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.
OBERSTEDT Stephan;
LOEVESTAM Goeran;
CHAVES DE JESUS Carlos;
GAMBONI Thierry;
GEERTS Wouter;
JAIME TORNIN Ricardo;
2006-11-07
American Institute of Physics
JRC34200
https://publications.jrc.ec.europa.eu/repository/handle/JRC34200,
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