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    Reconstructing jet azimuthal anisotropies with cumulants

    Tanner Mengel1,2, Niseem Magdy1,3,4, Ron Belmont5, Anthony Timmins6, and Christine Nattrass1

    Phys. Rev. C 112, 064919 – Published 26 December, 2025

    DOI: https://doi.org/10.1103/k68z-z2xr

    Abstract

    In relativistic heavy-ion collisions, where quark-gluon plasma forms, hadron production is anisotropic at both low and high transverse momentum, driven by flow dynamics and spatial anisotropies. To better understand these mechanisms, we use multiparticle correlations to reconstruct jet anisotropies. We simulate data using tenngen as a hydrolike background and combine it with pythia-8-generated jets, clustering them with the anti-kt algorithm. Jet anisotropies are unfolded using a Bayesian technique, ensuring the robustness of the reconstructed signals. Our results demonstrate that multiparticle cumulant methods can accurately capture the differential jet azimuthal anisotropies, providing crucial insights into high-pT behavior and the dynamics within heavy-ion collisions.

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