Effects of high-momentum tail of nucleon momentum distribution on initiation of cluster production in heavy-ion collisions at intermediate energies

Abstract

Based on the transport model isospin-dependent Boltzmann-Uehling-Uhlenbeck coupled with a phase-space coalescence afterburner, we studied the effects of the high-momentum tail (HMT) of nucleon momentum distribution in initialization in 197Au+197Au reactions at a beam energy of 400 MeV/nucleon with different impact parameters.We found remarkable impact parameter-dependent HMT effects on the fragment multiplicity distribution. The average neutron to proton ratio of produced isotopes is also affected by the HMT. The rapidity distributions of triton and 3He and their elliptic flows are all evidently affected by the HMT. All the effects of the HMT on the cluster production in heavy-ion collisions are centrality dependent.

arXiv comment5 pages, 6 figures

References in corpus (23)

• Probing Cold Dense Nuclear Matter
• Momentum sharing in imbalanced Fermi systems
• Measurement of 2- and 3-Nucleon Short Range Correlation Probabilities in Nuclei
• Momentum dependence of symmetry potential in asymmetric nuclear matter for transport model calculations
• Tensor Forces and the Ground-State Structure of Nuclei
• Nucleon Effective Masses in Neutron-Rich Matter
• Investigation of Proton-Proton Short-Range Correlations via the 12C(e,e'pp) Reaction
• Light cluster production in intermediate energy heavy-ion collisions induced by neutron-rich nuclei
• Symmetry Energy of Nucleonic Matter With Tensor Correlations
• Density and isospin asymmetry dependence of high-momentum components
• Exclusive Electro-Disintegration of 3He at high Q2: II. Decay Function Formalism
• Isospin emission and flows at high baryon density: a test of the symmetry potential
• Elliptic flow in heavy ion collisions near the balance energy
• Measurement of the 3He(e,e'p)pn reaction at high missing energies and momenta
• Two-Nucleon Momentum Distributions Measured in 3He(e,e'pp)n
• Triton-${}^3$He relative and differential flows as probes of the nuclear symmetry energy at supra-saturation densities
• The interplay of short-range correlations and nuclear symmetry energy in hard photon productions from heavy-ion reactions at Fermi energies
• Cross-checking the symmetry energy at high densities
• Constraining nucleon high momentum in nuclei
• Modeling pion production in heavy-ion collisions at intermediate energies
• Isospin Effect on the Process of Multifragmentation and Dissipation at Intermediate Energy Heavy Ion Collisions
• Probing proton transition momentum in neutron-rich matter
• Effects of the high-momentum tail of nucleon momentum distribution on the isospin-sensitive observables