Neutron transfer in the C13+Au197 reaction from gold isotope residuals

Neutron transfer in the C13+Au197 reaction from gold isotope residuals Residual gold nuclei were produced via neutron transfer at multiple energies using a 130-MeV C13 beam incident on a stacked-foil target consisting of alternating layers of Au197 and Al27. Production cross sections, over an energy range of 56 to 129 MeV, for seven gold isotopes and two gold isomers were determined through activation analysis. By using the Wilczyński binary transfer model with a modified version of the recoil formula and a standard evaporation model, we were able to reproduce the isotopic production cross sections at high beam energy, with some disagreement at lower beam energies. This limiting angular momentum model does not predict the transfer of sufficient angular momentum to reproduce the observed isomeric populations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review C American Physical Society (APS)

Neutron transfer in the C13+Au197 reaction from gold isotope residuals

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Neutron transfer in the C13+Au197 reaction from gold isotope residuals

Abstract

Residual gold nuclei were produced via neutron transfer at multiple energies using a 130-MeV C13 beam incident on a stacked-foil target consisting of alternating layers of Au197 and Al27. Production cross sections, over an energy range of 56 to 129 MeV, for seven gold isotopes and two gold isomers were determined through activation analysis. By using the Wilczyński binary transfer model with a modified version of the recoil formula and a standard evaporation model, we were able to reproduce the isotopic production cross sections at high beam energy, with some disagreement at lower beam energies. This limiting angular momentum model does not predict the transfer of sufficient angular momentum to reproduce the observed isomeric populations.
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Publisher
The American Physical Society
Copyright
Copyright © ©2017 American Physical Society
ISSN
0556-2813
eISSN
1089-490X
D.O.I.
10.1103/PhysRevC.96.024602
Publisher site
See Article on Publisher Site

Abstract

Residual gold nuclei were produced via neutron transfer at multiple energies using a 130-MeV C13 beam incident on a stacked-foil target consisting of alternating layers of Au197 and Al27. Production cross sections, over an energy range of 56 to 129 MeV, for seven gold isotopes and two gold isomers were determined through activation analysis. By using the Wilczyński binary transfer model with a modified version of the recoil formula and a standard evaporation model, we were able to reproduce the isotopic production cross sections at high beam energy, with some disagreement at lower beam energies. This limiting angular momentum model does not predict the transfer of sufficient angular momentum to reproduce the observed isomeric populations.

Journal

Physical Review CAmerican Physical Society (APS)

Published: Aug 1, 2017

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