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Sökning: WFRF:(Dragosavac D.)

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1.
  • Díaz-Cortes, J., et al. (författare)
  • Systematic reduction of the proton-removal cross section in neutron-rich medium-mass nuclei
  • 2020
  • Ingår i: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - : Elsevier BV. - 0370-2693. ; 811
  • Tidskriftsartikel (refereegranskat)abstract
    • Single-neutron and single-proton removal cross sections have been measured for medium-mass neutron-rich nuclei around Z=50 and energies around 1000A MeV using the FRagment Separator (FRS) at GSI. The measured cross sections confirm the relative low values of the proton-removal cross sections, observed since a long time ago and not yet understood. Model calculations considering the knock-out process together with initial- and final-state interactions describe the measured neutron-removal cross sections. Proton-removal cross sections are, however, significantly over-predicted by the same calculations. The observed difference can be explained to a large extent by the knock-out of short-range correlated nucleons from dominant neutron-proton pairs in neutron-rich nuclei.
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2.
  • Morales, A. I., et al. (författare)
  • beta -Delayed gamma -Ray Spectroscopy of Heavy Neutron Rich Nuclei "South" of Lead
  • 2009
  • Ingår i: Acta Physica Polonica B. - 0587-4254. ; 40:3, s. 867-870
  • Konferensbidrag (refereegranskat)abstract
    • Relativistic projectile fragmentation of a Pb-208 primary beam has been used to produce neutron-rich nuclei with proton-holes relative to the Z = 82 shell closure, i.e., "south" of Pb. beta-delayed gamma-ray spectroscopy allows to investigate the structural properties of such nuclei with A similar to 195 -> 205. The current work presents transitions de-exciting excited states in Au-204, which are the first spectroscopic information on this N = 125 isotone.
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3.
  • Perez-Loureiro, D., et al. (författare)
  • Neutron-rich fragments produced by in-flight fission of U 238
  • 2019
  • Ingår i: Physical Review C. - 2469-9993 .- 2469-9985. ; 99:5
  • Tidskriftsartikel (refereegranskat)abstract
    • The production cross sections of neutron-rich fission residues in reactions induced by U238 projectiles at 950A MeV impinging on Pb and Be targets are investigated at the Fragment Separator at GSI. These two targets allow us to investigate fission processes induced by two reaction mechanisms, Coulomb and nuclear excitations, and to study the role of these mechanisms in the neutron excess of the final fragments.
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  • Resultat 1-3 av 3

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