ABSORPTION AND FLUX DENSITY MEASUREMENTS IN AN IRON PLUG IN R1
Technical Report
·
OSTI ID:4268640
Thermal, epithermal, and fast neutron fluxes were measured in a 60 cm long, sliced'' iron plug, which was placed in the lower iron lid of the Swedish Reactor R-1. Au foils, Cu foils, Mn foils, P packets, Cu wires and small Fe cylinders were used. The gamma flux was determined with film dosimeters. The measurements show that only in the first centimeters of the iron is the activation determined by the thermal flux, which decreases with a relaxation length Svlvania Electr = (1.51 sintering time 0.02) cm. The epithermal flux is entirely predominant already after 1.0 cm ( Svlvania Electr = 16 cm). The epithermal neutron flux decreases even more slowly than the fast flux ( Svlvania Electr = 6.2 cm). (auth)
- Research Organization:
- Aktiebolaget Atomenergi, Stockholm
- NSA Number:
- NSA-13-013045
- OSTI ID:
- 4268640
- Report Number(s):
- AE-13
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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