Periodic Table/Dysprosium/¹³⁹Dy

← 138Dy140Dy →

¹³⁹Dy

Dysprosium-139

Radioactive· Half-life: 600 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

66

Neutrons (N)

73

Mass Number (A)

139

Atomic Mass

138.959527AMU

Spin / Parity

7/2+

Binding E/A

7.728keV

Natural Abundance

Trace / None

Half-life

600 ms

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

β⁺

100.0%

β⁺p

11.0%

Decay Chain

¹³⁹DyDysprosium600 ms

β⁺100.0%

β⁺p¹³⁸Gd11.0%

¹³⁹TbTerbium1.60 s

β⁺100.0%

β⁺p¹³⁸Eu

¹³⁹GdGadolinium5.70 s

β⁺100.0%

β⁺p¹³⁸Sm

¹³⁹EuEuropium17.9 s

β⁺100.0%

¹³⁹SmSamarium2.57 min

β⁺100.0%

¹³⁹PmPromethium4.15 min

β⁺100.0%

¹³⁹NdNeodymium29.7 min

β⁺100.0%

¹³⁹PrPraseodymium4.41 h

β⁺100.0%

¹³⁹CeCerium138 d

EC100.0%

¹³⁹LaLanthanumSTABLE

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

Other Isotopes of Dysprosium

138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176

← Back to DysprosiumData: IAEA NDS · ENSDF