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Fission study by prompt gamma-ray spectrometry

Abstract : The feasibility of retrieving accurate fission observables with a Ge-detector array around a fissile target placed in a cold neutron beam was tested. In three measurement campaigns performed at ILL with the EXILL setup, 235U and 241Pu targets were placed in the high flux cold neutron beam available at the PF1B neutron guide. Gamma-rays following fission were detected by an array of 16 Ge detectors. In the following study, part of data was analyzed as a proof of principle. A set of yields belonging to the Kr-Ba pair were extracted using a gamma-gamma coincidence technique. Preliminary results were compared to the predictions of two phenomenological models: GEF and FIFRELIN.
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Contributor : Michel Lion <>
Submitted on : Friday, October 24, 2014 - 10:39:13 AM
Last modification on : Friday, December 4, 2020 - 3:42:06 PM

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T. Materna, A. Letourneau, Ch. Amouroux, A. Marchix, O. Litaize, et al.. Fission study by prompt gamma-ray spectrometry. Fifteenth International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics (CGS15), Aug 2014, Dresden, Germany. pp.02020, ⟨10.1051/epjconf/20159302020⟩. ⟨in2p3-01077196⟩



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