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Characterisation of spherical recoil proton proportional counters used for neutron spectrometry


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Mot de passe :

Pichenot, G; Guldbakke, S; Asselineau, B; Gressier, V; Itie, C; Klein, H; Knauf, K; Lebreton, L; Lob, S; Pochon-Guerin, L; Schlegel, D; Sosaat, W Nuclear Instruments & Methods In Physics Research Section A-Accelerators Spectrometers Detectors And Associated Equipment, Jan 1 2002 , 476: (1-2) 165-169

Type de document > *Article de revue

Mots clés > dosimétrie externe, neutrons

Unité de recherche > Laboratoire de recherches en dosimétrie externe (LRDE)

Auteurs > ASSELINEAU Bruno, GRESSIER Vincent, ITIE Christian, LEBRETON Léna

Date de publication > 01/01/2002

Résumé

The IRSN standard neutron detector in the energy range 60-800 keV is a spherical proportional counter of HARWELL type SP2 nominally filled with 300 kPa hydrogen. It was characterised in the monoenergetic neutron fields of PTB at the energies of 144, 250 and 565 keV, where the neutron energy and fluence were determined with the PTB reference instruments. The neutron fields produced at the same energies with the accelerator facility of Bruyeres-le-Chatel were then investigated with the calibrated SP2 counter and various PTB instruments in order to determine the mean energy and the neutron fluence. The energy scale and a neutron fluence monitor were calibrated.