Particle momentum spectra, correlations, and maximum entropy principle in high-multiplicity collision events
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908696285544448 |
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| author | Akkelin, S. V. |
| author_facet | Akkelin, S. V. |
| contents | In this paper, we utilize the maximum entropy prescription to determine a quantum state of a small collision system at the kinetic freeze-out. We derive expressions for multiplicity-selected particle momentum spectra and correlation functions by applying a fixed particle number constraint to this state. The results of our analysis can be useful for interpreting the multiplicity dependence of the particle momentum spectra and correlations in high-multiplicity $pp$ collision events at a fixed LHC energy. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_01822 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Particle momentum spectra, correlations, and maximum entropy principle in high-multiplicity collision events Akkelin, S. V. High Energy Physics - Phenomenology High Energy Physics - Theory Nuclear Theory In this paper, we utilize the maximum entropy prescription to determine a quantum state of a small collision system at the kinetic freeze-out. We derive expressions for multiplicity-selected particle momentum spectra and correlation functions by applying a fixed particle number constraint to this state. The results of our analysis can be useful for interpreting the multiplicity dependence of the particle momentum spectra and correlations in high-multiplicity $pp$ collision events at a fixed LHC energy. |
| title | Particle momentum spectra, correlations, and maximum entropy principle in high-multiplicity collision events |
| topic | High Energy Physics - Phenomenology High Energy Physics - Theory Nuclear Theory |
| url | https://arxiv.org/abs/2510.01822 |