Advancing Tools for Simulation-Based Inference
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866914068492713984 |
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| author | Bahl, Henning Bresó, Victor De Crescenzo, Giovanni Plehn, Tilman |
| author_facet | Bahl, Henning Bresó, Victor De Crescenzo, Giovanni Plehn, Tilman |
| contents | We study the benefit of modern simulation-based inference to constrain particle interactions at the LHC. We explore ways to incorporate known physics structures into likelihood estimation, specifically morphing-aware estimation and derivative learning. Technically, we introduce a new and more efficient smearing algorithm, illustrate how uncertainties can be approximated through repulsive ensembles, and show how equivariant networks can improve likelihood estimation. After illustrating these aspects for a toy model, we target di-boson production at the LHC and find that our improvements significantly increase numerical control and stability. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_07315 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Advancing Tools for Simulation-Based Inference Bahl, Henning Bresó, Victor De Crescenzo, Giovanni Plehn, Tilman High Energy Physics - Phenomenology High Energy Physics - Experiment We study the benefit of modern simulation-based inference to constrain particle interactions at the LHC. We explore ways to incorporate known physics structures into likelihood estimation, specifically morphing-aware estimation and derivative learning. Technically, we introduce a new and more efficient smearing algorithm, illustrate how uncertainties can be approximated through repulsive ensembles, and show how equivariant networks can improve likelihood estimation. After illustrating these aspects for a toy model, we target di-boson production at the LHC and find that our improvements significantly increase numerical control and stability. |
| title | Advancing Tools for Simulation-Based Inference |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2410.07315 |