Monday, 5 September 2005

This presentation is part of: Poster Session I

AMS Measurements of Spallation Yields from Thick Lead/Bismut Targets

C. Stan-Sion1, A. Letourneau2, V. Lazarev3, H. Reithmeier3, Mihaela Enachescu1, and Eckehart Nolte†3. (1) National Institute of Physics and Nuclear Engineering (NIPNE), Str.Atomistilor 407, Bucharest 76900, Romania, (2) CEA-Saclay, DSM-DAPNIA, 91191 Gif-sur-Yvette, CEDEX , France, (3) Faculty of Physics, Technical University Munich, James Franck Strasse 1, Garching/Munich

In order to reduce the burden to the ground repository, today there is a revival of the international interest in Partitioning and Transmutation ( P$T) technologies. These technologies would allow one to separate (partition) the most hazardous materials from the nuclear waste and convert (transmute) them into short lived or stable products. Our experiments performed by AMS are about the measurement of thermal neutron capture cross sections of 209Bi and about the stable Lead isotopes with masses 206, 207 and 208. The exact knowledge of these cross sections is of vital importance for the construction of Accelerator-Driven Transmutation (ADT) devices, which, in order to produce very intense neutron fluxes, are using the Pb-Bi eutectic complex as material for the spallation target.


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