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

We study the effect of isospin degree of freedom on the balance energy (E{sub 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 d...

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Bibliographic Details
Published in:Physical review. C, Nuclear physics Nuclear physics, 2011-01, Vol.83 (1), Article 014603
Main Authors: Gautam, Sakshi, Sood, Aman D., Puri, Rajeev K., Aichelin, J.
Format: Article
Language:English
Subjects:
BARYON-BARYON INTERACTIONS
BARYONS
COULOMB FIELD
CROSS SECTIONS
DEGREES OF FREEDOM
ELECTRIC FIELDS
ELEMENTARY PARTICLES
ENERGY BALANCE
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
ISOSPIN
MASS
MEAN-FIELD THEORY
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
SYMMETRY
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Summary:We study the effect of isospin degree of freedom on the balance energy (E{sub 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{sub 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{sub bal} is uniform throughout the mass range and throughout the colliding geometry. We also present the counterbalancing of nucleon-nucleon collisions and mean field by reducing the Coulomb and the counterbalancing of Coulomb and mean field by removing the nucleon-nucleon collisions.
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.83.014603