Ytterbium-176m

Properties and data of the isotope ^176mYb.

Contents

General data

Name of the isotope:Ytterbium-176m; Yb-176mSymbol:^176mYb or 176m70YbMass number A:176 (= number of nucleons)Atomic number Z:70 (= number of protons)Neutrons N:106Isotopic mass:175.94258(2) u (atomic weight of Ytterbium-176m)
Excitation energy: 1049.8(6) keVNuclide mass:175.9041829 u (calculated nuclear mass without electrons)Mass excess:-53.48639 MeVMass defect:1.523653336 u (per nucleus)Nuclear binding energy:1419.27394056 MeV (per nucleus)
8.06405648 MeV (average binding energy per nucleon)Half-life:11.4(3) sDecay constant λ:0.060802384259644 s^-1Specific activity α:2.09234584360 × 10⁺²⁰ Bq g^-1
5654988766.5108 Ci g^-1Spin and parity:
(nuclear angular momentum)8-

Radioactive Decay

Half-life T_½ = 11.4(3) s respectively 1.14 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
Iso	¹⁷⁶Yb	100 %

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
¹⁷⁶Yb		stable	0+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 106) and isobaric (same nucleon number A = 176) with Ytterbium-176m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 106	Isobar A = 176
64	¹⁷⁰Gd
65	¹⁷¹Tb
66	¹⁷²Dy
67	¹⁷³Ho
68	¹⁷⁴Er	¹⁷⁶Er
69	¹⁷⁵Tm	¹⁷⁶Tm
70	¹⁷⁶Yb	¹⁷⁶Yb
71	¹⁷⁷Lu	¹⁷⁶Lu
72	¹⁷⁸Hf	¹⁷⁶Hf
73	¹⁷⁹Ta	¹⁷⁶Ta
74	¹⁸⁰W	¹⁷⁶W
75	¹⁸¹Re	¹⁷⁶Re
76	¹⁸²Os	¹⁷⁶Os
77	¹⁸³Ir	¹⁷⁶Ir
78	¹⁸⁴Pt	¹⁷⁶Pt
79	¹⁸⁵Au	¹⁷⁶Au
80	¹⁸⁶Hg	¹⁷⁶Hg
81	¹⁸⁷Tl	¹⁷⁶Tl
82	¹⁸⁸Pb
83	¹⁸⁹Bi
84	¹⁹⁰Po
85	¹⁹¹At