb{C}^{973}$. In both cases, we prove that $X$ consists of three irreducible components $X_1$, $X_2$, and $X_3$, and determine the images $M_i$ of the $X_i$ under $ϕ$. For $W_{\rm minimal}$ we show they have, respectively, dimensions $1$, $15$, and $29$, and prove that each of the $M_i$ is a rational variety, while for $W_{\rm MSSM}$ we show that $M_3$ is the only component. Restricting the $M_i$ to the electroweak sector, we recover known results. We describe the components of the vacuum moduli space geometrically in terms of incidence varieties to a product of Segre varieties. |
| title | The Vacuum Moduli Space of the Minimal Supersymmetric Standard Model |
| topic | High Energy Physics - Theory High Energy Physics - Phenomenology Algebraic Geometry |
| url | https://arxiv.org/abs/2506.13868 |