Input interpretation
![Dy-158 (dysprosium-158) | Np-225 (neptunium-225)](../image_source/97f99cba355e3e5acd3ed27204cb82c0.png)
Dy-158 (dysprosium-158) | Np-225 (neptunium-225)
Natural abundance
![Dy-158 | Np-225 0.1% | 0%](../image_source/0809d2354585a68d69da0ee07f00357b.png)
Dy-158 | Np-225 0.1% | 0%
Decay properties
![| Dy-158 | Np-225 half-life | (stable) | 2 µs (1.98×10^-6 to ∞ s) mean lifetime | (stable) | 3 µs (2.85×10^-6 to ∞ s) decay constant | 0 per second | 300000 per second specific activity | 0 Bq/g | 9×10^14 TBq/g width | 0 eV | 2×10^-10 eV decay modes | α (alpha emission) | 2β^+ (double beta decay) | α (alpha emission) final decay products | Dy-158 (100%) | Gd-154 (0%) | Gd-158 (0%) | Tl-205 (100%)](../image_source/7637b651b19919ccc4e3a362307496b4.png)
| Dy-158 | Np-225 half-life | (stable) | 2 µs (1.98×10^-6 to ∞ s) mean lifetime | (stable) | 3 µs (2.85×10^-6 to ∞ s) decay constant | 0 per second | 300000 per second specific activity | 0 Bq/g | 9×10^14 TBq/g width | 0 eV | 2×10^-10 eV decay modes | α (alpha emission) | 2β^+ (double beta decay) | α (alpha emission) final decay products | Dy-158 (100%) | Gd-154 (0%) | Gd-158 (0%) | Tl-205 (100%)
Decay modes
Dy-158
![decay mode | α (alpha emission) Q-value | 876.2 keV (kiloelectronvolts) daughter nuclide | Gd-154 decay mode | 2β^+ (double beta decay) Q-value | -1.75976 MeV (megaelectronvolts) daughter nuclide | Gd-158](../image_source/0fa73c1397f6e533d45fbb99d1699b2d.png)
decay mode | α (alpha emission) Q-value | 876.2 keV (kiloelectronvolts) daughter nuclide | Gd-154 decay mode | 2β^+ (double beta decay) Q-value | -1.75976 MeV (megaelectronvolts) daughter nuclide | Gd-158
Np-225
![decay mode | α (alpha emission) branching ratio | 100% Q-value | 8.7865 MeV (megaelectronvolts) daughter nuclide | Pa-221](../image_source/d79ec1fc3568d73b905bc70ab4c6924b.png)
decay mode | α (alpha emission) branching ratio | 100% Q-value | 8.7865 MeV (megaelectronvolts) daughter nuclide | Pa-221
Radiation shielding
![| Dy-158 lead | 31.7 µm water | 91.3 µm air | 83.1 mm](../image_source/feb4831517909252ed8e5cba016f2560.png)
| Dy-158 lead | 31.7 µm water | 91.3 µm air | 83.1 mm
Decay chain
Dy-158
![Decay chain Dy-158](../image_source/9e021cd5b995667f17e7cf7ccbd781b7.png)
Decay chain Dy-158
Np-225
![Decay chain Np-225](../image_source/a4c37233f983b5b21513ca60758ca0e6.png)
Decay chain Np-225
Mass properties
![| Dy-158 | Np-225 atomic number (Z) | 66 | 93 mass number (A) | 158 | 225 neutron number | 92 | 132 atomic mass | 157.924409487 u (unified atomic mass units) | 225.033913933 u (unified atomic mass units) mass excess | -70.412109 MeV (megaelectronvolts) | 31.590626 MeV (megaelectronvolts) binding energy per nucleon | 8.19016 MeV (megaelectronvolts) | 7.607544 MeV (megaelectronvolts)](../image_source/0bed9dab06be0e53a01bba58ad7cdb34.png)
| Dy-158 | Np-225 atomic number (Z) | 66 | 93 mass number (A) | 158 | 225 neutron number | 92 | 132 atomic mass | 157.924409487 u (unified atomic mass units) | 225.033913933 u (unified atomic mass units) mass excess | -70.412109 MeV (megaelectronvolts) | 31.590626 MeV (megaelectronvolts) binding energy per nucleon | 8.19016 MeV (megaelectronvolts) | 7.607544 MeV (megaelectronvolts)
![Mass properties](../image_source/175bf457662112238dc4be4966d64a44.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/7d341a72318f8bba42274d57f44f3a70.png)
Nearby isotopes
Quantum properties
![| Dy-158 | Np-225 spin parity J^π | 0^+ (atomic boson) | 9/2^- (atomic boson) magnetic moment | 0 μ_N | (unknown)](../image_source/43eed1c6c2e41c4abeaf58dbd8d89410.png)
| Dy-158 | Np-225 spin parity J^π | 0^+ (atomic boson) | 9/2^- (atomic boson) magnetic moment | 0 μ_N | (unknown)
![Quantum properties](../image_source/46722074ced1ae93cb1539b641e067af.png)
Quantum properties