Input interpretation
![Cm-248 (curium-248)](../image_source/cf46edd918e436ee0a40e2549c6a2b0a.png)
Cm-248 (curium-248)
Decay properties
![half-life | 0.35 Myr (megayears) (0.3416 to 0.3547 Myr) mean lifetime | 0.501 Myr (megayears) (0.4931 to 0.5114 Myr) decay constant | 6.33×10^-14 per second specific activity | 154 MBq/g (megabecquerels per gram) width | 4.15×10^-29 eV (electronvolts) decay modes | α (alpha emission) | SF (spontaneous fission) | 2β^- (double beta decay) final decay products | Pb-208 (90%) | Pb-206 (3.7×10^-9%) | Pb-204 (0%) | Hg-200 (0%) | Hg-204 (0%)](../image_source/78f95ca8ed6d8e5feead9ac75dc57233.png)
half-life | 0.35 Myr (megayears) (0.3416 to 0.3547 Myr) mean lifetime | 0.501 Myr (megayears) (0.4931 to 0.5114 Myr) decay constant | 6.33×10^-14 per second specific activity | 154 MBq/g (megabecquerels per gram) width | 4.15×10^-29 eV (electronvolts) decay modes | α (alpha emission) | SF (spontaneous fission) | 2β^- (double beta decay) final decay products | Pb-208 (90%) | Pb-206 (3.7×10^-9%) | Pb-204 (0%) | Hg-200 (0%) | Hg-204 (0%)
Decay modes
![decay mode | α (alpha emission) branching ratio | 91.61% Q-value | 5.16173 MeV (megaelectronvolts) daughter nuclide | Pu-244 decay mode | SF (spontaneous fission) branching ratio | 8.39% decay mode | 2β^- (double beta decay) Q-value | 152.44 keV (kiloelectronvolts) daughter nuclide | Cf-248](../image_source/51921a6f9d05400d829464de0ec57e6a.png)
decay mode | α (alpha emission) branching ratio | 91.61% Q-value | 5.16173 MeV (megaelectronvolts) daughter nuclide | Pu-244 decay mode | SF (spontaneous fission) branching ratio | 8.39% decay mode | 2β^- (double beta decay) Q-value | 152.44 keV (kiloelectronvolts) daughter nuclide | Cf-248
Decay chain
![Decay chain](../image_source/fda6d86e0cbad96e02992e588349e4ec.png)
Decay chain
Mass properties
![atomic number (Z) | 96 mass number (A) | 248 neutron number | 152 atomic mass | 248.072348508 u (unified atomic mass units) mass excess | 67.392202 MeV (megaelectronvolts) binding energy per nucleon | 7.496731 MeV (megaelectronvolts)](../image_source/ccfc07593972e7b11433c340d3a3b922.png)
atomic number (Z) | 96 mass number (A) | 248 neutron number | 152 atomic mass | 248.072348508 u (unified atomic mass units) mass excess | 67.392202 MeV (megaelectronvolts) binding energy per nucleon | 7.496731 MeV (megaelectronvolts)
![Mass properties](../image_source/a2e30790a915939c88dd3e4e8b4ba5ec.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/39036466d8887d4a54f7001706f256a6.png)
Nearby isotopes
Quantum properties
![spin parity J^π | 0^+ (atomic boson) magnetic moment | 0 μ_N](../image_source/724463a39eea6aa015655fa702d1350e.png)
spin parity J^π | 0^+ (atomic boson) magnetic moment | 0 μ_N
![Quantum properties](../image_source/9282b7989d8b4c562b6284cfcf07c44c.png)
Quantum properties
Excitations
![E_level | spin parity J^π | half-life τ_1/2 | width Δ 43.4 keV (kiloelectronvolts) | 2^+ | 1.24×10^-10 seconds | 3.68×10^-6 eV (electronvolts) 143.6 keV (kiloelectronvolts) | 4^+ | 7.8×10^-11 seconds | 5.8×10^-6 eV (electronvolts) 298.1 keV (kiloelectronvolts) | 6^+ | 3.3×10^-11 seconds | 1.4×10^-5 eV (electronvolts) 505 keV (kiloelectronvolts) | 8^+ | 1.32×10^-11 seconds | 3.46×10^-5 eV (electronvolts) 760.7 keV (kiloelectronvolts) | 10^+ | 9.4×10^-12 seconds | 4.9×10^-5 eV (electronvolts) 1049 keV (kiloelectronvolts) | 2^+ | 1.24×10^-12 seconds | 3.68×10^-4 eV (electronvolts) 1049 keV (kiloelectronvolts) | 1^- | (unknown) | (unknown) 1061.3 keV (kiloelectronvolts) | 12^+ | 3.9×10^-12 seconds | 1.2×10^-4 eV (electronvolts) 1084 keV (kiloelectronvolts) | 0^+ | (unknown) | (unknown) 1094 keV (kiloelectronvolts) | 3^- | (unknown) | (unknown)](../image_source/3bd0077e20e90e6d6e4776ebdb2944af.png)
E_level | spin parity J^π | half-life τ_1/2 | width Δ 43.4 keV (kiloelectronvolts) | 2^+ | 1.24×10^-10 seconds | 3.68×10^-6 eV (electronvolts) 143.6 keV (kiloelectronvolts) | 4^+ | 7.8×10^-11 seconds | 5.8×10^-6 eV (electronvolts) 298.1 keV (kiloelectronvolts) | 6^+ | 3.3×10^-11 seconds | 1.4×10^-5 eV (electronvolts) 505 keV (kiloelectronvolts) | 8^+ | 1.32×10^-11 seconds | 3.46×10^-5 eV (electronvolts) 760.7 keV (kiloelectronvolts) | 10^+ | 9.4×10^-12 seconds | 4.9×10^-5 eV (electronvolts) 1049 keV (kiloelectronvolts) | 2^+ | 1.24×10^-12 seconds | 3.68×10^-4 eV (electronvolts) 1049 keV (kiloelectronvolts) | 1^- | (unknown) | (unknown) 1061.3 keV (kiloelectronvolts) | 12^+ | 3.9×10^-12 seconds | 1.2×10^-4 eV (electronvolts) 1084 keV (kiloelectronvolts) | 0^+ | (unknown) | (unknown) 1094 keV (kiloelectronvolts) | 3^- | (unknown) | (unknown)