Nuclear Theory
[Submitted on 6 Aug 2025 (v1), last revised 1 Nov 2025 (this version, v2)]
Title:Mode-by-mode evolution of Pb-Pb collisions at 5.02 TeV in a hybrid model
View PDF HTML (experimental)Abstract:We determine the average state and the uncorrelated modes that characterize the event-by-event fluctuations of the initial state in two typical centrality classes of Pb-Pb collisions at 5.02 TeV. We find that modes in a narrow central bin are similar to those in events at fixed vanishing impact parameter, while those in a mid-peripheral centrality class are affected by the impact-parameter variation. We study how each fluctuation mode affects observables both in the initial state and in the final state of the collisions, at the end of a state-of-the-art boost-invariant hybrid evolution with KoMPoST + MUSIC + iSS + SMASH, and show that implementing a hadronic transport cascade in such a mode-by-mode analysis with reasonable statistical noise is costly but feasible.
Submission history
From: Nicolas Borghini [view email][v1] Wed, 6 Aug 2025 14:58:43 UTC (9,893 KB)
[v2] Sat, 1 Nov 2025 15:02:36 UTC (9,893 KB)
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Ancillary files (details):
- Fig10_LinearResponse_FS_30-40.dat
- Fig11_QuadraticResponse_FS_30-40.dat
- Fig12_cl_distribution.dat
- Fig13_correlation_clcm.dat
- Fig16_modes_opticalGlauber_0_2p5.dat
- Fig17_modes_opticalGlauber_30_40.dat
- Fig18_LinearResponses_opticalGlauber.dat
- Fig1_AvgState_0_2p5.dat
- Fig1_AvgState_30_40.dat
- Fig2_weights.dat
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