Titanium-43

Properties and data of the isotope ⁴³Ti.

Content

General data

Name of the isotope:Titanium-43; Ti-43Symbol:⁴³Ti or 4322TiMass number A:43 (= number of nucleons)Atomic number Z:22 (= number of protons)Neutrons N:21Isotopic mass:42.968523(8) u (atomic weight of Titanium-43)Nuclide mass:42.9564545 u (calculated nuclear mass without electrons)Mass excess:-29.32064 MeVMass defect:0.38559094000001 u (per nucleus)Nuclear binding energy:359.17564706 MeV (per nucleus)
8.35292202 MeV (average binding energy per nucleon)Separation energy:S_N = 12.288(7) MeV (first neutron)
S_P = 4.489(7) MeV (first proton)Half-life:509(5) msDecay constant λ:1.3617822800785 s^-1Specific activity α:1.952582074094 × 10⁺²² Bq g^-1
527724884890.51 Ci g^-1Spin and parity:
(nuclear angular momentum)7/2-Magnetic dipole moment:μ(μ_N) = 0.85(2)Nuclear g-factor:g_l = 0.24285714285714Mirror nucleus:Scandium-43Year of discovery:1948

Radioactive Decay

Half-life T_½ = 509(5) ms respectively 5.09 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	⁴³Sc	100 %	6.867(7) MeV
EE, p	⁴²Ca	?

Parent Nuclides

Direct parent isotope is: ⁴³V.

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear Isomer	Excitation Energy	Half-life	Spin
^43m1Ti	313(1) keV	11.9(3) μs	(3/2+)
^43m2Ti	3066.4(10) keV	556(6) ns	(19/2-)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 21) and isobaric (same nucleon number A = 43) with Titanium-43. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 21	Isobar A = 43
9	³⁰F
10	³¹Ne
11	³²Na
12	³³Mg
13	³⁴Al	⁴³Al
14	³⁵Si	⁴³Si
15	³⁶P	⁴³P
16	³⁷S	⁴³S
17	³⁸Cl	⁴³Cl
18	³⁹Ar	⁴³Ar
19	⁴⁰K	⁴³K
20	⁴¹Ca	⁴³Ca
21	⁴²Sc	⁴³Sc
22	⁴³Ti	⁴³Ti
23	⁴⁴V	⁴³V
24	⁴⁵Cr	⁴³Cr
25	⁴⁶Mn	⁴³Mn
26	⁴⁷Fe
27	⁴⁸Co
28	⁴⁹Ni