Advantages and disadvantages of nuclear reactions used in reactors or cyclotrons, in addition to a theoretical study based on photodisintegration on natural indium for 111Ag production

Autor: El-Azony, Khaled M., Mohamed, Nader M. A., Aloraini, Dalal A.
Zdroj: Nuclear Science and Techniques; February 2022, Vol. 33 Issue: 2
Abstrakt: Production routes were recorded on available reactions for 111Ag production from nuclear reactors or cyclotrons using a natural palladium target based on 110Pd(n, γ) and 110pd(d, n) reactions, respectively. natCd(γ, x) based on 110Cd(γ, p) has also been studied as a prospective reaction for the production of 111Ag. Unfortunately, these nuclear reactions are difficult to utilize because, in some cases, they reduce the specific activity of 111Ag. This is a consequence of the stable silver isotopes produced in high concentrations. These isotopes include 107, 109Ag and, in other cases, the high impurity of silver radioisotopes, such as 110m, 106m, 105Ag, that are produced during parallel nuclear reactions. Due to a scarcity of data regarding the (γ, α) reaction, the gamma reaction on natural indium for 111Ag production based on the 115In(γ, α) reaction was calculated. The natIn(γ, α) reaction satisfies the criteria as a possible reaction to produce 111Ag with a sufficient yield and purity as consequence of the high 115In (95.7%) abundance as an enriched form and a relatively soft background caused by the parallel nuclear reactions.
Databáze: Supplemental Index