Input interpretation
![He-6 (helium-6) | Mg-38 (magnesium-38)](../image_source/5c1229882dc08fe27078d53c000a2e3c.png)
He-6 (helium-6) | Mg-38 (magnesium-38)
Decay properties
![| He-6 | Mg-38 half-life | 806.7 ms (805.06 to 808.34 ms) | 260 ns (2.57×10^-7 to ∞ s) mean lifetime | 1.164 s (1.1616 to 1.166 s) | 375 ns (3.7×10^-7 to ∞ s) decay constant | 0.8591 per second | 2.67×10^6 per second specific activity | 8.596×10^10 TBq/g | 4.22×10^16 TBq/g width | 5.656×10^-16 eV | 1.22×10^-9 eV decay modes | β^- (electron emission) | β^-d (electron + delayed deuteron) | β^- (electron emission) final decay products | Li-6 (100%) | He-4 (2.8×10^-4%) | Ar-38 (0%) | Cl-37 (0%)](../image_source/f5fbe25d049a30ba59e27a83525b2d42.png)
| He-6 | Mg-38 half-life | 806.7 ms (805.06 to 808.34 ms) | 260 ns (2.57×10^-7 to ∞ s) mean lifetime | 1.164 s (1.1616 to 1.166 s) | 375 ns (3.7×10^-7 to ∞ s) decay constant | 0.8591 per second | 2.67×10^6 per second specific activity | 8.596×10^10 TBq/g | 4.22×10^16 TBq/g width | 5.656×10^-16 eV | 1.22×10^-9 eV decay modes | β^- (electron emission) | β^-d (electron + delayed deuteron) | β^- (electron emission) final decay products | Li-6 (100%) | He-4 (2.8×10^-4%) | Ar-38 (0%) | Cl-37 (0%)
Decay modes
He-6
![decay mode | β^- (electron emission) branching ratio | 100% Q-value | 3.508313 MeV (megaelectronvolts) daughter nuclide | Li-6 decay mode | β^-d (electron + delayed deuteron) branching ratio | 2.8×10^-4% daughter nuclide | He-4](../image_source/409f71bcfc7a69a030e584d300699377.png)
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 3.508313 MeV (megaelectronvolts) daughter nuclide | Li-6 decay mode | β^-d (electron + delayed deuteron) branching ratio | 2.8×10^-4% daughter nuclide | He-4
Mg-38
![decay mode | β^- (electron emission) Q-value | 18.946 MeV (megaelectronvolts) daughter nuclide | Al-38](../image_source/2015c7f8ce10667ec3075a6304babc60.png)
decay mode | β^- (electron emission) Q-value | 18.946 MeV (megaelectronvolts) daughter nuclide | Al-38
Radiation shielding
![| He-6 lead | 2.41 mm portland concrete | 9 mm water | 17.8 mm air | 15.2 m](../image_source/ec9121da9b09d377d39992196ee6f3d6.png)
| He-6 lead | 2.41 mm portland concrete | 9 mm water | 17.8 mm air | 15.2 m
Decay chain
He-6
![Decay chain He-6](../image_source/82f8cc3020f2b52942327660e3fe83bf.png)
Decay chain He-6
Mg-38
![Decay chain Mg-38](../image_source/4d50aa7b5e6b7e16091ac71ece6fa3ba.png)
Decay chain Mg-38
Mass properties
![| He-6 | Mg-38 atomic number (Z) | 2 | 12 mass number (A) | 6 | 38 neutron number | 4 | 26 atomic mass | 6.018889124 u (unified atomic mass units) | 38.03757 u (unified atomic mass units) mass excess | 17.595106 MeV (megaelectronvolts) | 34.996 MeV (megaelectronvolts) binding energy per nucleon | 4.878017 MeV (megaelectronvolts) | 6.903 MeV (megaelectronvolts)](../image_source/f6acdf00a049ec18ceece7484e52b1c0.png)
| He-6 | Mg-38 atomic number (Z) | 2 | 12 mass number (A) | 6 | 38 neutron number | 4 | 26 atomic mass | 6.018889124 u (unified atomic mass units) | 38.03757 u (unified atomic mass units) mass excess | 17.595106 MeV (megaelectronvolts) | 34.996 MeV (megaelectronvolts) binding energy per nucleon | 4.878017 MeV (megaelectronvolts) | 6.903 MeV (megaelectronvolts)
![Mass properties](../image_source/fe7ff7b98b77cfeb2f88ad68f7cc0a6c.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/d2fef4c2b277d7ad5b21e9fcae4aea85.png)
Nearby isotopes
Quantum properties
![| He-6 | Mg-38 spin parity J^π | 0^+ (atomic boson) | 0^+ (atomic boson) magnetic moment | 0 μ_N | 0 μ_N](../image_source/901eee0774e4a8bad83645ccfcda3d55.png)
| He-6 | Mg-38 spin parity J^π | 0^+ (atomic boson) | 0^+ (atomic boson) magnetic moment | 0 μ_N | 0 μ_N
![Quantum properties](../image_source/f25fd64e12b9be8740af1746384aebeb.png)
Quantum properties