Xenon-147

Properties and data of the isotope ¹⁴⁷Xe.

Content

General data

Name of the isotope:Xenon-147; Xe-147Symbol:¹⁴⁷Xe or 14754XeMass number A:147 (= number of nucleons)Atomic number Z:54 (= number of protons)Neutrons N:93Isotopic mass:146.95452(21) u (atomic weight of Xenon-147)Nuclide mass:146.9248986 u (calculated nuclear mass without electrons)Mass excess:-42.36435 MeVMass defect:1.273868916 u (per nucleus)Nuclear binding energy:1186.60125204 MeV (per nucleus)
8.07211736 MeV (average binding energy per nucleon)Separation energy:S_N = 2.48(20) MeV (first neutron)Half-life:0.10 sDecay constant λ:6.9314718055995 s^-1Specific activity α:2.859061615068 × 10⁺²² Bq g^-1
772719355423.92 Ci g^-1Spin and parity:
(nuclear angular momentum)(3/2-)Year of discovery:1994

Radioactive Decay

Half-life T_½ = 0.10 s respectively 1.0 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹⁴⁷Cs	?	9.56(20) MeV
β^-, n	¹⁴⁶Cs	< 8 %	4.88(20) MeV

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 93) and isobaric (same nucleon number A = 147) with Xenon-147. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 93	Isobar A = 147
54	¹⁴⁷Xe	¹⁴⁷Xe
55	¹⁴⁸Cs	¹⁴⁷Cs
56	¹⁴⁹Ba	¹⁴⁷Ba
57	¹⁵⁰La	¹⁴⁷La
58	¹⁵¹Ce	¹⁴⁷Ce
59	¹⁵²Pr	¹⁴⁷Pr
60	¹⁵³Nd	¹⁴⁷Nd
61	¹⁵⁴Pm	¹⁴⁷Pm
62	¹⁵⁵Sm	¹⁴⁷Sm
63	¹⁵⁶Eu	¹⁴⁷Eu
64	¹⁵⁷Gd	¹⁴⁷Gd
65	¹⁵⁸Tb	¹⁴⁷Tb
66	¹⁵⁹Dy	¹⁴⁷Dy
67	¹⁶⁰Ho	¹⁴⁷Ho
68	¹⁶¹Er	¹⁴⁷Er
69	¹⁶²Tm	¹⁴⁷Tm
70	¹⁶³Yb
71	¹⁶⁴Lu
72	¹⁶⁵Hf
73	¹⁶⁶Ta
74	¹⁶⁷W
75	¹⁶⁸Re
76	¹⁶⁹Os
77	¹⁷⁰Ir
78	¹⁷¹Pt
79	¹⁷²Au
80	¹⁷³Hg