Abstract
TSIEN et al. 1 pointed out for the first time in 1946 the possibility that uranium-235, when bombarded with thermal neutrons, may sometimes divide into three fragments, two heavy and the other one with a mass of around 32. The same kind of event has also been seen by others2 but in other cases it was not observed3.
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References
Tsien San Tsiang, Ho Zah-Wei, Chastel, R., and Vigneron, L., C.R. Acad. Sci. (Paris), 223, 1119 (1946); J. Phys. Radium, 8, 165 and 200 (1947).
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Catalá, J., Domingo, V., Casanova, J., Senent, F., and Lleo, A., An. Real Soc. Esp. Fis. Quim. (in the press). H. G. Carvalho, of the Centro Brasileiro de Pesquisas Fisicas (private communication).
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Wollan, E. O., Moak, C. D., and Sawyer, R. B., Phys. Rev., 72, 447 (1947).
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CATALA, J., CASANOVA, J. & DOMINGO, V. Two Cases of Triple Fission of Uranium-235. Nature 184, 1057–1058 (1959). https://doi.org/10.1038/1841057a0
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DOI: https://doi.org/10.1038/1841057a0
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