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Nuclear Theory·nucl-th

Monday·October 3, 2022

6 papers—2 primary·4 cross-listed

All6Primary2Cross-lists4
  1. 01

    [Submitted on 29 Sept 2022]

    Collectivity in ultra-peripheral heavy-ion collisions

    Chun Shen🇺🇸 · Wenbin Zhao🇺🇸 · Björn Schenke🇺🇸

    We present full (3+1)D dynamical simulations to study collective behavior in ultra-peripheral nucleus-nucleus collisions (UPC) at the Large Hadron Collider (LHC) with the 3DGlauber+MUSIC+UrQMD framework. By extrapolating from asymmetric p+Pb collisions, we simulate a quasi-real photon interacting with the Pb nucleus in an ultra-peripheral collision at the LHC, assuming strong final-state effects. We study the elliptic flow hierarchy between p+Pb and +Pb collisions, which is dominated by the difference in longitudinal flow decorrelations. Our theoretical framework provides a quantitative tool to study collectivity in small asymmetric collision systems at current and future collider experiments.

    Comments:
    4 pages, 2 figures, Conference Proceedings for Strangeness in Quark Matter 2022
    Subjects:
    Nuclear Theory (nucl-th); High Energy Physics — Phenomenology (hep-ph); Nuclear Experiment (nucl-ex)
    arXiv:
    2209.15065 [pdf]
    EPJ Web Conf.(2023)·3 citations
  2. 02

    [Submitted on 30 Sept 2022]

    Applications of Persistent Homology in Nuclear Collisions

    Greg Hamilton🇺🇸 · Travis Dore🇺🇸 · Christopher Plumberg🇺🇸

    We introduce a novel set of observables associated to the rapidly developing field of persistent homology for the quantitative characterization of nuclear collisions and their evolution. Persistent homology allows for the identification of topological and homological characteristics of distributions in multi-dimensional spaces. We demonstrate here how to apply the toolset of persistent homology to the extraction of novel clustering signatures and the identification of long-range flow correlations in the particle production process of nuclear collisions.

    Subjects:
    Nuclear Theory (nucl-th); Nuclear Experiment (nucl-ex)
    arXiv:
    2209.15480 [pdf]
    PRC(2022)·6 citations

Affiliations

first authorsco-authorsvia INSPIRE