Prompt Fission γ-rays Measured Using Liquid Scintillators

E Kwan,C.Y Wu,R.C Haight,H.Y Lee,T.A Bredeweg,A Chyzh,M Devlin,N Fotiades,J.M Gostic,R.A Henderson,M Jandel,A Laptev,R.O Nelson,J.M O'Donnell,B.A Perdue,T.N Taddeucci,J.L Ullmann,S.A Wender

doi:10.1016/j.nds.2014.08.061

Prompt Fission γ-rays Measured Using Liquid Scintillators

E Kwan, C.Y Wu + Show 16 more

https://doi.org/10.1016/j.nds.2014.08.061

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Journal: Nuclear Data Sheets Section B	Publication Date: May 1, 2014
Citations: 4

Affiliation: Lawrence Livermore National Laboratory, Los Alamos National Laboratory

#Parallel Plate Avalanche Counters #Spontaneous Fission Of 252Cf + Show 8 more

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Abstract

The prompt γ-ray spectra from 235U(n,f) at incident energies of 1 to 20 MeV and for 235Cf(s.f.) were measured up to 4 MeV in coincidence with two parallel plate avalanche counters and the liquid scintillator array FIGARO. The unfolded γ-ray spectra from 1–4 MeV using the single value decomposition and iterative Bayesian techniques for the incident neutron energy regions corresponding to the first, second and third chance fissions were found to nearly identical and similar to the distribution from the spontaneous fission of 252Cf. General agreement with the γ-ray distributions from fission was also found with previous measurements.

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