Estimation of Proton and Deuteron Induced Cross Sections for Radiomedical Technetium-99m Production
DOI:
https://doi.org/10.22401/anjs.29.3.3238Keywords:
Charged particle, Cross section, Technetium-99m, YieldAbstract
The study calculates cross-sections for charged particles on molybdenum to produce the medical isotope technetium-99m and its parent isotope, molybdenum-99, both of which are crucial in nuclear medicine. Experimental cross sections for the following reactions: (d,3n), (d,n), (p,2n), (d,p), (d,x), and (p,x) were collected from the IAEA EXFOR library. We recalculated using MATLAB 2013 with an interval of 0.01, taking into account the error ratio for each researcher. The yield was calculated based on the calculated cross sections and stopping power, which were calculated using the SRIM 2013 and PSTAR codes. 100Mo(d,3n)99mTc reaction, highest cross section 305 mb at Ed=24 MeV, yield=0.764MBq/microAh at Ed=24.3 MeV. 98Mo(d,n)99mTc reaction, highest cross section of 75 mb at Ed = 11.75 MeV, yield = 341 MBq/microAh at Ed = 12.2 MeV. 100Mo(p,2n)99mTc reaction, highest cross section of 251.14 mb at Ep = 14.54 MeV, yield = 48.3 MBq/microAh at Ep = 19 MeV. 98Mo(d,p)99Mo reaction, highest cross section of 244 mb at Ed = 8.7 MeV, yield = 108.6 MBq/microAh Ed = 12.7 MeV. 100Mo(d,x)99Mo reaction, highest cross section of 41.14 mb at Ed = 35 MeV, yield = 0.025 MBq/microAh at Ed = 46.8 MeV. 100Mo(p,x)99Mo reaction, highest cross section of 251.14 mb at Ep = 14.54 MeV, yield = 48.3 MBq/microAh at Ep = 19 MeV. Researchers should focus on deuteron-induced reactions and enriched isotopes for producing technetium-99, as these are a promising alternative to natural methods.
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