Modeling of van-der-Meer scan at NICA
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911310274363392 |
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| author | Babaev, Anton |
| author_facet | Babaev, Anton |
| contents | Van-der-Meer method is used in hadron colliders for absolute luminosity calibration. In the letter the applicability of the method is discussed when particles desnsity is distorted by hour-glass effect next to interaction point. The study is motivated by close commisioning of Nuclotron based Ion Collider fAcility where hour-glass effected is significant by design. The theoretical van-der-Meer formalism is revised for this case. Importance of hour-glass effect for luminosity measurements and calibration is demonstrated. Also, the general approach to the estimation of van-der-Meer method bias when it is used for non-factorizable beams is proposed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_08605 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Modeling of van-der-Meer scan at NICA Babaev, Anton Accelerator Physics Van-der-Meer method is used in hadron colliders for absolute luminosity calibration. In the letter the applicability of the method is discussed when particles desnsity is distorted by hour-glass effect next to interaction point. The study is motivated by close commisioning of Nuclotron based Ion Collider fAcility where hour-glass effected is significant by design. The theoretical van-der-Meer formalism is revised for this case. Importance of hour-glass effect for luminosity measurements and calibration is demonstrated. Also, the general approach to the estimation of van-der-Meer method bias when it is used for non-factorizable beams is proposed. |
| title | Modeling of van-der-Meer scan at NICA |
| topic | Accelerator Physics |
| url | https://arxiv.org/abs/2512.08605 |