Letter to the editorA new radioisotope, 172Ta
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Discovery of tantalum, rhenium, osmium, and iridium isotopes
2012, Atomic Data and Nuclear Data TablesCitation Excerpt :We credit Abou-Leila with the discovery because he identified the first excited state of the daughter nucleus (172Hf) correctly and the somewhat longer half-life was later explained by a possible contamination [30]. The result by Butement and Briscoe [31] mentioned in the quote was not considered correct by neither Abou-Leila nor later by Chang and Cheney [29,30]. In 1932 Aston discovered the only stable isotope of tantalum, 181Ta, as reported in “Constitution of tantalum and niobium” [40].
Nuclear data sheets for A = 171
2002, Nuclear Data SheetsNuclear data sheets for A = 174
1999, Nuclear Data SheetsNuclear data sheets for A = 172
1995, Nuclear Data SheetsNuclear data sheets update for A = 171
1992, Nuclear Data SheetsNuclear data sheets update for A = 174
1991, Nuclear Data Sheets
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