Measurement of resolved resonances of 232Th(n,γ) at the n_TOF facility at CERN

F. Gunsing 1 G. Aerts 1 S. Andriamonje 1 E. Berthoumieux 1 J. Pancin 1 L. Perrot 1 P. Baumann 2 M. Kerveno 2 S. Lukic 2 G. Rudolf 2 B. Haas 3 P. Pavlopoulos 4 C. Stephan 5 L. Tassan-Got 5 L. Audouin 5 L. Ferran 5 S. Isaev 1
1 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
2 DRS-IPHC - Département Recherches Subatomiques
3 ACEN - Aval du cycle et Energie Nucléaire
CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan
4 Pôle Universitaire Léonard de Vinci
5 IPNO - Institut de Physique Nucléaire d'Orsay
Abstract : The yield of the neutron capture reaction 232Th(n,γ) has been measured at the neutron time-of-flight facility n_TOF at CERN in the energy range from 1 eV to 1 MeV. The reduction of the acquired data to the capture yield for resolved resonances from 1 eV to 4 keV is described and compared to a recent evaluated data set. The resonance parameters were used to assign an orbital momentum to each resonance. A missing level estimator was used to extract the s-wave level spacing of D0=17.2±0.9 eV.
Document type :
Journal articles
Physical Review C, American Physical Society, 2012, 85, pp.064601. <10.1103/PhysRevC.85.064601>
http://hal.in2p3.fr/in2p3-00713775
Contributor : Sophie Heurteau <>
Submitted on : Monday, July 2, 2012 - 3:46:16 PM
Last modification on : Friday, September 11, 2015 - 9:51:13 AM

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F. Gunsing, G. Aerts, S. Andriamonje, E. Berthoumieux, J. Pancin, et al.. Measurement of resolved resonances of 232Th(n,γ) at the n_TOF facility at CERN. Physical Review C, American Physical Society, 2012, 85, pp.064601. <10.1103/PhysRevC.85.064601>. <in2p3-00713775>

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