Hassium
Isotopes
Columns: Isotope | Half-life | Decay mode | Discovery year | Reaction
263 Hs | 0.74 ms | α, SF | 2008 | 208 Pb( 56 Fe,n) | 264 Hs | ~0.8 ms | α, SF | 1986 | 207 Pb( 58 Fe,n) | 265 Hs | 1.9 ms | α, SF | 1984 | 208 Pb( 58 Fe,n) | 265m Hs | 0.3 ms | α | 1984 | 208 Pb( 58 Fe,n) | 266 Hs | 2.3 ms | α, SF | 2000 | 270 Ds(—,α) | 267 Hs | 52 ms | α, SF | 1995 | 238 U( 34 S,5n) | 267m Hs | 0.8 s | α | 1995 | 238 U( 34 S,5n) | 268 Hs | 0.4 s | α | 2009 | 238 U( 34 S,4n) | 269 Hs | 3.6 s | α | 1996 | 277 Cn(—,2α) | 269m Hs | 9.7 s | α | 2004 | 248 Cm( 26 Mg,5n) | 270 Hs | 3.6 s | α | 2004 | 248 Cm( 26 Mg,4n) | 271 Hs | ~4 s | α | 2004 | 248 Cm( 26 Mg,3n) | 272 Hs | 40? s | α, SF ? | unknown | — | 273 Hs | 0.24 s | α | 2004 | 285 Fl(—,3α) | 274 Hs | 1? min | α, SF ? | unknown | — | 275 Hs | 0.15 s | α | 2003 | 287 Fl(—,3α) | 276 Hs | 1? h | α, SF ? | unknown | — | 277 Hs | 2 s | α | 2009 | 289 Fl(—,3α) | 277m Hs ? | ~11 min ? | α | 1999 | 289 Fl(—,3α)