Ytterbium-160

Properties and data of the isotope ¹⁶⁰Yb.

Contents

General data

Name of the isotope:Ytterbium-160; Yb-160Symbol:¹⁶⁰Yb or 16070YbMass number A:160 (= number of nucleons)Atomic number Z:70 (= number of protons)Neutrons N:90Isotopic mass:159.937560(8) u (atomic weight of Ytterbium-160)Nuclide mass:159.8991629 u (calculated nuclear mass without electrons)Mass excess:-58.16249 MeVMass defect:1.39003468 u (per nucleus)Nuclear binding energy:1294.80896421 MeV (per nucleus)
8.09255603 MeV (average binding energy per nucleon)Separation energy:S_N = 10.395(19) MeV (first neutron)
S_P = 4.881(29) MeV (first proton)Half-life:4.8(2) minDecay constant λ:0.0024067610436109 s^-1Specific activity α:9.115631459643 × 10⁺¹⁸ Bq g^-1
246368417.82821 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Charge radius:5.1781(76) femtometer fmYear of discovery:1967

Radioactive Decay

Half-life T_½ = 4.8(2) min (minutes) respectively 2.88 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC/β⁺	¹⁶⁰Tm	100 %	2.14(4) MeV

Parent Nuclides

Direct parent isotope is: ¹⁶⁰Lu.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 90) and isobaric (same nucleon number A = 160) with Ytterbium-160. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 90	Isobar A = 160
51	¹⁴¹Sb
52	¹⁴²Te
53	¹⁴³I
54	¹⁴⁴Xe
55	¹⁴⁵Cs
56	¹⁴⁶Ba
57	¹⁴⁷La
58	¹⁴⁸Ce
59	¹⁴⁹Pr	¹⁶⁰Pr
60	¹⁵⁰Nd	¹⁶⁰Nd
61	¹⁵¹Pm	¹⁶⁰Pm
62	¹⁵²Sm	¹⁶⁰Sm
63	¹⁵³Eu	¹⁶⁰Eu
64	¹⁵⁴Gd	¹⁶⁰Gd
65	¹⁵⁵Tb	¹⁶⁰Tb
66	¹⁵⁶Dy	¹⁶⁰Dy
67	¹⁵⁷Ho	¹⁶⁰Ho
68	¹⁵⁸Er	¹⁶⁰Er
69	¹⁵⁹Tm	¹⁶⁰Tm
70	¹⁶⁰Yb	¹⁶⁰Yb
71	¹⁶¹Lu	¹⁶⁰Lu
72	¹⁶²Hf	¹⁶⁰Hf
73	¹⁶³Ta	¹⁶⁰Ta
74	¹⁶⁴W	¹⁶⁰W
75	¹⁶⁵Re	¹⁶⁰Re
76	¹⁶⁶Os	¹⁶⁰Os
77	¹⁶⁷Ir
78	¹⁶⁸Pt