Nickel-53

Properties and data of the isotope ⁵³Ni.

Contents

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

General data

Name of the isotope:Nickel-53; Ni-53Symbol:⁵³Ni or 5328NiMass number A:53 (= number of nucleons)Atomic number Z:28 (= number of protons)Neutrons N:25Isotopic mass:52.968190(27) u (atomic weight of Nickel-53)Nuclide mass:52.9528302 u (calculated nuclear mass without electrons)Mass excess:-29.63082 MeVMass defect:0.467533796 u (per nucleus)Nuclear binding energy:435.50492577 MeV (per nucleus)
8.21707407 MeV (average binding energy per nucleon)Separation energy:S_N = 15.37(40) MeV (first neutron)
S_P = 2.559(27) MeV (first proton)Half-life:55.2(7) msDecay constant λ:12.557014140579 s^-1Specific activity α:1.454232844899 × 10⁺²³ Bq g^-1
3930359040269.5 Ci g^-1Spin and parity:
(nuclear angular momentum)(7/2-)Isobaric spin: 3/2Mirror nucleus:Manganese-53Year of discovery:1976

Radioactive Decay

Half-life T_½ = 55.2(7) ms respectively 5.52 × 10^-2 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC/β⁺	⁵³Co		13.029(25) MeV
β⁺, p	⁵²Fe	23.4(10) %

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 25) and isobaric (same nucleon number A = 53) with Nickel-53. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

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