Title: The New Pulsed Mono-Energetic Neutron Source at IRMM at the Shape Isomer Search in 239U
Authors: OBERSTEDT STEPHANLOEVESTAM GOERANCHAVES DE JESUS CARLOSGAMBONI THIERRYGEERTS WOUTERJAIME TORNIN RICARDO
Citation: AIP Conference Proceedings vol. 798 p. 273-276
Publisher: American Institute of Physics
Publication Year: 2005
JRC N°: JRC34200
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC34200
Type: Contributions to Conferences
Abstract: In the frame of the exploratory research initiative of the JRC a new pulsing device has been installed at the Van-de-Graaff of the IRMM to produce pulsed quasi mono-energetic neutron beams in the MeV range. The pulse width may be tuned from 10 mus up to several hundreds of mus with a repetition rate between 1 Hz and 5 kHz. The aim is to study the decay of short-lived activation products between pulses in an essentially neutron-free environment. In a first application the shape isomer in 239U is searched, for which a decay half-life probably much longer than a few tens of mus has been predicted in literature. The new facility will be presented together with first results on the shape-isomer search, and some possible applications will be discussed.
JRC Institute:Institute for Reference Materials and Measurements

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