Investigation of activation cross sections of proton induced reactions on indium up to 70 MeV for practical applications

TL;DR

This study measures proton-induced activation cross sections on indium up to 70 MeV, compares results with existing data and models, and discusses applications in medical isotope production and thin layer activation.

Contribution

It provides new experimental cross section data for indium reactions up to 70 MeV, including some measurements reported for the first time.

Findings

New cross section data for indium isotopes up to 70 MeV

Comparison with TENDL-2014 library shows agreement and discrepancies

Application data for medical isotope production and TLA discussed

Abstract

Excitation functions were measured for production of the $^{113,111,110}$Sn, $^{115m,114m,113m,112m,111g,110g}$In and $^{111m,109}$Cd radioisotopes by bombardment of In targets with proton beams up to 70 MeV, some of them for the first time. The new results are compared with the earlier experimental data and with the theoretical data in the TENDL-2014 (Talys1.6 based) library. Thick target yields were deduced and application of the new data for production of medically relevant $^{110m}$In, $^{111g}$In, $^{113m}$In and $^{114m}$In, as well as applicability for thin layer activation (TLA) are discussed.