See also: List of individual Vanadium isotopes (and general data sources).
General data
Name of the isotope:Vanadium-64; V-64Symbol:64V or 6423VMass number A:64 (= number of nucleons)Atomic number Z:23 (= number of protons)Neutrons N:41Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.7826086956522 (= neutron-proton ratio)Neutron excess (N-Z):18Isotopic mass:63.98248(43) u (atomic weight of Vanadium-64)Nuclide mass:63.9698629 u (calculated nuclear mass without electrons)Mass excess:-16.31977 MeVMass defect:0.552757292 u (per nucleus)Nuclear binding energy:514.89010095 MeV (per nucleus) 8.04515783 MeV (average binding energy per nucleon)Separation energy:SN = 2.50(56) MeV (first neutron) SP = 17.86(64) MeV (first proton)Half-life:15(2) msDecay constant λ:46.20981203733 s-1Specific activity α:4.349346767770 × 10+23 Bq g-1 11754991264245 Ci g-1Spin and parity: (nuclear angular momentum)Year of discovery:1997
Radioactive Decay
Half-life T½ = 15(2) ms respectively 1.5 × 10-2 seconds s.
Decay mode
Daughter
Probability
Decay energy
γ energy (intensity)
β-
64Cr
100 %
17.16(59) MeV
β-
63Cr
?
11.62(54) MeV
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
The following table shows the atomic nuclei that are isotonic (same neutron number N = 41) and isobaric (same nucleon number A = 64) with Vanadium-64. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.