Ytterbium-148

Properties and data of the isotope ¹⁴⁸Yb.

Content

General data

Name of the isotope:Ytterbium-148; Yb-148Symbol:¹⁴⁸Yb or 14870YbMass number A:148 (= number of nucleons)Atomic number Z:70 (= number of protons)Neutrons N:78Isotopic mass:147.96742(64) u (atomic weight of Ytterbium-148)Nuclide mass:147.9290229 u (calculated nuclear mass without electrons)Mass excess:-30.34807 MeVMass defect:1.256195688 u (per nucleus)Nuclear binding energy:1170.1387462 MeV (per nucleus)
7.90634288 MeV (average binding energy per nucleon)Half-life:250 msDecay constant λ:2.7725887222398 s^-1Specific activity α:1.135844886530 × 10⁺²² Bq g^-1
306985104467.73 Ci g^-1Spin and parity:
(nuclear angular momentum)0+

Radioactive Decay

Half-life T_½ = 250 ms respectively 2.5 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	¹⁴⁸Tm	?

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 78) and isobaric (same nucleon number A = 148) with Ytterbium-148. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 78	Isobar A = 148
43	¹²¹Tc
44	¹²²Ru
45	¹²³Rh
46	¹²⁴Pd
47	¹²⁵Ag
48	¹²⁶Cd
49	¹²⁷In
50	¹²⁸Sn
51	¹²⁹Sb
52	¹³⁰Te
53	¹³¹I
54	¹³²Xe	¹⁴⁸Xe
55	¹³³Cs	¹⁴⁸Cs
56	¹³⁴Ba	¹⁴⁸Ba
57	¹³⁵La	¹⁴⁸La
58	¹³⁶Ce	¹⁴⁸Ce
59	¹³⁷Pr	¹⁴⁸Pr
60	¹³⁸Nd	¹⁴⁸Nd
61	¹³⁹Pm	¹⁴⁸Pm
62	¹⁴⁰Sm	¹⁴⁸Sm
63	¹⁴¹Eu	¹⁴⁸Eu
64	¹⁴²Gd	¹⁴⁸Gd
65	¹⁴³Tb	¹⁴⁸Tb
66	¹⁴⁴Dy	¹⁴⁸Dy
67	¹⁴⁵Ho	¹⁴⁸Ho
68	¹⁴⁶Er	¹⁴⁸Er
69	¹⁴⁷Tm	¹⁴⁸Tm
70	¹⁴⁸Yb	¹⁴⁸Yb
71	¹⁴⁹Lu