Nucleon-number scalings of anisotropic flows and nuclear modification factor for light nuclei in the squeeze-out region

Abstract

The number of nucleon (NN) scaling of the directed flow $v_1$ and elliptic flow ($v_2$) as well as the nuclear modification factor ($R_{cp}$) are tested for light nuclei which are produced in 0.4$A$ GeV ${}^{197}Au{+}^{197}Au$ collisions at different impact parameters with two different in-medium nucleon-nucleon cross sections in the framework of an isospin-dependent quantum molecular dynamics (IQMD) model. In that energy domain, the emission of light nuclei can be well described by the squeeze-out phenonomenon. The results show a nice NN scaling behavior for flow parameters $v_1$, $v_2$ and $R_{cp}$. These results demonstrate that the nucleon coalescence mechanism is responsible for nucleon-number scaling of above physical observables in squeeze-out region in heavy-ion collisions at intermediate energy.

arXiv comment8 pages, 6 figures

References in corpus (31)

• Experimental and Theoretical Challenges in the Search for the Quark Gluon Plasma: The STAR Collaboration's Critical Assessment of the Evidence from RHIC Collisions
• Recent Progress and New Challenges in Isospin Physics with Heavy-Ion Reactions
• Evidence from d+Au measurements for final-state suppression of high $p_T$ hadrons in Au+Au collisions at RHIC
• Anisotropic transverse flow and the quark-hadron phase transition
• Modelling the many-body dynamics of heavy ion collisions: Present status and future perspective
• Lattice Results on QCD Thermodynamics
• Anisotropic flow
• Disappearance of Elliptic Flow: A New Probe for the Nuclear Equation of State
• Elliptic flow from a parton cascade
• Nuclear Flow Excitation Function
• Nuclear Clusters as a Probe for Expansion Flow in Heavy Ion Reactions at 10-15AGeV
• Light clusters production as a probe to the nuclear symmetry energy
• $\varphi$ and $\Omega$ production in relativistic heavy ion collisions in a dynamical quark coalescence model
• Directed and elliptic flow in Au + Au at intermediate energies
• Light (anti-)nuclei production and flow in relativistic heavy-ion collisions
• An unusual space-time evolution for heavy ion collisions at high energies due to the QCD phase transition
• Scaling of Anisotropic Flow and Momentum-Space Densities for Light Particles in Intermediate Energy Heavy Ion Collisions
• Probing Parton Dynamics of QCD Matter with $\Omega$ and $\varphi$ Production
• How tightly is nuclear symmetry energy constrained by unitary Fermi gas?
• Surveying the Nucleon-Nucleon Momentum Correlation Function in the Framework of Quantum Molecular Dynamics Model
• Production of multistrange hadrons, light nuclei and hypertriton in central Au+Au collisions at $\sqrt{s_{NN}}=$ 11.5 and 200 GeV
• Elliptic flow of deuterons in relativistic heavy-ion collisions
• Breaking of the number-of-constituent-quark scaling for identified-particle elliptic flow as a signal of phase change in low-energy data taken at the BNL Relativistic Heavy Ion Collider (RHIC)
• Scaling of anisotropy flows in intermediate energy heavy ion collisions
• Effect of initial fluctuations on the collective flow in intermediate-energy heavy ion collisions
• Cronin effect for protons and pions in pA collisions
• Nuclear modification factor in intermediate-energy heavy-ion collisions
• Energy and Centrality Dependence of Chemical Freeze-out Thermodynamics parameters
• Scaling of nuclear modification factors for hadrons and light nuclei
• Nuclear medium effect on nuclear modification factor of protons and pions in intermediate-energy heavy ion collisions
• Mach-like emission from nucleon scattering in proton-nucleus reaction

Cited by in corpus (3)

• Event plane determination from Zero Degree Calorimeter at the Cooling-Storage-Ring External-target Experiment
• Collision centrality and system size dependences of light nuclei production via dynamical coalescence mechanism
• Production characteristics of light nuclei, hypertritons and $\Omega$-hypernuclei in Pb+Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV