Input interpretation
![Cf-237 (californium-237) | Po-192 (polonium-192)](../image_source/32c519c2b84ab9eb1ef825809ef87ad5.png)
Cf-237 (californium-237) | Po-192 (polonium-192)
Decay properties
![| Cf-237 | Po-192 half-life | 2.1 s (1.78 to 2.44 s) | 33.2 ms (31.4 to 35 ms) mean lifetime | 3 s (2.57 to 3.49 s) | 47.9 ms (44.9 to 50.9 ms) decay constant | 0.33 per second | 20.9 per second specific activity | 8.5×10^8 TBq/g | 6.55×10^10 TBq/g width | 2.2×10^-16 eV | 9.52×10^-15 eV decay modes | SF (spontaneous fission) | β^+ (positron emission) | α (alpha emission) | α (alpha emission) | β^+ (positron emission) final decay products | Pb-207 (0%) | Tl-205 (0%) | Os-188 (90%) | Os-184 (9%) | Pt-192 (0.4%) | W-180 (0.1%) | Hf-176 (3.1×10^-4%) | Hf-180 (0%) | W-184 (0%)](../image_source/48ee6f8eefd2b5a1d371566475e277b6.png)
| Cf-237 | Po-192 half-life | 2.1 s (1.78 to 2.44 s) | 33.2 ms (31.4 to 35 ms) mean lifetime | 3 s (2.57 to 3.49 s) | 47.9 ms (44.9 to 50.9 ms) decay constant | 0.33 per second | 20.9 per second specific activity | 8.5×10^8 TBq/g | 6.55×10^10 TBq/g width | 2.2×10^-16 eV | 9.52×10^-15 eV decay modes | SF (spontaneous fission) | β^+ (positron emission) | α (alpha emission) | α (alpha emission) | β^+ (positron emission) final decay products | Pb-207 (0%) | Tl-205 (0%) | Os-188 (90%) | Os-184 (9%) | Pt-192 (0.4%) | W-180 (0.1%) | Hf-176 (3.1×10^-4%) | Hf-180 (0%) | W-184 (0%)
Decay modes
Cf-237
![decay mode | SF (spontaneous fission) branching ratio | 10% decay mode | β^+ (positron emission) Q-value | 3.698 MeV (megaelectronvolts) daughter nuclide | Bk-237 decay mode | α (alpha emission) Q-value | 8.1 MeV (megaelectronvolts) daughter nuclide | Cm-233](../image_source/154b0966aa1a7190de09afa578e3feb5.png)
decay mode | SF (spontaneous fission) branching ratio | 10% decay mode | β^+ (positron emission) Q-value | 3.698 MeV (megaelectronvolts) daughter nuclide | Bk-237 decay mode | α (alpha emission) Q-value | 8.1 MeV (megaelectronvolts) daughter nuclide | Cm-233
Po-192
![decay mode | α (alpha emission) branching ratio | 99.5% Q-value | 7.31927 MeV (megaelectronvolts) daughter nuclide | Pb-188 decay mode | β^+ (positron emission) branching ratio | 0.5% Q-value | 4.4524 MeV (megaelectronvolts) daughter nuclide | Bi-192](../image_source/3d538d4cc55b990e530688890a96b12b.png)
decay mode | α (alpha emission) branching ratio | 99.5% Q-value | 7.31927 MeV (megaelectronvolts) daughter nuclide | Pb-188 decay mode | β^+ (positron emission) branching ratio | 0.5% Q-value | 4.4524 MeV (megaelectronvolts) daughter nuclide | Bi-192
Radiation shielding
![| Cf-237 lead | 24.7 µm water | 68 µm air | 61.9 mm](../image_source/f8b8a12fda8a9a4f12ccf1b50e630234.png)
| Cf-237 lead | 24.7 µm water | 68 µm air | 61.9 mm
Decay chain
Cf-237
![Decay chain Cf-237](../image_source/c2214cd4e9d984d2dd66bdaac3a0b33c.png)
Decay chain Cf-237
Po-192
![Decay chain Po-192](../image_source/0dfd24cdf334f17cbb17fec8b112abae.png)
Decay chain Po-192
Mass properties
![| Cf-237 | Po-192 atomic number (Z) | 98 | 84 mass number (A) | 237 | 192 neutron number | 139 | 108 atomic mass | 237.06207 u (unified atomic mass units) | 191.991335149 u (unified atomic mass units) mass excess | 57.818 MeV (megaelectronvolts) | -8.071257 MeV (megaelectronvolts) binding energy per nucleon | 7.504 MeV (megaelectronvolts) | 7.771078 MeV (megaelectronvolts)](../image_source/0b3a0805b5132454b832ff297f538863.png)
| Cf-237 | Po-192 atomic number (Z) | 98 | 84 mass number (A) | 237 | 192 neutron number | 139 | 108 atomic mass | 237.06207 u (unified atomic mass units) | 191.991335149 u (unified atomic mass units) mass excess | 57.818 MeV (megaelectronvolts) | -8.071257 MeV (megaelectronvolts) binding energy per nucleon | 7.504 MeV (megaelectronvolts) | 7.771078 MeV (megaelectronvolts)
![Mass properties](../image_source/e7559e58e4e59f9a4a45f72cf511145c.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/bb59407dcc848d678621cc5e93676f9b.png)
Nearby isotopes
Quantum properties
![| Cf-237 | Po-192 spin parity J^π | 5/2^+ (atomic fermion) | 0^+ (atomic boson) magnetic moment | (unknown) | 0 μ_N](../image_source/63727b72bfdba5c46dc008d66c295dbf.png)
| Cf-237 | Po-192 spin parity J^π | 5/2^+ (atomic fermion) | 0^+ (atomic boson) magnetic moment | (unknown) | 0 μ_N
![Quantum properties](../image_source/e3d0ed3ae66ca7665fe15039ba6a8b3a.png)
Quantum properties