Record link: 
http://hdl.handle.net/20.500.12708/161853
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Title: 
¹⁹⁷Au(𝑛, γ) cross section in the unresolved resonance region
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Citation: 
Lederer, C., Colonna, N., Domingo-Pardo, C., Gunsing, F., Käppeler, F., Massimi, C., Mengoni, A., Wallner, A., Abbondanno, U., Aerts, G., Álvarez, H., Álvarez-Velarde, F., Andriamonje, S., Andrzejewski, J., Assimakopoulos, P., Audouin, L., Badurek, G., Barbagallo, M., Baumann, P., … Wisshak, K. (2011). 197Au(𝑛, γ) cross section in the unresolved resonance region. Physical Review C, 83(034608). https://doi.org/10.1103/physrevc.83.034608
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Publisher DOI: 
10.1103/physrevc.83.034608
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Publication Type: 
Article - Original Research Article
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Language: 
English
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Authors: 
Lederer, C. 
Colonna, N. 
Domingo-Pardo, César 
Gunsing, F. 
Käppeler, F. 
Massimi, C. 
Mengoni, A. 
Wallner, A. 
Abbondanno, U. 
Aerts, G. 
Álvarez, H. 
Álvarez-Velarde, F. 
Andriamonje, S. 
Andrzejewski, J. 
Assimakopoulos, P. 
Audouin, L. 
Badurek, Gerald 
Barbagallo, M. 
Baumann, P. 
Jericha, Erwin 
Leeb, Helmut 
Oberhummer, Heinz 
Pigni, M. T. 
Wisshak, K. 
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Organisational Unit: 
E141-04 - Forschungsbereich Neutron- and Quantum Physics 
E141-03 - Forschungsbereich Nuclear and Particle Physics 
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Journal: 
Physical Review C 
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ISSN: 
2469-9985
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Date (published): 
17-Mar-2011
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Number of Pages: 
11
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Publisher: 
AMER PHYSICAL SOC
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Peer reviewed: 
Yes
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Keywords: 
Nuclear and High Energy Physics; Radiative capture; Neutron spectroscopy; 190 #lt= A #lt= 219
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Abstract: 
The cross section of the reaction ¹⁹⁷Au(n,γ) was measured with the time-of-flight technique at the n TOF (neutron time-of-flight) facility in the unresolved resonance region between 5 and 400 keV using a pair of C₆D₆ (where D denotes ²H) liquid scintillators for the detection of prompt capture γ rays. The results with a total uncertainty of 3.9%-6.7% for a resolution of 20 bins per energy decade show fair agreement with the Evaluated Nuclear Data File Version B-VII.0 (ENDF/B-VII.0), which contains the standard evaluation. The Maxwellian-averaged cross section (MACS) at 30 keV is in excellent agreement with the one according to the ENDF/B-VII.0 evaluation and 4.7% higher than the MACS measured independently by activation technique. Structures in the cross section, which had also been reported earlier, have been interpreted as being due to clusters of resonances.
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Research Areas: 
Quantum Modelling and Simulation: 10%
Modelling and Simulation: 10%
Materials Characterization: 60%
Special and Engineering Materials: 20%
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Science Branch: 
Physik, Mechanik, Astronomie
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