Periodic Table/Samarium/¹⁴¹Sm

← 140Sm142Sm →

¹⁴¹Sm

Samarium-141

Radioactive· Half-life: 10.2 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

62

Neutrons (N)

79

Mass Number (A)

141

Atomic Mass

140.918482AMU

Spin / Parity

1/2+

Binding E/A

8.041keV

Natural Abundance

Trace / None

Half-life

10.2 min

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁺

100.0%

Decay Chain

¹⁴¹SmSamarium10.2 min

β⁺100.0%

¹⁴¹PmPromethium20.9 min

β⁺100.0%

¹⁴¹NdNeodymium2.49 h

β⁺100.0%

EC¹⁴¹Pr97.3%

e+¹⁴¹Pr2.72%

¹⁴¹PrPraseodymiumSTABLE

4-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Samarium

128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168

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