A self-consistent calculation of non-spherical Bose-Einstein correlation functions with Coulomb final-state interaction
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866917529590431744 |
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| author | Nagy, Márton I. Csanád, Máté Kincses, Dániel |
| author_facet | Nagy, Márton I. Csanád, Máté Kincses, Dániel |
| contents | Particle correlations and femtoscopy are a rich subfield of high-energy physics. As the experimental data become more precise, there is an increasing need for the theoretical calculations to provide better and more general descriptions of the measurements. One of the important new directions is the investigation of the precise shape of the Bose-Einstein correlation functions utilizing Lévy-stable distributions. This work is a direct follow-up to our previous study, in which we developed a novel method for calculating Bose-Einstein correlation functions including the Coulomb final-state interaction. In this paper, we present a self-consistent generalization of the previous approach to non-spherical source functions and investigate the validity of the previously applied approximations assuming spherical symmetry. We present a software package that includes the calculation of a fully three-dimensional correlation function including the Coulomb interaction. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_19626 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A self-consistent calculation of non-spherical Bose-Einstein correlation functions with Coulomb final-state interaction Nagy, Márton I. Csanád, Máté Kincses, Dániel Nuclear Theory High Energy Physics - Phenomenology High Energy Physics - Theory Particle correlations and femtoscopy are a rich subfield of high-energy physics. As the experimental data become more precise, there is an increasing need for the theoretical calculations to provide better and more general descriptions of the measurements. One of the important new directions is the investigation of the precise shape of the Bose-Einstein correlation functions utilizing Lévy-stable distributions. This work is a direct follow-up to our previous study, in which we developed a novel method for calculating Bose-Einstein correlation functions including the Coulomb final-state interaction. In this paper, we present a self-consistent generalization of the previous approach to non-spherical source functions and investigate the validity of the previously applied approximations assuming spherical symmetry. We present a software package that includes the calculation of a fully three-dimensional correlation function including the Coulomb interaction. |
| title | A self-consistent calculation of non-spherical Bose-Einstein correlation functions with Coulomb final-state interaction |
| topic | Nuclear Theory High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2601.19626 |