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Updated: Jun 17, 2026

A Basic Positron Emission Tomography System Constructed to Locate a Radioactive Source in a Bi-dimensional Space
Published on: February 1, 2016
Activity measurements of 3H using the TDCR method and observation of source stability
1Australian Nuclear Science and Technology Organisation, Lucas Heights, NSW, Australia. lmx@ansto.gov.au
Abstract:
Activity measurements of (3)H were performed using the triple to double coincidence ratio method for the 2009 international comparison organized by the Bureau International des Poids et Mesures (BIPM). The activity obtained by using the FPGA (field programmable gate array) acquisition system and software event analysis was compared to that using MAC3 (Module d'Acquisition de Coincidences triples). Agreement to better than 0.4% was obtained. The stability of sources prepared in Ultima Gold, Ultima Gold LLT, Insta-Gel Plus and Optiphase "Hisafe"-3 over 140 days is presented.
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