Confronting MSSM flat direction inflation with Planck/BICEP data
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
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2024
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| author | Haba, Naoyuki Shimizu, Yasuhiro Tanabe, Yoshihiro Yamada, Toshifumi |
| author_facet | Haba, Naoyuki Shimizu, Yasuhiro Tanabe, Yoshihiro Yamada, Toshifumi |
| contents | We study the scenario of inflection point inflation where a flat direction of the minimal supersymmetric standard model (MSSM) is identified with the inflaton. Specifically, we consider in full generality the cases where a MSSM flat direction is lifted by a higher-dimensional superpotential whose dimension is n = 4, 5, 6, 7, 9. We confront the inflection point inflation scenarios with various n with the Planck and BICEP data, and thereby constrain the soft SUSY breaking mass and the coefficient of the higher-dimensional operator that lifts the flat direction. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_00918 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Confronting MSSM flat direction inflation with Planck/BICEP data Haba, Naoyuki Shimizu, Yasuhiro Tanabe, Yoshihiro Yamada, Toshifumi High Energy Physics - Phenomenology We study the scenario of inflection point inflation where a flat direction of the minimal supersymmetric standard model (MSSM) is identified with the inflaton. Specifically, we consider in full generality the cases where a MSSM flat direction is lifted by a higher-dimensional superpotential whose dimension is n = 4, 5, 6, 7, 9. We confront the inflection point inflation scenarios with various n with the Planck and BICEP data, and thereby constrain the soft SUSY breaking mass and the coefficient of the higher-dimensional operator that lifts the flat direction. |
| title | Confronting MSSM flat direction inflation with Planck/BICEP data |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2405.00918 |