A novel approach to determine photon polarization at collider experiments
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Acceso en línea: | |
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| _version_ | 1866917231196110848 |
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| author | Lv, Xiao-Rong Liang, Yu-Tie Gou, Boxing Lin, Chuang-Xin Guo, Ai-Qiang |
| author_facet | Lv, Xiao-Rong Liang, Yu-Tie Gou, Boxing Lin, Chuang-Xin Guo, Ai-Qiang |
| contents | The polarization of final-state photons is a critical observable for probing the fundamental mechanisms of particle and nuclear interactions, providing insights into spin and parity structure that are inaccessible through cross-section measurements alone. However, this observable remains largely unexplored in collider experiments, as general-purpose spectrometers traditionally lack the capability to measure it. This paper proposes a novel technique to integrate photon polarimeter function into such a spectrometer without compromising the spectrometer's conventional performance. Key factors to enhance the polarimeter capability are investigated. This successful integration represents the first implementation of a photon polarimeter within a general-purpose spectrometer, establishing a valuable benchmark for the existing and future experiments. The ability to concurrently measure spin polarization and four-momentum data opens a new dimension for analysis, promising a more profound understanding of the underlying physics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_21325 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A novel approach to determine photon polarization at collider experiments Lv, Xiao-Rong Liang, Yu-Tie Gou, Boxing Lin, Chuang-Xin Guo, Ai-Qiang High Energy Physics - Experiment The polarization of final-state photons is a critical observable for probing the fundamental mechanisms of particle and nuclear interactions, providing insights into spin and parity structure that are inaccessible through cross-section measurements alone. However, this observable remains largely unexplored in collider experiments, as general-purpose spectrometers traditionally lack the capability to measure it. This paper proposes a novel technique to integrate photon polarimeter function into such a spectrometer without compromising the spectrometer's conventional performance. Key factors to enhance the polarimeter capability are investigated. This successful integration represents the first implementation of a photon polarimeter within a general-purpose spectrometer, establishing a valuable benchmark for the existing and future experiments. The ability to concurrently measure spin polarization and four-momentum data opens a new dimension for analysis, promising a more profound understanding of the underlying physics. |
| title | A novel approach to determine photon polarization at collider experiments |
| topic | High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2601.21325 |