Nuclear data relevant to the production of medically important {beta}{sup +} emitting radioisotopes {sup 75}Br, {sup 86}Y, {sup 94m}Tc and {sup 124}I at a small cyclotron
- Institut fuer Nuklearchemie, Juelich (Germany)
- Institute of Nuclear Research, Debrecen (Hungary)
Excitation functions were measured for the formation of medically important positron emitting radioisotopes {sup 75}Br, {sup 86}Y, {sup 94m}Tc and {sup 124}I at a small cyclotron. The reactions investigated up to about 20 MeV included {sup 78}Kr(p,{alpha}){sup 75}Br, {sup 74}Se(d,n){sup 75}Br, {sup 86}Sr(p,n){sup 86}Y, {sup 94}Mo(p,n){sup 94m}Tc and {sup 124}Te(p,n){sup 124}I. In each case the well-known stacked-foil (in case of {sup 78}Kr gas stacked-cylinder) technique was used and the target material was isotopically enriched. From the cross section data the optimum production conditions for various radioisotopes were deduced. Whereas {sup 86}Y, {sup 94m}Tc, and {sup 124}I can be produced at a small cyclotron in quantities and purity sufficient for medical applications, the achievable batch yields of {sup 75}Br at such a cyclotron are limited.
- OSTI ID:
- 62173
- Report Number(s):
- CONF-940507--Vol.2
- Country of Publication:
- United States
- Language:
- English
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