METHOD FOR PRODUCING AC-225 BY IRRADIATION OF RA-226 WITH PROTONS

This invention refers to a method for producing Actinium-225, comprising the steps of preparing a target (1) containing Radium-226, of irradiating this target with protons in a cyclotron and of chemically separating Actinium from the irradiated target material thereafter. According to the invention...

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Bibliographische Detailangaben
Hauptverfasser:	SCHWEICKERT, HERMANN, APOSTOLIDIS, CHRISTOS, MCGINLEY, JOHN, VAN GEEL, JACQUES, MOLINET, ROGER, OUGIER, MICHEL, MOLLENBECK, JOSEF, JANSSENS, WILLEM, KOCH, LOTHAR
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONVERSION OF CHEMICAL ELEMENTS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GAMMA RAY OR X-RAY MICROSCOPES IRRADIATION DEVICES NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS RADIOACTIVE SOURCES TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	This invention refers to a method for producing Actinium-225, comprising the steps of preparing a target (1) containing Radium-226, of irradiating this target with protons in a cyclotron and of chemically separating Actinium from the irradiated target material thereafter. According to the invention the proton energy in the cyclotron is adjusted such that the energy incident on the Ra-226 is between 10 and 20 MeV, preferably between 14 and 17 MeV. By this means the yield of production of the desired isotope Ac- 225 is enhanced with respect to other radioisotopes.