Titanium-53

Properties and data of the isotope ⁵³Ti.

Content

General data

Name of the isotope:Titanium-53; Ti-53Symbol:⁵³Ti or 5322TiMass number A:53 (= number of nucleons)Atomic number Z:22 (= number of protons)Neutrons N:31Isotopic mass:52.94972(11) u (atomic weight of Titanium-53)Nuclide mass:52.9376515 u (calculated nuclear mass without electrons)Mass excess:-46.83552 MeVMass defect:0.4910431 u (per nucleus)Nuclear binding energy:457.40370139 MeV (per nucleus)
8.63025852 MeV (average binding energy per nucleon)Separation energy:S_N = 5.43(10) MeV (first neutron)
S_P = 13.68(13) MeV (first proton)Half-life:32.7(9) sDecay constant λ:0.021197161485014 s^-1Specific activity α:2.454851774876 × 10⁺²⁰ Bq g^-1
6634734526.6932 Ci g^-1Spin and parity:
(nuclear angular momentum)(3/2)-Year of discovery:1977

Radioactive Decay

Half-life T_½ = 32.7(9) s respectively 3.27 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁵³V	100 %	5.02(10) MeV

Parent Nuclides

Direct parent isotope is: ⁵³Sc.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 31) and isobaric (same nucleon number A = 53) with Titanium-53. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 31	Isobar A = 53
15	⁴⁶P
16	⁴⁷S
17	⁴⁸Cl
18	⁴⁹Ar	⁵³Ar
19	⁵⁰K	⁵³K
20	⁵¹Ca	⁵³Ca
21	⁵²Sc	⁵³Sc
22	⁵³Ti	⁵³Ti
23	⁵⁴V	⁵³V
24	⁵⁵Cr	⁵³Cr
25	⁵⁶Mn	⁵³Mn
26	⁵⁷Fe	⁵³Fe
27	⁵⁸Co	⁵³Co
28	⁵⁹Ni	⁵³Ni
29	⁶⁰Cu	⁵³Cu
30	⁶¹Zn
31	⁶²Ga
32	⁶³Ge
33	⁶⁴As
34	⁶⁵Se
35	⁶⁶Br
36	⁶⁷Kr