isotope half - life decay mode discovery year              reaction
0     263 hs     0.74 ms     α , sf           2008   208 pb ( 56 fe , n)
1     264 hs     ~0.8 ms     α , sf           1986   207 pb ( 58 fe , n)
2     265 hs      1.9 ms     α , sf           1984   208 pb ( 58 fe , n)
3   265 m hs      0.3 ms          α           1984   208 pb ( 58 fe , n)
4     266 hs      2.3 ms     α , sf           2000        270 ds (- , α)
5     267 hs       52 ms     α , sf           1995    238 u ( 34 s , 5n)
6   267 m hs       0.8 s          α           1995    238 u ( 34 s , 5n)
7     268 hs       0.4 s          α           2009    238 u ( 34 s , 4n)
8     269 hs       3.6 s          α           1996       277 cn (- , 2α)
9   269 m hs       9.7 s          α           2004  248 cm ( 26 mg , 5n)
10    270 hs       3.6 s          α           2004  248 cm ( 26 mg , 4n)
11    271 hs        ~4 s          α           2004  248 cm ( 26 mg , 3n)
12    272 hs        40 s     α , sf        unknown                     -
13    273 hs      0.24 s          α           2004       285 fl (- , 3α)
14    274 hs       1 min     α , sf        unknown                     -
15    275 hs      0.15 s          α           2003       287 fl (- , 3α)
16    276 hs         1 h     α , sf        unknown                     -
17    277 hs         2 s          α           2009       289 fl (- , 3α)
18  277 m hs     ~11 min          α           1999       289 fl (- , 3α)

Table as JSON:
{"isotope":{"0":"263 hs","1":"264 hs","2":"265 hs","3":"265 m hs","4":"266 hs","5":"267 hs","6":"267 m hs","7":"268 hs","8":"269 hs","9":"269 m hs","10":"270 hs","11":"271 hs","12":"272 hs","13":"273 hs","14":"274 hs","15":"275 hs","16":"276 hs","17":"277 hs","18":"277 m hs"},"half - life":{"0":"0.74 ms","1":"~0.8 ms","2":"1.9 ms","3":"0.3 ms","4":"2.3 ms","5":"52 ms","6":"0.8 s","7":"0.4 s","8":"3.6 s","9":"9.7 s","10":"3.6 s","11":"~4 s","12":"40 s","13":"0.24 s","14":"1 min","15":"0.15 s","16":"1 h","17":"2 s","18":"~11 min"},"decay mode":{"0":"α , sf","1":"α , sf","2":"α , sf","3":"α","4":"α , sf","5":"α , sf","6":"α","7":"α","8":"α","9":"α","10":"α","11":"α","12":"α , sf","13":"α","14":"α , sf","15":"α","16":"α , sf","17":"α","18":"α"},"discovery year":{"0":"2008","1":"1986","2":"1984","3":"1984","4":"2000","5":"1995","6":"1995","7":"2009","8":"1996","9":"2004","10":"2004","11":"2004","12":"unknown","13":"2004","14":"unknown","15":"2003","16":"unknown","17":"2009","18":"1999"},"reaction":{"0":"208 pb ( 56 fe , n)","1":"207 pb ( 58 fe , n)","2":"208 pb ( 58 fe , n)","3":"208 pb ( 58 fe , n)","4":"270 ds (- , α)","5":"238 u ( 34 s , 5n)","6":"238 u ( 34 s , 5n)","7":"238 u ( 34 s , 4n)","8":"277 cn (- , 2α)","9":"248 cm ( 26 mg , 5n)","10":"248 cm ( 26 mg , 4n)","11":"248 cm ( 26 mg , 3n)","12":"-","13":"285 fl (- , 3α)","14":"-","15":"287 fl (- , 3α)","16":"-","17":"289 fl (- , 3α)","18":"289 fl (- , 3α)"}}