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Isospin effects in the disappearance of flow as a function of colliding geometry

Abstract : We study the effect of isospin degree of freedom on the balance energy (E$_{bal}$) as well as its mass dependence throughout the mass range 48-270 for two sets of isobaric systems with N/Z = 1 and 1.4 at different colliding geometries ranging from central to peripheral ones. Our findings reveal the dominance of Coulomb repulsion in isospin effects on E$_{bal}$ as well as its mass dependence throughout the range of the colliding geometry. Our results also indicate that the effect of symmetry energy and nucleon-nucleon cross section on E$_{bal}$ is uniform throughout the mass range and throughout the colliding geometry. We also present the counter balancing of nucleon-nucleon collisions and mean field by reducing the Coulomb and the counter balancing of Coulomb and mean filed by removing the nucleon-nucleon collisions.
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Submitted on : Tuesday, March 8, 2011 - 3:43:52 PM
Last modification on : Tuesday, March 16, 2021 - 8:32:05 AM

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S. Gautam, A.D. Sood, R.K. Puri, Joerg Aichelin. Isospin effects in the disappearance of flow as a function of colliding geometry. Physical Review C, American Physical Society, 2011, 83, pp.014603. ⟨10.1103/PhysRevC.83.014603⟩. ⟨in2p3-00574662⟩

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