Prompt fission gamma-ray spectra characteristics - a first summary
Paper i proceeding, 2015

In this work we give an overview of our investigations of prompt gamma-ray emission in nuclear fission. This work was conducted during the last five years in response to a high priority nuclear data request formulated by the OECD/NEA. The aim was to reveal data deficiencies responsible for a severe under-prediction of the prompt gamma heating in nuclear reactor cores. We obtained new prompt fission gamma-ray spectral (PFGS) data for Cf-252(SF) as well as for thermal-neutron induced fission on U-235(nth,f) and Pu-241(nth,f). In addition, first PFGS measurements with a fast-neutron beam were accomplished, too. The impact of the new data and future data needs are discussed.

total gamma-ray energy

prompt gamma-ray multiplicity

u-235

Prompt fission gamma-rays

neutrons

energy

cf-252

f)

bromide scintillation detectors

emission

Generation IV

Författare

S. Oberstedt

EU Joint Research Centre (JRC)

Robert Billnert

Chalmers, Fundamental fysik

A. Gatera

EU Joint Research Centre (JRC)

W. Geerts

EU Joint Research Centre (JRC)

P. Halipré

Institut de Physique Nucleaire Orsay

F. J. Hambsch

EU Joint Research Centre (JRC)

M. Lebois

Institut de Physique Nucleaire Orsay

Andreas Oberstedt

Chalmers, Fundamental fysik

P. Marini

Centre d'Etudes Nucleaires de Bordeaux Gradignan

M. Vidali

EU Joint Research Centre (JRC)

J. Wilson

Institut de Physique Nucleaire Orsay

Physics Procedia

18753884 (ISSN) 18753892 (eISSN)

Vol. 64 83-90

Ämneskategorier

Fysik

DOI

10.1016/j.phpro.2015.04.011