Fission studies by prompt gamma-ray spectrometry
1 IRFU, CEA Saclay, 91191 Gif-sur-Yvette, France
2 CEA, DEN, Cadarache, 13108 Saint-Paul-lez-Durance, France
3 ILL, 71 av. des Martyrs, 38042 Grenoble CEDEX 9, France
4 LPSC, 53 rue des Martyrs, 38026 Grenoble CEDEX, France
5 INFN Sezione di Milano, I-20133 Milano, Italy
6 GANIL, BP 55027, 14076 Caen CEDEX 5, France
7 Faculty of Physics, University of Warsaw, ulica Hoża 69, 00-681 Warsaw, Poland
a Corresponding author: firstname.lastname@example.org
Published online: 28 May 2015
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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