Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2008-11-28
Phys.Rev.C78:055802,2008
Physics
Nuclear Physics
Nuclear Experiment
9 pages
Scientific paper
10.1103/PhysRevC.78.055802
The 197Au(gamma,n) reaction is used as an activation standard for photodisintegration studies on astrophysically relevant nuclei. At the bremsstrahlung facility of the superconducting electron accelerator ELBE (Electron Linear accelerator of high Brilliance and low Emittance) of Forschungszentrum Dresden-Rossendorf, photoactivation measurements on 197Au have been performed with bremsstrahlung endpoint energies from 8.0 to 15.5 MeV. The measured activation yield is compared with previous experiments as well as with calculations using Hauser-Feshbach statistical models. It is shown that the experimental data are best described by a two-Lorentzian parametrization with taking the axial deformation of 197Au into account. The experimental 197Au(gamma,n) reaction yield measured at ELBE via the photoactivation method is found to be consistent with previous experimental data using photon scattering or neutron detection methods.
Bemmerer Daniel
Beyer Roland
Erhard Markus
Grosse Eckart
Junghans Arnd R.
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