Isospin transport in 84Kr + 112,124Sn collisions at Fermi energies

Abstract : Isotopically resolved fragments with Z<=20 have been studied with high resolution telescopes in a test run for the FAZIA collaboration. The fragments were produced by the collision of a 84Kr beam at 35 MeV/nucleon with a n-rich (124Sn) and a n-poor (112Sn) target. The fragments, detected close to the grazing angle, are mainly emitted from the phase-space region of the projectile. The fragment isotopic content clearly depends on the n-richness of the target and it is a direct evidence of isospin diffusion between projectile and target. The observed enhanced neutron richness of light fragments emitted from the phase-space region close to the center of mass of the system can be interpreted as an effect of isospin drift in the diluted neck region.
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Submitted on : Monday, January 21, 2013 - 9:04:56 AM
Last modification on : Tuesday, February 19, 2019 - 11:16:01 AM

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S. Barlini, S. Piantelli, G. Casini, P.R. Maurenzig, A. Olmi, et al.. Isospin transport in 84Kr + 112,124Sn collisions at Fermi energies. Physical Review C, American Physical Society, 2013, 87, pp.054607. ⟨10.1103/PhysRevC.87.054607⟩. ⟨in2p3-00778551⟩

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