Study of the population of neutron-rich heavy nuclei in the A~200 mass region via multinucleon transfer reactions

Abstract : Multineutron and multiproton transfer channels, populated in the inverse kinematics reaction 197Au+130Te at Elab=1.07 GeV, were measured at Laboratori Nazionali di Legnaro using the presently heaviest ion beam delivered by the PIAVE-ALPI accelerator complex and detecting both projectile-like and targetlike ions. To this end the large solid angle magnetic spectrometer PRISMA was coupled to a second arm for the detection of the heavy fragments in kinematic coincidence with the light ones selected and identified with the spectrometer. The data analysis is still in progress and will allow to compare the yields of both light and heavy partner with theoretical predictions performed with the GRAZING code to get quantitative information on transfer channels and the effect of evaporation and fission on the production rate of primary fragments. The mass integrated Z distribution, extracted from the experimental data, evidenced the population of proton pickup channels that, in conjunction with the neutron stripping ones from the 130Te, open the path for the production of neutron-rich heavy nuclei. In the following, we will present some preliminary results as well as details on the experimental configuration and perspectives for future investigations in the neutron-rich heavy region.
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Submitted on : Thursday, June 21, 2018 - 10:32:42 AM
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E. Fioretto, L. Corradi, F. Galtarossa, S. Szilner, D. Montanari, et al.. Study of the population of neutron-rich heavy nuclei in the A~200 mass region via multinucleon transfer reactions. FUSION17 , Feb 2017, Hobart, Australia. pp.00017, ⟨10.1051/epjconf/201716300017⟩. ⟨in2p3-01819948⟩

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