Differentiable Multi-scale Effective Field Theory Likelihoods for Beyond the Standard Model Phenomenology
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866917546110746624 |
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| author | Smolkovič, Aleks Stangl, Peter |
| author_facet | Smolkovič, Aleks Stangl, Peter |
| contents | Probing heavy new physics beyond the Standard Model (SM) increasingly relies on global effective field theory (EFT) likelihoods. We introduce differentiable, multi-scale EFT likelihoods that combine renormalization-group evolution, matching, observable predictions, and experimental constraints in a single differentiable framework. This enables modern gradient-based frequentist and Bayesian inference in large parameter spaces. We demonstrate these capabilities in two 374-parameter SMEFT analyses, making basis-independent, fully multi-scale global EFT analyses feasible in practice. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_15801 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Differentiable Multi-scale Effective Field Theory Likelihoods for Beyond the Standard Model Phenomenology Smolkovič, Aleks Stangl, Peter High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice Probing heavy new physics beyond the Standard Model (SM) increasingly relies on global effective field theory (EFT) likelihoods. We introduce differentiable, multi-scale EFT likelihoods that combine renormalization-group evolution, matching, observable predictions, and experimental constraints in a single differentiable framework. This enables modern gradient-based frequentist and Bayesian inference in large parameter spaces. We demonstrate these capabilities in two 374-parameter SMEFT analyses, making basis-independent, fully multi-scale global EFT analyses feasible in practice. |
| title | Differentiable Multi-scale Effective Field Theory Likelihoods for Beyond the Standard Model Phenomenology |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment High Energy Physics - Lattice |
| url | https://arxiv.org/abs/2603.15801 |