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Fusion Science and Technology
Latest News
Strontium: Supply-and-demand success for the DOE’s Isotope Program
The Department of Energy’s Isotope Program (DOE IP) announced last week that it would end its “active standby” capability for strontium-82 production about two decades after beginning production of the isotope for cardiac diagnostic imaging. The DOE IP is celebrating commercialization of the Sr-82 supply chain as “a success story for both industry and the DOE IP.” Now that the Sr-82 market is commercially viable, the DOE IP and its National Isotope Development Center can “reassign those dedicated radioisotope production capacities to other mission needs”—including Sr-89.
Tieshan Wang, Zhiguo Wang, Jingen Chen, Genming Jin, Yubo Piao
Fusion Science and Technology | Volume 37 | Number 2 | March 2000 | Pages 146-150
Technical Paper | doi.org/10.13182/FST00-A130
Articles are hosted by Taylor and Francis Online.
Charged-particle products with ~3.9-MeV energy were observed in a low-energy experiment (Ep 330 keV) with a proton bombarding a Ti2Hx target. The features of the charged-particle products were the same as those of an alpha particle. The threshold of the reaction was ~150 keV. The maximum reaction rate reached more than 105 r/s, while the proton energy and current were 324 keV and 1.2 mA, respectively. The excitation curve of this unknown reaction increased exponentially with the growth of proton energy. There is no known nuclear reaction induced by a proton that can be applied to interpret this experimental phenomenon. Some interpretations, e.g., an indirect secondary reaction and a multibody reaction model, are discussed, but the origin of this unknown nuclear reaction is still a mystery and under study.