Barium-114

Properties and data of the isotope ¹¹⁴Ba.

Contents

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

General data

Name of the isotope:Barium-114; Ba-114Symbol:¹¹⁴Ba or 11456BaMass number A:114 (= number of nucleons)Atomic number Z:56 (= number of protons)Neutrons N:58Isotopic mass:113.95072(11) u (atomic weight of Barium-114)Nuclide mass:113.9200016 u (calculated nuclear mass without electrons)Mass excess:-45.90402 MeVMass defect:0.99004692000001 u (per nucleus)Nuclear binding energy:922.2227657 MeV (per nucleus)
8.08967338 MeV (average binding energy per nucleon)Separation energy:S_N = 14.19(31) MeV (first neutron)
S_P = 1.43(10) MeV (first proton)Half-life:0.43 sDecay constant λ:1.6119701873487 s^-1Specific activity α:8.590718168347 × 10⁺²¹ Bq g^-1
232181572117.5 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1995

Radioactive Decay

Half-life T_½ = 0.43 s respectively 4.3 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy
β⁺	¹¹⁴Cs	99.1(3) %	8.78(12) MeV
β⁺, p	¹¹³Xe	20(10) %
α	¹¹⁰Xe	0.9(3) %	3,592(19) MeV
CD C-12 +	¹⁰²Sn	< 0.0034 %

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 58) and isobaric (same nucleon number A = 114) with Barium-114. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 58	Isobar A = 114
32	⁹⁰Ge
33	⁹¹As
34	⁹²Se
35	⁹³Br
36	⁹⁴Kr
37	⁹⁵Rb
38	⁹⁶Sr
39	⁹⁷Y
40	⁹⁸Zr
41	⁹⁹Nb	¹¹⁴Nb
42	¹⁰⁰Mo	¹¹⁴Mo
43	¹⁰¹Tc	¹¹⁴Tc
44	¹⁰²Ru	¹¹⁴Ru
45	¹⁰³Rh	¹¹⁴Rh
46	¹⁰⁴Pd	¹¹⁴Pd
47	¹⁰⁵Ag	¹¹⁴Ag
48	¹⁰⁶Cd	¹¹⁴Cd
49	¹⁰⁷In	¹¹⁴In
50	¹⁰⁸Sn	¹¹⁴Sn
51	¹⁰⁹Sb	¹¹⁴Sb
52	¹¹⁰Te	¹¹⁴Te
53	¹¹¹I	¹¹⁴I
54	¹¹²Xe	¹¹⁴Xe
55	¹¹³Cs	¹¹⁴Cs
56	¹¹⁴Ba	¹¹⁴Ba