Hassium Isotopes List of hassium isotopes

| 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) |