Effects of sub-nucleonic fluctuations on the longitudinal structure of heavy-ion collisions
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908293596708864 |
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| author | Garcia-Montero, Oscar Schlichting, Sören Zhu, Jie |
| author_facet | Garcia-Montero, Oscar Schlichting, Sören Zhu, Jie |
| contents | Sub-nuclear fluctuations in the initial state of heavy-ion collisions impact not only transverse long-range correlations of small systems, but also the creation of longitudinal structures, seen in particle detectors as longitudinal decorrelation observables. In this work, we study the emergence of long-range rapidity correlations in nuclear collisions based on the 3D resolved McDIPPER initial state model, and for the first time, connect it to experimental observables using the 3+1D viscous hydrodynamics framework CLVisc. We include different sources of fluctuations at the nucleon and subnucleon level and study the effects of these additional fluctuation sources on the longitudinal structure of relevant observables, such as the flow decorrelations and directed flow. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_14872 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Effects of sub-nucleonic fluctuations on the longitudinal structure of heavy-ion collisions Garcia-Montero, Oscar Schlichting, Sören Zhu, Jie Nuclear Theory High Energy Physics - Phenomenology Sub-nuclear fluctuations in the initial state of heavy-ion collisions impact not only transverse long-range correlations of small systems, but also the creation of longitudinal structures, seen in particle detectors as longitudinal decorrelation observables. In this work, we study the emergence of long-range rapidity correlations in nuclear collisions based on the 3D resolved McDIPPER initial state model, and for the first time, connect it to experimental observables using the 3+1D viscous hydrodynamics framework CLVisc. We include different sources of fluctuations at the nucleon and subnucleon level and study the effects of these additional fluctuation sources on the longitudinal structure of relevant observables, such as the flow decorrelations and directed flow. |
| title | Effects of sub-nucleonic fluctuations on the longitudinal structure of heavy-ion collisions |
| topic | Nuclear Theory High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2501.14872 |