An AI-based Detector Simulation and Reconstruction Model for the ALEPH Experiment at LEP
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866918443687608320 |
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| author | Lo, Ya-Feng Kobylianskii, Dmitrii Nachman, Benjamin |
| author_facet | Lo, Ya-Feng Kobylianskii, Dmitrii Nachman, Benjamin |
| contents | We present the application of Parnassus, a generative model for full detector simulation and reconstruction, to the ALEPH detector at the Large Electron-Positron Collider (LEP). Training on simulated $e^+e^-$ to Z to qqbar events processed through the ALEPH detector simulation and reconstruction, we demonstrate that Parnassus faithfully reproduces the detector response at the event, jet, and particle levels. The clean $e^+e^-$ environment, free of pileup and characterized by simple event topologies, provides a well-controlled benchmark for evaluating the generative model's fidelity. Our results demonstrate that modern neural-network-based generative simulation approaches, developed primarily for LHC experiments, generalize naturally to historical collider experiments with distinct detector geometries and physics environments. This work shows that Parnassus can be applied beyond the LHC context and serves as an important tool for legacy data analysis where archival software tools are challenging to resurrect. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_11834 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | An AI-based Detector Simulation and Reconstruction Model for the ALEPH Experiment at LEP Lo, Ya-Feng Kobylianskii, Dmitrii Nachman, Benjamin Instrumentation and Detectors High Energy Physics - Experiment High Energy Physics - Phenomenology We present the application of Parnassus, a generative model for full detector simulation and reconstruction, to the ALEPH detector at the Large Electron-Positron Collider (LEP). Training on simulated $e^+e^-$ to Z to qqbar events processed through the ALEPH detector simulation and reconstruction, we demonstrate that Parnassus faithfully reproduces the detector response at the event, jet, and particle levels. The clean $e^+e^-$ environment, free of pileup and characterized by simple event topologies, provides a well-controlled benchmark for evaluating the generative model's fidelity. Our results demonstrate that modern neural-network-based generative simulation approaches, developed primarily for LHC experiments, generalize naturally to historical collider experiments with distinct detector geometries and physics environments. This work shows that Parnassus can be applied beyond the LHC context and serves as an important tool for legacy data analysis where archival software tools are challenging to resurrect. |
| title | An AI-based Detector Simulation and Reconstruction Model for the ALEPH Experiment at LEP |
| topic | Instrumentation and Detectors High Energy Physics - Experiment High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2604.11834 |