Neodymium-132

Properties and data of the isotope ¹³²Nd.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

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

General data

Name of the isotope:Neodymium-132; Nd-132Symbol:¹³²Nd or 13260NdMass number A:132 (= number of nucleons)Atomic number Z:60 (= number of protons)Neutrons N:72Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.2 (= neutron-proton ratio)Neutron excess (N-Z):12Isotopic mass:131.923321(26) u (atomic weight of Neodymium-132)Nuclide mass:131.8904087 u (calculated nuclear mass without electrons)Mass excess:-71.42603 MeVMass defect:1.170054872 u (per nucleus)Nuclear binding energy:1089.89909294 MeV (per nucleus)
8.25681131 MeV (average binding energy per nucleon)Separation energy:S_N = 11.73(4) MeV (first neutron)
S_P = 4.41(5) MeV (first proton)Half-life:94(8) sDecay constant λ:0.0073739061761696 s^-1Specific activity α:3.389824555790 × 10⁺¹⁹ Bq g^-1
916168798.86222 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1977

Radioactive Decay

Half-life T_½ = 94(8) s respectively 9.4 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC/β⁺	¹³²Pr	100 %	3.80(4) MeV

Parent Nuclides

Direct parent isotope is: ¹³²Pm.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 72) and isobaric (same nucleon number A = 132) with Neodymium-132. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 72	Isobar A = 132
40	¹¹²Zr
41	¹¹³Nb
42	¹¹⁴Mo
43	¹¹⁵Tc
44	¹¹⁶Ru
45	¹¹⁷Rh
46	¹¹⁸Pd
47	¹¹⁹Ag	¹³²Ag
48	¹²⁰Cd	¹³²Cd
49	¹²¹In	¹³²In
50	¹²²Sn	¹³²Sn
51	¹²³Sb	¹³²Sb
52	¹²⁴Te	¹³²Te
53	¹²⁵I	¹³²I
54	¹²⁶Xe	¹³²Xe
55	¹²⁷Cs	¹³²Cs
56	¹²⁸Ba	¹³²Ba
57	¹²⁹La	¹³²La
58	¹³⁰Ce	¹³²Ce
59	¹³¹Pr	¹³²Pr
60	¹³²Nd	¹³²Nd
61	¹³³Pm	¹³²Pm
62	¹³⁴Sm	¹³²Sm
63	¹³⁵Eu	¹³²Eu
64	¹³⁶Gd
65	¹³⁷Tb
66	¹³⁸Dy