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Md. Shuza Uddin, M. Baba, M. Hagiwara, S. K. A. Latif, Syed M. Qaim

Excitation functions for the formation of some short-lived products in proton-induced reactions on silver

Keywords: Nuclear reaction, Excitation function, 103Ag as parent of 103Pd

Excitation functions of the ^natAg(p,xn)^104,105Cd and ^natAg(p,pxn)^{103,104m,g,104g}Ag reactions were measured for the first time over the proton energy range of 32 to about 60 MeV. The data were compared with the results of precompound-hybrid model calculations, whereby only partial agreement was obtained. The contribution of the ¹⁰³Ag precursor decay to the total formation of the therapeutic radionuclide ¹⁰³Pd in proton activation of silver was estimated: it amounted to about 70%. The various possible routes for the production of ¹⁰³Pd were also considered: the ^natAg(p,x) ¹⁰³Pd and ¹⁰³Rh(p,n) ¹⁰³Pd processes were found to be most interesting. Despite its somewhat lower yield, the latter process is preferred because it can be applied at a low-energy cyclotron.

Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Print ISSN: 0033-8230
Volume: 96, 02/2008
Pages: 067 - 072

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