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Measurement and analysis of theAm241(n,γ) cross section with liquid scintillator detectors using time-of-flight spectroscopy at the n_TOF facility at CERN

descriptionPublicationkeyboard_double_arrow_right Article , Journal 23 Apr 2014 Australia, Austria, Austria, Spain, Spain, Italy, Spain, Spain, Spain, Croatia, France, Croatia, Croatia, Croatia Publisher:American Physical Society (APS)Journal:Physical Review C, volume 89 (issn: 0556-2813, eissn: 1089-490X,

Authors: K. Fraval; F. Gunsing; S. Altstadt; J. Andrzejewski; L. Audouin; M. Barbagallo; V. Becares; +103 Authors

doi: 10.1103/physrevc.89.044609

handle: 11585/412779 , 2117/23283 , 1885/61351

Measurement and analysis of theAm241(n,γ) cross section with liquid scintillator detectors using time-of-flight spectroscopy at the n_TOF facility at CERN

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Abstract

The 241Am(n, g) cross section has been measured at the n_TOF facility at CERN using deuterated benzene liquid scintillators, commonly known as C6D6 detectors, and time-of-flight spectrometry. The results in the resolved resonance range bring new constraints to evaluations below 150 eV, and the energy upper limit was extended from 150 to 320 eV with a total of 172 new resonances not present in current evaluations. The thermal capture cross section was found to be σ_th = 678 ± 68 b, which is in good agreement with evaluations and most previous measurements. The capture cross section in the unresolved resonance region was extracted in the remaining energy range up to 150 keV, and found to be larger than current evaluations and previous measurements.

Countries

Australia, Austria, Austria, Spain, Spain, Italy, Spain, Spain, Spain, Croatia, France, Croatia, Croatia, Croatia

Related Organizations

Bhabha Atomic Research Centre
India
Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
Spain
Alma Mater Studiorum University of Bologna
Italy
University of Basel
Switzerland
University of Valencia
Spain

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Keywords

103014 Kernphysik, NUCLEAR-DATA, AM-241, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 530, 241Am(n, n_TOF, [ PHYS.NEXP ] Physics [physics]/Nuclear Experiment [nucl-ex], g) neutron capture cross section, :Energies::Energia nuclear [Àrees temàtiques de la UPC], radiative capture cross section; NEUTRON TIME OF FLIGHT, [PHYS.NEXP] Physics/Nuclear Experiment, Nuclear energy, Àrees temàtiques de la UPC::Energies::Energia nuclear, SCIENCE, NEUTRON-FLUX, FISSION, 541, NATURAL SCIENCES. Physics., PRIRODNE ZNANOSTI. Fizika., CAPTURE, RESONANCE INTEGRALS, LIBRARY, Energia nuclear, 103014 Nuclear physics, 241Am(n; g) neutron capture cross section; n_TOF

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