The Zr-92(n,gamma) reaction and its implications for stellar nucleosynthesis
The Zr-92(n,gamma) reaction and its implications for stellar nucleosynthesis
Because the relatively small neutron capture cross sections of the zirconium isotopes are difficult to measure, the results of previous measurements are often not adequate for a number of problems in astrophysics and nuclear technology. Therefore, the (92)Zr(n,gamma) cross section has been remeasured at the CERN n_TOF facility, providing a set of improved parameters for 44 resonances in the neutron energy range up to 40 keV. With this information the cross-section uncertainties in the keV region could be reduced to 5% as required for s-process nucleosynthesis studies and technological applications.
This work was supported by the EC under Contract No. FIKW-CT-2000-00107 and by the funding agencies of the participating institutes.
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