Vanadium-61

Properties and data of the isotope ⁶¹V.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

See also: List of individual Vanadium isotopes (and general data sources).

General data

Name of the isotope:Vanadium-61; V-61Symbol:⁶¹V or 6123VMass number A:61 (= number of nucleons)Atomic number Z:23 (= number of protons)Neutrons N:38Isotopic mass:60.96725(96) u (atomic weight of Vanadium-61)Nuclide mass:60.9546329 u (calculated nuclear mass without electrons)Mass excess:-30.50643 MeVMass defect:0.541992544 u (per nucleus)Nuclear binding energy:504.86280278 MeV (per nucleus)
8.27643939 MeV (average binding energy per nucleon)Separation energy:S_N = 5.34(92) MeV (first neutron)
S_P = 15.47(94) MeV (first proton)Half-life:48.3(10) msDecay constant λ:14.350873303519 s^-1Specific activity α:1.440383008281 × 10⁺²³ Bq g^-1
3892927049409.7 Ci g^-1Spin and parity:
(nuclear angular momentum)(3/2-.5/2-)Year of discovery:1992

Radioactive Decay

Half-life T_½ = 48.3(10) ms respectively 4.83 × 10^-2 seconds s.

Decay mode	Daughter	Probability	Decay energy
β^-	⁶¹Cr	100 %	11.97(90) MeV
β^-, n	⁶⁰Cr	> 10 %	8.09(91) MeV
β^-, 2n	⁵⁹Cr	?

Parent Nuclides

Direct parent isotope is: ⁶¹Ti.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 38) and isobaric (same nucleon number A = 61) with Vanadium-61. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 38	Isobar A = 61
20	⁵⁸Ca
21	⁵⁹Sc	⁶¹Sc
22	⁶⁰Ti	⁶¹Ti
23	⁶¹V	⁶¹V
24	⁶²Cr	⁶¹Cr
25	⁶³Mn	⁶¹Mn
26	⁶⁴Fe	⁶¹Fe
27	⁶⁵Co	⁶¹Co
28	⁶⁶Ni	⁶¹Ni
29	⁶⁷Cu	⁶¹Cu
30	⁶⁸Zn	⁶¹Zn
31	⁶⁹Ga	⁶¹Ga
32	⁷⁰Ge	⁶¹Ge
33	⁷¹As
34	⁷²Se
35	⁷³Br
36	⁷⁴Kr
37	⁷⁵Rb
38	⁷⁶Sr
39	⁷⁷Y
40	⁷⁸Zr