The n_TOF facility is a time of flight spectrometer dedicated to measuring neutron capture and fission cross sections. The neutron source consists on a lead target bombarded by a high energetic proton beam. After finishing a successful period of data taking by the end of 2004, it has been decided to upgrade the neutron spallation source with a cladded target. In this study, Monte Carlo simulations are reported for the assessment and comparison of the neutron and gamma fluxes from different target configurations. In addition, the plans for a second vertical measuring station with a flight path of 20 m above the spallation target have been considered in the simulations as well. Results for the energy deposition and the target heating are also presented.
CARRAPIÇO C.;
ANDRIAMONJE S.;
BERTHOUMIEUX E.;
GONÇALVES I. F.;
GUNSING Frank;
MENGONI A.;
VAZ P.;
VLACHOUDIS V.;
PLOMPEN Arjan;
RULLHUSEN Peter;
N_ Tof Collaboration;
2008-08-01
EDP Sciences
JRC41876
http://nd2007.edpsciences.org/,
https://publications.jrc.ec.europa.eu/repository/handle/JRC41876,
10.1051/ndata:07394,
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