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|Title:||Comparative measurement of prompt fission gamma-ray emission from fast-neutron-induced fission of 235U and 238U|
|Authors:||LEBOIS M.; WILSON J. N.; HALIPRE P.; OBERSTEDT Andreas; OBERSTEDT Stephan; MARINI P.; SCHMITT C.; ROSE S. J.; SIEM S.; FALLOT M.; PORTA A.; ZAKARI A.-A.|
|Citation:||PHYSICAL REVIEW C vol. 92 no. 034618 p. 1-5|
|Publisher:||AMER PHYSICAL SOC|
|Type:||Articles in periodicals and books|
|Abstract:||Prompt fission γ -ray (PFG) spectra have been measured in a recent experiment with the novel directional fast-neutron source LICORNE at the ALTO facility of the IPN Orsay. These first results from the facility involve the comparative measurement of prompt γ emission in fast-neutron-induced fission of 235U and 238U. Characteristics such as γ multiplicity and total and average radiation energy are determined in terms of ratios between the two systems. Additionally, the average photon energies were determined and compared with recent data on thermal-neutron-induced fission of 235U. PFG spectra are shown to be similar within the precision of the present measurement, suggesting that the extra incident energy does not significantly impact the energy released by prompt γ rays. The origins of some small differences, depending on either the incident energy or the target mass, are discussed. This study demonstrates the potential of the present approach, combining an innovative neutron source and new-generation detectors, for fundamental and applied research on fission in the near future.|
|JRC Directorate:||Health, Consumers and Reference Materials|
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