Vanadium-48

Properties and data of the isotope ⁴⁸V.

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-48; V-48Symbol:⁴⁸V or 4823VMass number A:48 (= number of nucleons)Atomic number Z:23 (= number of protons)Neutrons N:25Isotopic mass:47.9522509(10) u (atomic weight of Vanadium-48)Nuclide mass:47.9396338 u (calculated nuclear mass without electrons)Mass excess:-44.478 MeVMass defect:0.444347736 u (per nucleus)Nuclear binding energy:413.90725 MeV (per nucleus)
8.62306771 MeV (average binding energy per nucleon)Separation energy:S_N = 10.5423(10) MeV (first neutron)
S_P = 6.8294(10) MeV (first proton)Half-life:15.974(3) dDecay constant λ:5.022245202781 × 10^-7 s^-1Specific activity α:6.435035754104 × 10⁺¹⁵ Bq g^-1
173919.88524606 Ci g^-1Spin and parity:
(nuclear angular momentum)4+Magnetic dipole moment:μ(μ_N) = 2.012(11)Nuclear g-factor:g_l = 0.503Mirror nucleus:Manganese-48Year of discovery:1937

Radioactive Decay

Half-life T_½ = 15.974(3) d respectively 1.380154 × 10⁶ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC, β⁺	⁴⁸Ti	100 %	4.0149(10) MeV

Parent Nuclides

Direct parent isotope is: ⁴⁸Cr.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 25) and isobaric (same nucleon number A = 48) with Vanadium-48. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 25	Isobar A = 48
11	³⁶Na
12	³⁷Mg
13	³⁸Al
14	³⁹Si
15	⁴⁰P
16	⁴¹S	⁴⁸S
17	⁴²Cl	⁴⁸Cl
18	⁴³Ar	⁴⁸Ar
19	⁴⁴K	⁴⁸K
20	⁴⁵Ca	⁴⁸Ca
21	⁴⁶Sc	⁴⁸Sc
22	⁴⁷Ti	⁴⁸Ti
23	⁴⁸V	⁴⁸V
24	⁴⁹Cr	⁴⁸Cr
25	⁵⁰Mn	⁴⁸Mn
26	⁵¹Fe	⁴⁸Fe
27	⁵²Co	⁴⁸Co
28	⁵³Ni	⁴⁸Ni
29	⁵⁴Cu
30	⁵⁵Zn