Open Access
ND 2007
Article Number 155
Number of page(s) 4
Section Neutron cross section measurements
Published online 17 June 2008
International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07364

A new high efficiency array of C6D6 detectors for capture cross section measurements at GELINA

C. Sage1, E. Berthoumieux2, O. Bouland3, F. Gunsing2, A.J.M. Plompen1, P. Schillebeeckx1, P. Siegler1, N. van Opstal4 and R. Wynants1

1  JRC, IRMM, Neutron Physics Unit, 2440 Geel, Belgium
2  CEA Saclay, DSM/DAPNIA/SPhN, 91191 Gif-sur-Yvette, France
3  CEA Cadarache, DEN/CAD/DER/SPRC/LEPh, 13108 Saint-Paul-lez-Durance, France
4  XIOS, Hogeschool Limburg, 3590 Diepenbeek, Belgium

Published online: 21 May 2008

Neutron capture cross section measurements at the Geel Electron Linear Accelerator (GELINA) rely on the use of H-free deuterated benzene C6D6 liquid scintillators. A new design of Aluminium canned C6D6 detectors was studied to improve the performances (high gamma efficiency vs. low neutron sensitivity) of the cylindrical previous ones: on the basis of a truncated 5-sides pyramid, the new detectors were developed and tested in Geel, and used in a preliminary capture cross section measurement on 197Au in a 4 detectors setup.

© CEA 2008

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