Mass Dependence of Disappearance of Transverse Flow

Abstract

A complete theoretical study is presented for the disappearance of flow, for the first time, by analyzing 15 reactions with masses between 47 and 476 units. We demonstrate that the effect of nucleon-nucleon cross-section reduces to insignificant level for heavier colliding nuclei in agreement with previous studies. A stiff equation of state with nucleon-nucleon cross-sections of 35-40 mb is able to explain all the measured balance energies within few percent. A power law is also given for the mass dependence of the disappearance of flow which is in excellent agreement with experimental data.

7 pages, 7 figures, Submitted to Phys. Rev. C

References in corpus (4)

• Modelling the many-body dynamics of heavy ion collisions: Present status and future perspective
• Elliptic flow in heavy ion collisions near the balance energy
• Measurements of sideward flow around the balance energy
• Differential flow in heavy-ion collisions at balance energies

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• Momentum Dependence of Nuclear Mean Field and multifragmentation in Heavy-Ion Collisions
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• Model ingredients and peak mass production in heavy-ion collisions
• Influence of density dependent symmetry energy on Elliptical flow
• Role of the mass asymmetry of reaction on the geometry of vanishing flow
• Geometry of vanishing flow: a new probe to determine the in-medium nucleon nucleon cross-section
• Role of colliding geometry on the balance energy of mass-asymmetric systems
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• The study of participant-spectator matter and collision dynamics in heavy-ion collisions
• Multifragmentation at the balance energy of mass asymmetric colliding nuclei
• On the balance energy and nuclear dynamics in peripheral heavy-ion collisions
• N/Z and N/A dependence of balance energy as a probe of symmetry energy in heavy-ion collisions
• The study of multifragmentation around transition energy in intermediate energy heavy-ion collisions
• Mass independence and asymmetry of the reaction: Multi-fragmentation as an example
• Anisotropic distribution of nucleon participating in elliptical flow
• Effect of the density dependent symmetry energy on fragmentation