Copper-58

Properties and data of the isotope ⁵⁸Cu.

Contents

General data

Name of the isotope:Copper-58; Cu-58Symbol:⁵⁸Cu or 5829CuMass number A:58 (= number of nucleons)Atomic number Z:29 (= number of protons)Neutrons N:29Isotopic mass:57.9445324(6) u (atomic weight of Copper-58)Nuclide mass:57.928624 u (calculated nuclear mass without electrons)Mass excess:-51.66774 MeVMass defect:0.53367609200001 u (per nucleus)Nuclear binding energy:497.11607764 MeV (per nucleus)
8.57096686 MeV (average binding energy per nucleon)Separation energy:S_N = 12.4302(6) MeV (first neutron)
S_P = 2.8729(7) MeV (first proton)Half-life:3.204(7) sDecay constant λ:0.21633807133581 s^-1Specific activity α:2.285646208686 × 10⁺²¹ Bq g^-1
61774221856.392 Ci g^-1Spin and parity:
(nuclear angular momentum)1+Isobaric spin: 0Magnetic dipole moment:μ(μ_N) = +0.52(8)Nuclear g-factor:g_l = 0.52Year of discovery:1952

Radioactive Decay

Half-life T_½ = 3.204(7) s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	⁵⁸Ni	100 %	8.5610(7) MeV

Parent Nuclides

Direct parent isotope is: ⁵⁸Zn.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 29) and isobaric (same nucleon number A = 58) with Copper-58. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 29	Isobar A = 58
13	⁴²Al
14	⁴³Si
15	⁴⁴P
16	⁴⁵S
17	⁴⁶Cl
18	⁴⁷Ar
19	⁴⁸K
20	⁴⁹Ca	⁵⁸Ca
21	⁵⁰Sc	⁵⁸Sc
22	⁵¹Ti	⁵⁸Ti
23	⁵²V	⁵⁸V
24	⁵³Cr	⁵⁸Cr
25	⁵⁴Mn	⁵⁸Mn
26	⁵⁵Fe	⁵⁸Fe
27	⁵⁶Co	⁵⁸Co
28	⁵⁷Ni	⁵⁸Ni
29	⁵⁸Cu	⁵⁸Cu
30	⁵⁹Zn	⁵⁸Zn
31	⁶⁰Ga	⁵⁸Ga
32	⁶¹Ge
33	⁶²As
34	⁶³Se