Ortho-Positronium Three-Photon Decays: Physics Constraints and a Closed-Form Energy Method for Annihilation Vertex Reconstruction
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866911667425640448 |
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| author | Raczyński, L. Krzemień, W. Coussat, A. Bała, M. Hiesmayr, B. C. Klimaszewski, K. Obara, M. Shopa, R. Y. |
| author_facet | Raczyński, L. Krzemień, W. Coussat, A. Bała, M. Hiesmayr, B. C. Klimaszewski, K. Obara, M. Shopa, R. Y. |
| contents | We examine the physical foundations of orthopositronium three-photon decay in the context of annihilation vertex reconstruction, focusing on how energy-momentum conservation constrains the space of physically admissible solutions. Finally, we provide a closed-form analytical derivation of an energy-based vertex reconstruction algorithm. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_09174 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Ortho-Positronium Three-Photon Decays: Physics Constraints and a Closed-Form Energy Method for Annihilation Vertex Reconstruction Raczyński, L. Krzemień, W. Coussat, A. Bała, M. Hiesmayr, B. C. Klimaszewski, K. Obara, M. Shopa, R. Y. High Energy Physics - Phenomenology Instrumentation and Detectors Medical Physics We examine the physical foundations of orthopositronium three-photon decay in the context of annihilation vertex reconstruction, focusing on how energy-momentum conservation constrains the space of physically admissible solutions. Finally, we provide a closed-form analytical derivation of an energy-based vertex reconstruction algorithm. |
| title | Ortho-Positronium Three-Photon Decays: Physics Constraints and a Closed-Form Energy Method for Annihilation Vertex Reconstruction |
| topic | High Energy Physics - Phenomenology Instrumentation and Detectors Medical Physics |
| url | https://arxiv.org/abs/2605.09174 |