Directed and elliptic flow of light nuclei and hypernuclei in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>Au</mml:mi> <mml:mo>+</mml:mo> <mml:mi>Au</mml:mi> </mml:mrow> </mml:math> collisions at <mml:math xmlns:mml="h

The harmonic flow coefficients of light nuclei and hypernuclei in $\mathrm{Au}+\mathrm{Au}$ collisions at $\sqrt{{s}_{\mathrm{NN}}}=3$ GeV are investigated using the Ultra-relativistic Quantum Molecular Dynamics transport model. For the equation of state we employ a density- and momentum-dependent potential from the chiral-mean-field model. Light nuclei and hypernuclei production is described at kinetic freeze-out via a coalescence mechanism or with a statistical multifragmentation calculation. The directed flow ${v}_{1}$ of $p$, $d$, $t$, $^{3}\mathrm{He}$, $^{4}\mathrm{He}$, as well as the $\mathrm{\ensuremath{\Lambda}}$, ${}_{\mathrm{\ensuremath{\Lambda}}}^{3}\mathrm{H}$, and ${}_{\mathrm{\ensuremath{\Lambda}}}^{4}\mathrm{H}$, is shown to approximately scale with mass number $A$ of the light cluster in both calculations. This is in agreement with the experimental results for the directed flow measured by STAR. Predictions for the directed and elliptic flow of (hyper)nuclei at further RHIC-FXT and FAIR energies show that the scaling properties should improve as the beam energy is increased.

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Publication Details

Journal
Physical review. C
Published
2025-09-23
DOI
https://doi.org/10.1103/k8h1-hp8q
Primary Topic
High-Energy Particle Collisions Research
Type
article
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article

Directed and elliptic flow of light nuclei and hypernuclei in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>Au</mml:mi> <mml:mo>+</mml:mo> <mml:mi>Au</mml:mi> </mml:mrow> </mml:math> collisions at <mml:math xmlns:mml="h

Karl J. Friston
Physical review. C
High-Energy Particle Collisions Research
article

Directed and elliptic flow of light nuclei and hypernuclei in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>Au</mml:mi> <mml:mo>+</mml:mo> <mml:mi>Au</mml:mi> </mml:mrow> </mml:math> collisions at <mml:math xmlns:mml="h

Karl J. Friston
article en

Abstract

The harmonic flow coefficients of light nuclei and hypernuclei in $\mathrm{Au}+\mathrm{Au}$ collisions at $\sqrt{{s}_{\mathrm{NN}}}=3$ GeV are investigated using the Ultra-relativistic Quantum Molecular Dynamics transport model. For the equation of state we employ a density- and momentum-dependent potential from the chiral-mean-field model. Light nuclei and hypernuclei production is described at kinetic freeze-out via a coalescence mechanism or with a statistical multifragmentation calculation. The directed flow ${v}_{1}$ of $p$, $d$, $t$, $^{3}\mathrm{He}$, $^{4}\mathrm{He}$, as well as the $\mathrm{\ensuremath{\Lambda}}$, ${}_{\mathrm{\ensuremath{\Lambda}}}^{3}\mathrm{H}$, and ${}_{\mathrm{\ensuremath{\Lambda}}}^{4}\mathrm{H}$, is shown to approximately scale with mass number $A$ of the light cluster in both calculations. This is in agreement with the experimental results for the directed flow measured by STAR. Predictions for the directed and elliptic flow of (hyper)nuclei at further RHIC-FXT and FAIR energies show that the scaling properties should improve as the beam energy is increased.

Physical review. CVol. 112(6)
Goethe University Frankfurt (DE), Selçuk University (TR), GSI Helmholtz Centre for Heavy Ion Research (DE), Frankfurt Institute for Advanced Studies (DE), Suranaree University of Technology (TH)
Openalex Percentile: Top 82%
High-Energy Particle Collisions Research
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Directed and elliptic flow of light nuclei and hypernuclei in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>Au</mml:mi> <mml:mo>+</mml:mo> <mml:mi>Au</mml:mi> </mml:mrow> </mml:math> collisions at <mml:math xmlns:mml="h — Karl J. Friston · Physical review. C (2025) | TGRS Research Map | TGRS