Measurement of the 197-Au(n,gamma ) cross section at n_TOF, - a step forward towards a new standard for capture cross section measurements
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hdl:2117/10614
Tipus de documentText en actes de congrés
Data publicació2008
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Abstract
The accurate knowledge of the 197Au(n,g ) reaction cross section is of great importance, since this
reaction if often used as a reference in capture cross section measurements relevant to Nuclear
Astrophysics, as well as for neutron flux determination in nuclear power reactors. With the aim
of improving the accuracy of the neutron capture cross section on 197Au, extensive measurements
were performed at the n_TOF facility at CERN with two detection systems: a total absorption
calorimeter and a set of C6D6 detectors. The capture yield and the resonance parameters have
been determined in the energy range from 1 eV to 5 keV and compared with evaluated data
files. The present capture kernels are on average in good agreement with tabulated data, although
sizable differences are observed for several resonances. A few new resonances are also reported.
CitacióCalviño, F. [et al.]. Measurement of the 197-Au(n,gamma ) cross section at n_TOF, - a step forward towards a new standard for capture cross section measurements. A: Nuclei in the Cosmos. "10th Symposium on Nuclei in the Cosmos". Mackinac Island, Michigan: 2008, p. 1-4.
ISBN1824-8039
Versió de l'editorhttp://pos.sissa.it/archive/conferences/053/080/NIC%20X_080.pdf
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