Input interpretation
![Al-31 (aluminum-31)](../image_source/5fba57e3b1f9a549dd5ede471922b668.png)
Al-31 (aluminum-31)
Decay properties
![half-life | 644 ms (milliseconds) (618 to 670.1 ms) mean lifetime | 929 ms (milliseconds) (0.8923 to 0.9659 s) decay constant | 1.08 per second specific activity | 2.09×10^10 TBq/g (terabecquerels per gram) width | 7.08×10^-16 eV (electronvolts) decay modes | β^- (electron emission) | β^-n (electron + delayed neutron) final decay products | P-31 (100%) | Si-30 (1.6%)](../image_source/0bf6f6d211488b6d37930a1afd662945.png)
half-life | 644 ms (milliseconds) (618 to 670.1 ms) mean lifetime | 929 ms (milliseconds) (0.8923 to 0.9659 s) decay constant | 1.08 per second specific activity | 2.09×10^10 TBq/g (terabecquerels per gram) width | 7.08×10^-16 eV (electronvolts) decay modes | β^- (electron emission) | β^-n (electron + delayed neutron) final decay products | P-31 (100%) | Si-30 (1.6%)
Decay modes
![decay mode | β^- (electron emission) branching ratio | 98% Q-value | 7.9954 MeV (megaelectronvolts) daughter nuclide | Si-31 decay mode | β^-n (electron + delayed neutron) branching ratio | 1.6% Q-value | 1.408 MeV (megaelectronvolts) daughter nuclide | Si-30](../image_source/252c377ec4d72a9fd27a55ffbfcd0c1e.png)
decay mode | β^- (electron emission) branching ratio | 98% Q-value | 7.9954 MeV (megaelectronvolts) daughter nuclide | Si-31 decay mode | β^-n (electron + delayed neutron) branching ratio | 1.6% Q-value | 1.408 MeV (megaelectronvolts) daughter nuclide | Si-30
Decay chain
![Decay chain](../image_source/a6cc22f4429beed67049902c54d90aa2.png)
Decay chain
Mass properties
![atomic number (Z) | 13 mass number (A) | 31 neutron number | 18 atomic mass | 30.983946619 u (unified atomic mass units) mass excess | -14.953628 MeV (megaelectronvolts) binding energy per nucleon | 8.225611 MeV (megaelectronvolts)](../image_source/8317526b281d8124db688e21f8ae3610.png)
atomic number (Z) | 13 mass number (A) | 31 neutron number | 18 atomic mass | 30.983946619 u (unified atomic mass units) mass excess | -14.953628 MeV (megaelectronvolts) binding energy per nucleon | 8.225611 MeV (megaelectronvolts)
![Mass properties](../image_source/48b181a80fc254deb36e94fc080016f5.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/f5111a64bc48419426a2ffa8e2fe01e6.png)
Nearby isotopes
Excitations
![E_level | spin parity J^π | half-life τ_1/2 | width Δ 946.5 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 1612.8 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 2090 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 2680 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 3239 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 3432.9 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 3622.5 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 4142.9 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 4561.7 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 4808.6 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown)](../image_source/0e229fd1c68f43d884d22aaae528d88e.png)
E_level | spin parity J^π | half-life τ_1/2 | width Δ 946.5 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 1612.8 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 2090 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 2680 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 3239 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 3432.9 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 3622.5 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 4142.9 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 4561.7 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 4808.6 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown)