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A self-consistent calculation of non-spherical Bose–Einstein correlation functions with Coulomb final-state interaction.

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Title: A self-consistent calculation of non-spherical Bose–Einstein correlation functions with Coulomb final-state interaction.
Authors: Nagy, Márton I.1 (AUTHOR), Csanád, Máté1 (AUTHOR), Kincses, Dániel1 (AUTHOR) kincses@ttk.elte.hu
Source: European Physical Journal C -- Particles & Fields. May2026, Vol. 86 Issue 5, p1-21. 21p.
Subjects: Bose-Einstein statistics, Electrostatic interaction, Statistical correlation, Source code, Lévy processes, Particle physics
Abstract: 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. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: A self-consistent calculation of non-spherical Bose–Einstein correlation functions with Coulomb final-state interaction.
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  Data: <searchLink fieldCode="AR" term="%22Nagy%2C+Márton+I%2E%22">Nagy, Márton I.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Csanád%2C+Máté%22">Csanád, Máté</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kincses%2C+Dániel%22">Kincses, Dániel</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kincses@ttk.elte.hu</i>
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. May2026, Vol. 86 Issue 5, p1-21. 21p.
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  Data: <searchLink fieldCode="DE" term="%22Bose-Einstein+statistics%22">Bose-Einstein statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Electrostatic+interaction%22">Electrostatic interaction</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+correlation%22">Statistical correlation</searchLink><br /><searchLink fieldCode="DE" term="%22Source+code%22">Source code</searchLink><br /><searchLink fieldCode="DE" term="%22Lévy+processes%22">Lévy processes</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+physics%22">Particle physics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: 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. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1140/epjc/s10052-026-15776-z
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      – Code: eng
        Text: English
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      – SubjectFull: Bose-Einstein statistics
        Type: general
      – SubjectFull: Electrostatic interaction
        Type: general
      – SubjectFull: Statistical correlation
        Type: general
      – SubjectFull: Source code
        Type: general
      – SubjectFull: Lévy processes
        Type: general
      – SubjectFull: Particle physics
        Type: general
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      – TitleFull: A self-consistent calculation of non-spherical Bose–Einstein correlation functions with Coulomb final-state interaction.
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            NameFull: Csanád, Máté
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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            – TitleFull: European Physical Journal C -- Particles & Fields
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