Periodic Table/Cesium/¹¹⁵Cs

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¹¹⁵Cs

Cesium-115

Radioactive· Half-life: 1.40 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

55

Neutrons (N)

60

Mass Number (A)

115

Atomic Mass

114.935910AMU

Spin / Parity

9/2+

Binding E/A

7.972keV

Natural Abundance

Trace / None

Half-life

1.40 s

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

β⁺

100.0%

β⁺p

0.1%

Decay Chain

¹¹⁵CsCesium1.40 s

β⁺100.0%

β⁺p¹¹⁴I0.07%

¹¹⁵XeXenon18.0 s

β⁺100.0%

β⁺p¹¹⁴Te0.34%

¹¹⁵IIodine1.30 min

β⁺100.0%

¹¹⁵TeTellurium5.80 min

β⁺100.0%

¹¹⁵SbAntimony32.1 min

β⁺100.0%

¹¹⁵SnTinSTABLE

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

Other Isotopes of Cesium

111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152

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