CERN Accelerating science

Article
Title	$^{197}$Au($n,\gamma$) cross section in the unresolved resonance region
Author(s)	Lederer, C. (Vienna U.) ; Colonna, N (INFN, Bari) ; Domingo-Pardo, C (CSIC, Catalunya) ; Gunsing, F (DAPNIA, Saclay) ; Kappeler, F (Karlsruhe, Inst. Technol.) ; Massimi, C. (INFN, Bologna ; Bologna U.) ; Mengoni, A. (CERN ; IAEA, Vienna) ; Wallner, A. (Vienna U.) ; Abbondanno, U. (INFN, Trieste) ; Aerts, G. (DAPNIA, Saclay) ; Alvarez, H. (Santiago de Compostela U.) ; Alvarez-Velarde, F. (Madrid, CIEMAT) ; Andriamonje, S. (DAPNIA, Saclay) ; Andrzejewski, J. (Lodz U.) ; Assimakopoulos, P. (Ioannina U.) ; Audouin, L. (Orsay, IPN) ; Badurek, G. (Vienna, Tech. U.) ; Barbagallo, M. (INFN, Bari) ; Baumann, P. (Strasbourg, IReS) ; Becvar, F. (Charles U.) ; Belloni, F. (INFN, Trieste) ; Berthoumieux, E. (DAPNIA, Saclay) ; Calviani, M. (CERN) ; Calvino, F. (Madrid, Polytechnic U.) ; Cano-Ott, D. (Madrid, CIEMAT) ; Capote, R. (Seville U. ; IAEA, Vienna) ; Carrapico, C. (DAPNIA, Saclay ; ITN, Sacavem ; Sao Paulo, Inst. Tech. Aeronautics) ; Carrillo de Albornoz, A. (ITN, Sacavem ; Sao Paulo, Inst. Tech. Aeronautics) ; Cennini, P. (CERN) ; Chepel, V. (LIP, Coimbra ; LIP, Coimbra) ; Chiaveri, E. (CERN) ; Cortes, G. (Barcelona, Polytechnic U.) ; Couture, A. (Notre Dame U.) ; Cox, J. (Notre Dame U.) ; Dahlfors, M. (CERN) ; David, S. (Orsay, IPN) ; Dillmann, I. (Karlsruhe, Inst. Technol.) ; Dolfini, R. (Pavia U.) ; Dridi, W. (DAPNIA, Saclay) ; Duran, I. (Santiago de Compostela U.) ; Eleftheriadis, C. (Aristotle U., Thessaloniki) ; Embid-Segura, M. (Madrid, CIEMAT) ; Ferrant, L. (Orsay, IPN) ; Ferrari, A. (CERN) ; Ferreira-Marques, R. (LIP, Coimbra ; LIP, Coimbra) ; Fitzpatrick, L. (CERN) ; Frais-Koelbl, H. (IAEA, Vienna) ; Fujii, K. (INFN, Trieste) ; Furman, W. (Dubna, JINR) ; Goncalves, I. (LIP, Coimbra ; LIP, Coimbra) ; Gonzalez-Romero, E. (Madrid, CIEMAT) ; Goverdovski, A. (Obninsk, Inst. Phys. Power Eng.) ; Gramegna, F. (INFN, Legnaro) ; Griesmayer, E. (IAEA, Vienna) ; Guerrero, C. (Madrid, CIEMAT) ; Haas, B. (CENBG, Gradignan) ; Haight, R. (Los Alamos) ; Heil, M. (Darmstadt, GSI) ; Herrera-Martinez, A. (CERN) ; Igashira, M. (Tokyo Inst. Tech.) ; Isaev, S. (Orsay, IPN) ; Jericha, E. (Vienna, Tech. U.) ; Kadi, Y. (CERN) ; Karadimos, D. (Ioannina U.) ; Karamanis, D. (Ioannina U.) ; Kerveno, M. (Strasbourg, IReS) ; Ketlerov, V. (Dubna, JINR) ; Koehler, P. (Oak Ridge) ; Konovalov, V. (Aristotle U., Thessaloniki) ; Kossionides, E. (Democritos Nucl. Res. Ctr.) ; Krticka, M. (Charles U.) ; Lampoudis, C. (DAPNIA, Saclay ; Aristotle U., Thessaloniki) ; Leeb, H. (Vienna, Tech. U.) ; Lindote, A. (LIP, Coimbra ; LIP, Coimbra) ; Lopes, I. (LIP, Coimbra ; LIP, Coimbra) ; Losito, R. (CERN) ; Lozano, M. (Seville U.) ; Lukic, S. (Strasbourg, IReS) ; Marganiec, J. (Lodz U.) ; Marques, L. (ITN, Sacavem ; Sao Paulo, Inst. Tech. Aeronautics) ; Marrone, S. (INFN, Bari) ; Martinez, T. (Madrid, CIEMAT) ; Mastinu, P. (INFN, Legnaro) ; Mendoza, E. (Madrid, CIEMAT) ; Milazzo, P.M. (INFN, Trieste) ; Moreau, C. (INFN, Trieste) ; Mosconi, M. (Karlsruhe, Inst. Technol.) ; Neves, F. (LIP, Coimbra ; LIP, Coimbra) ; Oberhummer, H. (Vienna, Tech. U.) ; O'Brien, S. (Notre Dame U.) ; Oshima, M. (JAERI, Tokai) ; Pancin, J. (DAPNIA, Saclay) ; Papachristodoulou, C. (Ioannina U.) ; Papadopoulos, C. (Natl. Tech. U., Athens) ; Paradela, C. (Santiago de Compostela U.) ; Patronis, N. (Ioannina U.) ; Pavlik, A. (Vienna U.) ; Pavlopoulos, P. (Leonardo de Vinci Pole U., Paris) ; Perrot, L. (DAPNIA, Saclay) ; Pigni, M.T. (Vienna, Tech. U.) ; Plag, R. (Karlsruhe, Inst. Technol.) ; Plompen, A. (Euratom, Geel) ; Plukis, A. (DAPNIA, Saclay) ; Poch, A. (Barcelona, Polytechnic U.) ; Praena, J. (Seville U.) ; Pretel, C. (Barcelona, Polytechnic U.) ; Quesada, J. (Seville U.) ; Rauscher, T. (Basel U.) ; Reifarth, R. (Los Alamos) ; Rosetti, M. (ENEA, Bologna) ; Rubbia, C. (Pavia U.) ; Rudolf, G. (Strasbourg, IReS) ; Rullhusen, P. (Euratom, Geel) ; Salgado, J. (ITN, Sacavem ; Sao Paulo, Inst. Tech. Aeronautics) ; Santos, C. (ITN, Sacavem ; Sao Paulo, Inst. Tech. Aeronautics) ; Sarchiapone, L. (CERN) ; Sarmento, R. (ITN, Sacavem ; Sao Paulo, Inst. Tech. Aeronautics) ; Savvidis, I. (Aristotle U., Thessaloniki) ; Stephan, C. (Orsay, IPN) ; Tagliente, G. (INFN, Bari) ; Tain, J.L. (CSIC, Catalunya) ; Tarrio, D. (Santiago de Compostela U.) ; Tassan-Got, L. (Orsay, IPN) ; Tavora, L. (ITN, Sacavem ; Sao Paulo, Inst. Tech. Aeronautics) ; Terlizzi, R. (INFN, Bari) ; Vannini, G. (INFN, Bologna ; Bologna U.) ; Vaz, P. (ITN, Sacavem ; Sao Paulo, Inst. Tech. Aeronautics) ; Ventura, A. (ENEA, Bologna) ; Villamarin, D. (Madrid, CIEMAT) ; Vlachoudis, V. (CERN) ; Vlastou, R. (Natl. Tech. U., Athens) ; Voss, F. (Karlsruhe, Inst. Technol.) ; Walter, S. (Karlsruhe, Inst. Technol.) ; Wendler, H. (CERN) ; Wiescher, M. (Notre Dame U.) ; Wisshak, K. (Karlsruhe, Inst. Technol.)
Publication	2011
In:	Phys. Rev. C 83 (2011) 034608
DOI	10.1103/PhysRevC.83.034608
Subject category	Nuclear Physics - Experiment
Accelerator/Facility, Experiment	CERN PS ; nTOF
Abstract	The cross section of the reaction (197)Au(n,gamma) 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 C(6)D(6) (where D denotes (2)H) liquid scintillators for the detection of prompt capture gamma 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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