Input interpretation
![K-55 | daughter nuclides](../image_source/029cc5cd4974a67e45f8fb530bf17e4a.png)
K-55 | daughter nuclides
Result
![Ca-55 | Ca-54](../image_source/455c77604b862f4c7222f58b29bf1c4f.png)
Ca-55 | Ca-54
Decay properties
![| Ca-55 | Ca-54 half-life | 30 ms (2.995×10^-7 to ∞ s) | 300 ns (2.97×10^-7 to ∞ s) mean lifetime | 43 ms (4.31×10^-7 to ∞ s) | 433 ns (4.28×10^-7 to ∞ s) decay constant | 23 per second | 2.31×10^6 per second specific activity | 2.5×10^11 TBq/g | 2.58×10^16 TBq/g width | 1.5×10^-14 eV | 1.05×10^-9 eV decay modes | β^- (electron emission) | β^- (electron emission) | β^-n (electron + delayed neutron) final decay products | Cr-54 (0%) | Mn-55 (0%) | Cr-52 (0%) | Cr-53 (0%) | Cr-54 (0%)](../image_source/2f4b445709fdd166c0dd338ac643d8ce.png)
| Ca-55 | Ca-54 half-life | 30 ms (2.995×10^-7 to ∞ s) | 300 ns (2.97×10^-7 to ∞ s) mean lifetime | 43 ms (4.31×10^-7 to ∞ s) | 433 ns (4.28×10^-7 to ∞ s) decay constant | 23 per second | 2.31×10^6 per second specific activity | 2.5×10^11 TBq/g | 2.58×10^16 TBq/g width | 1.5×10^-14 eV | 1.05×10^-9 eV decay modes | β^- (electron emission) | β^- (electron emission) | β^-n (electron + delayed neutron) final decay products | Cr-54 (0%) | Mn-55 (0%) | Cr-52 (0%) | Cr-53 (0%) | Cr-54 (0%)
Decay modes
![decay mode | β^- (electron emission) Q-value | 17.85 MeV (megaelectronvolts) daughter nuclide | Ca-55 decay mode | β^-n (electron + delayed neutron) Q-value | 15.55 MeV (megaelectronvolts) daughter nuclide | Ca-54](../image_source/0863a0b4d3e5170d56e3f3b1a5cb03c6.png)
decay mode | β^- (electron emission) Q-value | 17.85 MeV (megaelectronvolts) daughter nuclide | Ca-55 decay mode | β^-n (electron + delayed neutron) Q-value | 15.55 MeV (megaelectronvolts) daughter nuclide | Ca-54
Ca-55
![decay mode | β^- (electron emission) Q-value | 11.46 MeV (megaelectronvolts) daughter nuclide | Sc-55](../image_source/b34678cdd724d1318b4b3c951d7961c8.png)
decay mode | β^- (electron emission) Q-value | 11.46 MeV (megaelectronvolts) daughter nuclide | Sc-55
Ca-54
![decay mode | β^- (electron emission) Q-value | 10.326 MeV (megaelectronvolts) daughter nuclide | Sc-54 decay mode | β^-n (electron + delayed neutron) Q-value | 5.659 MeV (megaelectronvolts) daughter nuclide | Sc-53](../image_source/a7f1105e4e55ef05def9dabcad466c5b.png)
decay mode | β^- (electron emission) Q-value | 10.326 MeV (megaelectronvolts) daughter nuclide | Sc-54 decay mode | β^-n (electron + delayed neutron) Q-value | 5.659 MeV (megaelectronvolts) daughter nuclide | Sc-53
Radiation shielding
![Radiation shielding](../image_source/0336cb2a3a2f40eafefaad7b766efa61.png)
Radiation shielding
Decay chain
Ca-55
![Decay chain Ca-55](../image_source/ecf2c8001cc34a43c59c7638b2bc2fc1.png)
Decay chain Ca-55
Ca-54
![Decay chain Ca-54](../image_source/700e3c285c4f34054c600556e76d90d1.png)
Decay chain Ca-54
Mass properties
![| Ca-55 | Ca-54 atomic number (Z) | 20 | 20 mass number (A) | 55 | 54 neutron number | 35 | 34 atomic mass | 54.98055 u (unified atomic mass units) | 53.97435 u (unified atomic mass units) mass excess | -18.118 MeV (megaelectronvolts) | -23.893 MeV (megaelectronvolts) binding energy per nucleon | 8.116 MeV (megaelectronvolts) | 8.224 MeV (megaelectronvolts)](../image_source/be70c112a2c6c9346ab4857c6b8f539f.png)
| Ca-55 | Ca-54 atomic number (Z) | 20 | 20 mass number (A) | 55 | 54 neutron number | 35 | 34 atomic mass | 54.98055 u (unified atomic mass units) | 53.97435 u (unified atomic mass units) mass excess | -18.118 MeV (megaelectronvolts) | -23.893 MeV (megaelectronvolts) binding energy per nucleon | 8.116 MeV (megaelectronvolts) | 8.224 MeV (megaelectronvolts)
![Mass properties](../image_source/551b713a03aa38a20cb7c3cd8680384c.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/f06c6e33cbfa673f8916cb65cd4191ec.png)
Nearby isotopes
Quantum properties
![| Ca-55 | Ca-54 spin parity J^π | 5/2^- (atomic fermion) | 0^+ (atomic boson) magnetic moment | (unknown) | 0 μ_N](../image_source/8f526e6f6637c363dfd903b147210dd4.png)
| Ca-55 | Ca-54 spin parity J^π | 5/2^- (atomic fermion) | 0^+ (atomic boson) magnetic moment | (unknown) | 0 μ_N
![Quantum properties](../image_source/dba1d414c2d25af5cc3f0345e835310f.png)
Quantum properties