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| Format: | Preprint |
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2025
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| Online-Zugang: | https://arxiv.org/abs/2507.11451 |
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| _version_ | 1866909939339886592 |
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| author | Baptista, R. Rocha, L. Q. Pareja, J. M. C. Bhattacharyya, T. Deppman, A. Megias, E. Rybczynski, M. Wilk, G. Wlodarczyk, Z. |
| author_facet | Baptista, R. Rocha, L. Q. Pareja, J. M. C. Bhattacharyya, T. Deppman, A. Megias, E. Rybczynski, M. Wilk, G. Wlodarczyk, Z. |
| contents | This work introduces a novel approach to the nuclear deformation factor $R_{\text{AA}}$, grounded in the dynamical effects of the Quark-Gluon Plasma on parton momentum. The approach uses the Blast-Wave method combined with Tsallis Statistics, within the Cooper-Frye freeze-out framework and, by profiting from appropriate simplifications, it gives analytical expressions that describe the observed $R_{\text{AA}}$ for two sets of independent measurements at $\sqrt{s}=2.76$ TeV and $\sqrt{s}=5.02$ TeV. A nonlinear dynamical equation describes the dynamics and leads to log-periodic oscillations. With the analytical solutions for that equation, it is possible to link the dynamical approach with the complex-$q$ formalism, which was proposed to describe the log-oscillations observed in experimental data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_11451 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Nuclear modification factor within a dynamical approach to the complex entropic index Baptista, R. Rocha, L. Q. Pareja, J. M. C. Bhattacharyya, T. Deppman, A. Megias, E. Rybczynski, M. Wilk, G. Wlodarczyk, Z. High Energy Physics - Phenomenology Nuclear Theory This work introduces a novel approach to the nuclear deformation factor $R_{\text{AA}}$, grounded in the dynamical effects of the Quark-Gluon Plasma on parton momentum. The approach uses the Blast-Wave method combined with Tsallis Statistics, within the Cooper-Frye freeze-out framework and, by profiting from appropriate simplifications, it gives analytical expressions that describe the observed $R_{\text{AA}}$ for two sets of independent measurements at $\sqrt{s}=2.76$ TeV and $\sqrt{s}=5.02$ TeV. A nonlinear dynamical equation describes the dynamics and leads to log-periodic oscillations. With the analytical solutions for that equation, it is possible to link the dynamical approach with the complex-$q$ formalism, which was proposed to describe the log-oscillations observed in experimental data. |
| title | Nuclear modification factor within a dynamical approach to the complex entropic index |
| topic | High Energy Physics - Phenomenology Nuclear Theory |
| url | https://arxiv.org/abs/2507.11451 |