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Deuteron production in AuAu collisions at $\sqrt{s_{NN}} = 7-200$ GeV via pion catalysis

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arxiv 2009.01915 v2 pith:M4UWKA3O submitted 2020-09-03 hep-ph

classification hep-ph
keywords deuteronsqrttransportauaucollisionsdeuteronsmeasuredproduction
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abstract

We study deuteron production using no-coalescence hydrodynamic + transport simulations of central AuAu collisions at $\sqrt{s_{NN}} = 7 - 200$ GeV. Deuterons are sampled thermally at the transition from hydrodynamics to transport, and interact in transport dominantly via $\pi p n \leftrightarrow \pi d$ reactions. The measured proton, Lambda, and deuteron transverse momentum spectra and yields are reproduced well for all collision energies considered. We further provide a possible explanation for the measured minimum in the energy dependence of the coalescence parameter, $B_2(\sqrt{s_{NN}})$ as well as for the difference between $B_2(d)$ for deuterons and that for anti-deuterons, $B_2(\bar{d})$.

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Cited by 3 Pith papers

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

  1. Wigner Phase-Space Densities of Nuclear Clusters and Hypernuclei

    nucl-th 2025-08 reject novelty 4.0 of 10

    The authors calculate Wigner phase-space densities for clusters from deuteron to double-Lambda hyperhelium using hyperspherical-harmonic solutions of the Schrödinger equation.

  2. Study on the equation-of-state with light clusters and hypernuclei

    nucl-th 2025-09 conditional novelty 1.0 of 10

    A review of transport-model constraints on the nuclear equation of state from flow of protons, light clusters, and hypernuclei, concluding that soft momentum-dependent potentials fit few-GeV data best.

  3. SMASH: Results from hadronic transport for heavy-ion collisions at high densities

    nucl-th 2025-08 unverdicted

    A mini-review of the SMASH hadronic transport approach: setup, light-nucleus production, mean-field EoS constraints, electromagnetic probes, and hybrid hydrodynamics.

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