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Abstract

The fluence of environmental neutrons is being studied by activation of metal discs selected elements. Near the earth's surface the total neutron fluence is in the order of 10(-2)cm(-2)s(-1), which gives induced activities of some mBq in the discs. Initial results from this technique, involving activation at ground level for several materials and ultra low-level gamma-ray spectrometry in an underground laboratory located at 500mwe are presented. Diffusion of environmental neutrons in water is also measured by activation of gold at different depths.

Additional information

Authors: HULT M, IRMM, JRC-Geel (BE);MARTINEZ-CANT M J, IRMM, JRC-Geel (BE);KOHLER M, IRMM, JRC-Geel (BE);JOHNSTON P N, IRMM, JRC-Geel (BE)
Bibliographic Reference: Paper presented: ICRM 99, Prague (CZ), 7-11th June (1999)
Availability: Available from Public Relations and Publications Unit, Ispra (IT)
Record Number: 199911233 / Last updated on: 1999-08-27
Category: PUBLICATION
Original language: en
Available languages: en