Combining Evolutionary Strategies and Novelty Detection to go Beyond the Alignment Limit of the $Z_3$ 3HDM
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| Format: | Preprint |
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2024
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| _version_ | 1866917947487813632 |
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| author | Romão, Jorge Crispim Romão, Miguel Crispim |
| author_facet | Romão, Jorge Crispim Romão, Miguel Crispim |
| contents | We present a novel Artificial Intelligence approach for Beyond the Standard Model parameter space scans by augmenting an Evolutionary Strategy with Novelty Detection. Our approach leverages the power of Evolutionary Strategies, previously shown to quickly converge to the valid regions of the parameter space, with a \emph{novelty reward} to continue exploration once converged. Taking the $Z_3$ 3HDM as our Physics case, we show how our methodology allows us to quickly explore highly constrained multidimensional parameter spaces, providing up to eight orders of magnitude higher sampling efficiency when compared with pure random sampling and up to four orders of magnitude when compared to random sampling around the alignment limit. In turn, this enables us to explore regions of the parameter space that have been hitherto overlooked, leading to the possibility of novel phenomenological realisations of the $Z_3$ 3HDM that had not been considered before. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2402_07661 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Combining Evolutionary Strategies and Novelty Detection to go Beyond the Alignment Limit of the $Z_3$ 3HDM Romão, Jorge Crispim Romão, Miguel Crispim High Energy Physics - Phenomenology Computational Physics Data Analysis, Statistics and Probability We present a novel Artificial Intelligence approach for Beyond the Standard Model parameter space scans by augmenting an Evolutionary Strategy with Novelty Detection. Our approach leverages the power of Evolutionary Strategies, previously shown to quickly converge to the valid regions of the parameter space, with a \emph{novelty reward} to continue exploration once converged. Taking the $Z_3$ 3HDM as our Physics case, we show how our methodology allows us to quickly explore highly constrained multidimensional parameter spaces, providing up to eight orders of magnitude higher sampling efficiency when compared with pure random sampling and up to four orders of magnitude when compared to random sampling around the alignment limit. In turn, this enables us to explore regions of the parameter space that have been hitherto overlooked, leading to the possibility of novel phenomenological realisations of the $Z_3$ 3HDM that had not been considered before. |
| title | Combining Evolutionary Strategies and Novelty Detection to go Beyond the Alignment Limit of the $Z_3$ 3HDM |
| topic | High Energy Physics - Phenomenology Computational Physics Data Analysis, Statistics and Probability |
| url | https://arxiv.org/abs/2402.07661 |