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Light nuclei production in Au+Au collisions at $\sqrt{s_{NN}}=3$ GeV from coalescence model

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arxiv 2305.02487 v1 pith:ALVVCCGP submitted 2023-05-04 nucl-th

classification nucl-th
keywords coalescencelightnucleicollisionsmodelproductiondeltanucleon
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abstract

The nucleon coalescence model is one of the most popular theoretical models for light nuclei production in high-energy heavy-ion collisions. The production of light nuclei $d$, $t$, $^{3}$He, and $^{4}$He is studied using the transport model JAM with a simplified afterburner coalescence at $\sqrt{s_{NN}}=3$ GeV Au+Au collisions. We scan the cut-off of phenomenological coalescence parameters, the relative spatial distance $\Delta R$ and momentum difference $\Delta P$, for formation of light nuclei by nucleon coalescence to reproduce the light nuclei $p_{\rm T}$ spectra measured by STAR experiment. The results indicate a potential connection between the coalescence parameters and the binding energy as well as the diameter of these light nuclei.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Productions of $^3_{\Lambda}$H, $^4_{\Lambda}$H and $^4_{\Lambda}$He in different coalescence channels in Au-Au collisions at $\sqrt{s_{NN}}=3$ GeV

    nucl-th 2025-04 conditional novelty 5.0 of 10

    The predicted yield ratio of 4ΛHe to 4ΛH is sharply different depending on whether the unconfirmed neutron-lambda bound states 2Λn and 3Λn exist, making this ratio a proposed experimental probe of their existence.

  2. Directed Flow of Protons and Deuterons in Xe+Cs(I) Collisions: Preliminary BM@N Data and THESEUS Modeling

    nucl-ex 2026-08 conditional novelty 4.0 of 10

    Comparing preliminary BM@N proton and deuteron directed flow with THESEUS shows good proton agreement and a slight deuteron overestimation, tentatively supporting thermodynamic light-nucleus formation.

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