Input interpretation
![As-76 (arsenic-76) | Hf-185 (hafnium-185)](../image_source/b33ca08a13b7fb4ea9e13bd295ca747a.png)
As-76 (arsenic-76) | Hf-185 (hafnium-185)
Decay properties
![| As-76 | Hf-185 half-life | 26.261 h (26.23 to 26.29 h) | 210 s (2.85 to 4.15 min) mean lifetime | 37.886 h (37.83 to 37.94 h) | 5 min (4.13 to 5.98 min) decay constant | 7.3319×10^-6 per second | 0.0033 per second specific activity | 58156 TBq/g | 1.1×10^7 TBq/g width | 3.3448×10^-21 eV | 2.2×10^-18 eV decay modes | β^- (electron emission) | ϵ (electron capture) | β^- (electron emission) final decay products | Se-76 (100%) | Re-185 (100%)](../image_source/afbbabe22af9119172763e708cb851cc.png)
| As-76 | Hf-185 half-life | 26.261 h (26.23 to 26.29 h) | 210 s (2.85 to 4.15 min) mean lifetime | 37.886 h (37.83 to 37.94 h) | 5 min (4.13 to 5.98 min) decay constant | 7.3319×10^-6 per second | 0.0033 per second specific activity | 58156 TBq/g | 1.1×10^7 TBq/g width | 3.3448×10^-21 eV | 2.2×10^-18 eV decay modes | β^- (electron emission) | ϵ (electron capture) | β^- (electron emission) final decay products | Se-76 (100%) | Re-185 (100%)
Decay modes
As-76
![decay mode | β^- (electron emission) branching ratio | 100% Q-value | 2.962547 MeV (megaelectronvolts) daughter nuclide | Se-76 decay mode | ϵ (electron capture) branching ratio | 0.02% Q-value | 923.543 keV (kiloelectronvolts) daughter nuclide | Ge-76](../image_source/9169ae0ad20041e66c47e57402eaa946.png)
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 2.962547 MeV (megaelectronvolts) daughter nuclide | Se-76 decay mode | ϵ (electron capture) branching ratio | 0.02% Q-value | 923.543 keV (kiloelectronvolts) daughter nuclide | Ge-76
Hf-185
![decay mode | β^- (electron emission) branching ratio | 100% Q-value | 3.037 MeV (megaelectronvolts) daughter nuclide | Ta-185](../image_source/207b528c37bc0d9a0df1735c66ae9886.png)
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 3.037 MeV (megaelectronvolts) daughter nuclide | Ta-185
Radiation shielding
![| As-76 | Hf-185 lead | 2.08 mm | 2.12 mm portland concrete | 7.57 mm | 7.77 mm water | 14.9 mm | 15.3 mm air | 12.8 m | 13.2 m](../image_source/541ca0a0193d828486968eb472c3d802.png)
| As-76 | Hf-185 lead | 2.08 mm | 2.12 mm portland concrete | 7.57 mm | 7.77 mm water | 14.9 mm | 15.3 mm air | 12.8 m | 13.2 m
Decay chain
As-76
![Decay chain As-76](../image_source/db82d3a635ac9ea1b0a69e8ec7961c04.png)
Decay chain As-76
Hf-185
![Decay chain Hf-185](../image_source/a315892e34332b14231dca5030ccf9c7.png)
Decay chain Hf-185
Mass properties
![| As-76 | Hf-185 atomic number (Z) | 33 | 72 mass number (A) | 76 | 185 neutron number | 43 | 113 atomic mass | 75.922394021 u (unified atomic mass units) | 184.95882 u (unified atomic mass units) mass excess | -72.289504 MeV (megaelectronvolts) | -38.359 MeV (megaelectronvolts) binding energy per nucleon | 8.682792 MeV (megaelectronvolts) | 7.974 MeV (megaelectronvolts)](../image_source/8003ac449310e006e07ee1edff093844.png)
| As-76 | Hf-185 atomic number (Z) | 33 | 72 mass number (A) | 76 | 185 neutron number | 43 | 113 atomic mass | 75.922394021 u (unified atomic mass units) | 184.95882 u (unified atomic mass units) mass excess | -72.289504 MeV (megaelectronvolts) | -38.359 MeV (megaelectronvolts) binding energy per nucleon | 8.682792 MeV (megaelectronvolts) | 7.974 MeV (megaelectronvolts)
![Mass properties](../image_source/8a8d32d0e858a4c02049b1290f023637.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/5b9b97ae900ff1ce65623f756603b824.png)
Nearby isotopes
Quantum properties
![| As-76 | Hf-185 spin parity J^π | 2^- (atomic fermion) | 3/2^- (atomic fermion) magnetic moment | -0.906 μ_N | (unknown) electric quadrupole moment | 7 eb (electron barns) | (unknown)](../image_source/dc0594b80fc73eb16145487dbdec80d4.png)
| As-76 | Hf-185 spin parity J^π | 2^- (atomic fermion) | 3/2^- (atomic fermion) magnetic moment | -0.906 μ_N | (unknown) electric quadrupole moment | 7 eb (electron barns) | (unknown)
![Quantum properties](../image_source/e5291bb7100bed002331af4d423448a3.png)
Quantum properties