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In Tore Supra, a neutron production rate up to 1.0 E20 neutrons/year is expected. Calculations based on 1D and 3D codes have been made before the assembly phase; a strategy has been established to reconcile high neutron levels with the need for access to the tokamak. Operation at low power (8.5 x 1.0 E16 neutrons) has resulted in a first set of measurements, which is compared to the calculations. Quite good agreement is observed, especially for fast neutrons; the difference on slow neutrons is partly due to a small quantity of boron added in the concrete wall surrounding the experiment, and to safety factors in the computations.

Additional information

Authors: JOYER P, CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR);MARTIN G, CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR)
Bibliographic Reference: Paper presented: Eighth ASTM Euratom Symposium on Reactor Dosimetry, Vail (US), August 29 - September 3, 1993
Availability: Available from (1) as Paper EN 37838 ORA
Record Number: 199311294 / Last updated on: 1994-11-29
Original language: en
Available languages: en
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