Open Access
ND 2007
Article Number 279
Number of page(s) 4
Section Spallation measurements
Published online 17 June 2008
International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07327

Production of noble gas isotopes by proton-induced reactions on Mg, Al, Si, Fe, Ni, Pb, and Bi

I. Leya1, K. Ammon1, B. Lavielle2, E. Gilabert2, R. Wieler3, J.-C. David4 and R. Michel5

1  Physikalisches Institut, University of Bern, Bern, Switzerland
2  Universités Bordeaux 1 & 2 - UMR 5084 CNRS, Gradignan Cedex, France
3  Institut for Isotope Geology, ETH Zürich, Zürich, Switzerland
4  DSM, DAPNIA/SPhN, CEA Saclay, France
5  Center for Radiation Protection and Radioecology, University Hannover, Germany

Published online: 21 May 2008

We measured integral thin target cross sections for the proton-induced production of He-, Ne-, and Ar-isotopes from Fe and Ni and of He-, Ne-, Ar-, Kr-, and Xe-isotopes from Bi from the respective reaction thresholds up to 2.6 GeV. Iron and Ni are important structural materials for the planned ADS/EA systems and Bi is a major constituent for planned spallation neutron sources. In addition, we give new data for the production of 3He from Mg, Al, Si, and Pb by revising earlier data and considering now 3H diffusive losses and new information for the 3H/3He branching ratios. The data are compared to results from theoretical nuclear model codes.

© CEA 2008

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