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Reaction dynamics and nuclear structure of moderately neutron-rich Ne isotopes by heavy-ion reactions

Abstract : The heavy-ion reaction 22Ne+208Pb at 128 MeV beam energy has been studied using the PRISMA-CLARA experimental setup at Legnaro National Laboratories. Elastic, inelastic, and one-nucleon transfer differential cross sections are measured and global agreement is obtained with semiclassical and distorted-wave Born approximation (DWBA) calculations. In particular, the angular distribution of the 2+ state of 22Ne is analyzed by DWBA and a similar calculation is performed for the unstable 24Ne nucleus, using existing data from the reaction 24Ne+208Pb at 182 MeV (measured at SPIRAL with the VAMOS-EXOGAM setup). In both cases the DWBA model gives a good reproduction of the experiment, pointing to a strong reduction of the β2C charge deformation parameter in 24Ne. This follows the trend predicted for the evolution of the quadrupole deformation along the Ne isotopic chain.
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http://hal.in2p3.fr/in2p3-00724027
Contributor : Sophie Heurteau <>
Submitted on : Thursday, August 16, 2012 - 3:46:03 PM
Last modification on : Friday, December 4, 2020 - 9:42:02 AM

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S. Bottoni, G. Benzoni, S. Leoni, D. Montanari, A. Bracco, et al.. Reaction dynamics and nuclear structure of moderately neutron-rich Ne isotopes by heavy-ion reactions. Physical Review C, American Physical Society, 2012, 85, pp.064621. ⟨10.1103/PhysRevC.85.064621⟩. ⟨in2p3-00724027⟩

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