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Electromagnetic Separation of Radioactive Isotopes

Proceedings of the International Symposium Held in Vienna, May 23-25, 1960 - 0 - 1872116

Taschenbuch von Michael J. Higatsberger und Franz P. Viehböck

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Kartoniert / Broschiert
Softcover reprint of the original 1st ed. 1961
Higatsberger, Michael J.
Viehböck, Franz P.
Springer Vienna
Springer Wien
Astronomie, Allgemeines, Lexika
505 gr
During the war years the techniques for electromagnetic separation of radioactive nuclides have made great progress. Ever since then further improvements have been accomplished to separate stable nuclides and in more recent years special attention has been given to the problem of separating radioactive nuclides, especially in con­ nection with spallation and high energy fission studies. This poses slightly different problems, as the amounts of radioactive material may be very small indeed, highly diluted and the whole separation procedure has often to be a very rapid one, as some of the nuclides have a very short half-life. . On quite a number of the bigger machines very valuable operating experience has been gained and it was, therefore, a very good idea to hold a symposium' covering all the aspects of electromagnetic separation, where technicians could discuss the recent advances in this wide field. It is to be welcomed that at this symposium all aspects were discussed, from the details of vacuum systems, as well as sub­ jects like magnets, ion sources, scattering mechanisms, to the health physics problems connected, for example, with the electromagnetic separation of plutonium, as well as applications of mass separation. These proceedings are, therefore, essential for all those who do work in this field or contemplate to enter into it. Vienna, May 1961.
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I General Considerations Related to Problems of Electromagnetic Separations.- a) Separation of Irradiated Material.- Electromagnetic Isotope Separation Before and After Activation in a Reactor or Cyclotron.- Electromagnetic Mass Separation of Reactor Irradiated Materials.- Discussion.- b) Contamination and Enrichment.- Theory of Isotopic Contamination in Electromagnetic Separators.- Discussion.- Adequate Characterizing of Separating Power.- The Relative Enhancement Factor in Electromagnetic Isotope Separation.- Contribution to the Study of Isotopic Contamination with a Double Magnetic Deflection Isotope Separator.- Discussion.- Discussion about the topics 13-16..- II Electromagnetic Separators Planned.- Electromagnetic Separator for Radioisotope Investigations.- Discussion.- The Design of the Electromagnetic Isotope Separator of the S.G.A.E..- Discussion.- Plans for a Radioisotope Separator at CERN.- Discussion.- Remark. By H. Wagner and W. Walcher on "Two Directional Focusing".- Ion-Optical Considerations on E.M. Separators.- The Electric Quadrupole Mass Separator.- Discussion.- III Operating Experiences on E. M. Separators.- Double Magnetic Deflexion Isotope Separator for the Production of Very High Purity Isotopes.- Discussion.- Electromagnetic Separation of Radioisotopes of the Heavy Elements at the Oak Ridge National Laboratory.- Discussion.- Recent Modifications to Hermes.- Some Characteristics of the E.M. Isotope Separator at the Nobel Institute of Physics, Stockholm.- Discussion.- IV Progress in Ion Source Development.- On Ion Sources with High Efficiency and Intensity.- Discussion.- An Ion Source for Short-Lived Radioactive Isotopes and Preliminary Results on a Duoplasmatron Type Ion Source.- Discussion.- A Method of Rapid Electromagnetic Separation of Radioactive Isotopes.- Discussion.- Some Problems Related with Ion Sources for Radioactive Isotopes.- A Parallel Filament Lateral Arc Source Unit.- Remark. By W. Walcher, Marburg.- V Sputtering Phenomena.- Sputtering Experiments with the Amsterdam Electromagnetic Isotope Separator.- Discussion.- Collection and Sputtering Experiments with Noble Gas Ions.- Sputtering by Ions with 10-65 keV Energy.- Preparation of Targets and Radioactive Sources in an E.M. Separator.- Discussion.- Sputtering at High Energy.- Discussion.- VI Chemical Aspects in E. M. Separation Processes.- E.M. Separations with High Efficiency of Microgramme Quantities.- Discussion.- Some Chemical Problems Connected with the Electro-Magnetic Separation of Isotopes.- Discussion.- VII Some Health Physics Problems Connected with E. M. Separations.- Protective Measures in Connection with Electromagnetic Separations of Radioactive Isotopes at the Oak Ridge National Laboratory.- Discussion.- Precautions with a-Active Isotope Separators at Harwell.- VIII Applications of E. M. Separated Radioactive Isotopes.- Applications of Electromagnetically Separated Radioactive Isotopes at the Nobel Institute of Physics (Part I).- Discussion.- Applications of Electromagnetically Separated Radioactive Isotopes at the Nobel Institute of Physics (Part II).- Recent Applications of the Uppsala Mass Separator.- Applications in the Field of Nuclear Physics of the Orsay Double Deflexion Isotope Separator.- Preparation of Radioactive Sources for ?- and ?-Ray Spectroscopy by Electromagnetic Isotope Separation.- Author Index.