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Periodic Table of Elements

Cs - Cesium

Cesium Menu

Nuclides / Isotopes

Nuc-
lide		Atomic
Mass		NNAbun
%		SpinHalf LifeDMDTBR
%		Decay
Energy
(MeV)
Cs112111.9557Syn 500us    
Cs113112.94558Syn5/2+17usPXe112~1000.974
Cs114113.94159Syn1+0.57sECXe114~10012.400
 0.57sEC + PI11379.300
 0.57sEC + aTe1100.1615.300
 0.57saI1100.023.360
Cs115114.93660Syn 1.4sEC + PI114~0.075.800
 1.4sECXe115 8.800
Cs116115.93361Syn>4+3.84sECXe116 10.500
meta state 0.000MeVSyn1+0.7sECXe116 10.500
meta state 0.000MeVSyn1+0.7sEC + aTe112>012.400
 0.7sEC + PI115>06.700
Cs117116.928662Syn9/2+8.4sECXe117 7.520
meta state 0.150MeVSyn3/2+6.5sECXe117 7.670
Cs118117.926663Syn214sEC + PI117<0.044.730
 14sEC + aTe114<0.002411.080
 14sECXe118 9.300
meta state 0.000MeVSyn7-17sEC + PI117<0.044.730
 17sEC + aTe114<0.002411.080
 17sECXe118 9.300
Cs119118.922464Syn9/2+43sECXe119 6.330
meta state 0.000MeVSyn3/2+30.4sECXe119 6.330
Cs120119.920765Syn264sECXe120 7.920
 64sEC + PI119 2.470
meta state 0.000MeVSyn 57sECXe120 7.920
Cs121120.917266Syn3/2+155sECXe121 5.400
meta state 0.068MeVSyn9/2+122sECXe121835.468
 122sIT 170.068
Cs122121.916167Syn1+21sECXe122 7.050
meta state 0.076MeVSyn8-3.7mECXe122 7.126
meta state 0.127MeVSyn5-0.36sIT  0.127
Cs123122.91368Syn1/2+5.94mECXe123 4.200
meta state 0.157MeVSyn11/2-1.64sIT  0.157
Cs124123.912269Syn1+30.8sECXe124 5.915
meta state 0.462MeVSyn7+6.3sIT  0.463
Cs125124.909770Syn1/2+45mECXe125 3.092
Cs126125.909471Syn1+1.64mECXe126 4.826
Cs127126.907472Syn1/2+6.25hECXe127 2.085
Cs128127.907873Syn1+3.66mECXe128 3.930
Cs129128.906174Syn1/2+32.06hECXe129 1.196
Cs130129.906775Syn1+29.21mECXe13098.42.983
 29.21mb-Ba1301.60.373
meta state 0.163MeVSyn5-3.46mIT 99.840.163
 3.46mECXe1300.163.146
Cs131130.905576Syn5/2+9.689dECXe131 0.352
Cs132131.906477Syn2+6.479dECXe13298.132.120
 6.479db-Ba1321.871.280
Cs133132.905578100.7/2+Stable 
Cs134133.906779Syn4+2.0648yECXe1340.00031.229
 2.0648yb-Ba134 2.059
meta state 0.139MeVSyn8-2.903hIT  0.139
Cs135134.90680Syn7/2+2300000yb-Ba135 0.269
meta state 1.633MeVSyn19/2-53mIT  1.633
Cs136135.907381Syn5+13.16db-Ba136 2.548
meta state 0.000MeVSyn8-19sITCs136>0 
 19sb-Ba136 2.548
Cs137136.907182Syn7/2+30.07yb-Ba137 1.176
Cs138137.91183Syn3-33.41mb-Ba138 5.373
meta state 0.080MeVSyn6-2.91mIT 810.080
 2.91mb-Ba138195.453
Cs139138.913484Syn7/2+9.27mb-Ba139 4.213
Cs140139.917385Syn1-63.7sb-Ba140 6.219
Cs141140.9286Syn7/2+24.94sb- + NBa1400.030.735
 24.94sb-Ba141 5.255
Cs142141.924387Syn0-1.7sb- + NBa1410.091.137
 1.7sb-Ba142 7.306
Cs143142.927388Syn3/2+1.78sb- + NBa1421.622.048
 1.78sb-Ba143 6.243
Cs144143.93289Syn11.01sb- + NBa1433.22.560
 1.01sb-Ba144 8.465
meta state 0.000MeVSyn <1sb-Ba144 8.465
Cs145144.935490Syn3/2+0.594sb- + NBa14414.33.550
 0.594sb-Ba145 7.890
Cs146145.940291Syn1-0.321sb- + NBa14514.24.320
 0.321sb-Ba146 9.380
Cs147146.94492Syn3/2+0.225sb- + NBa14628.54.740
 0.225sb-Ba147 9.250
Cs148147.94993Syn 158msb- + NBa14725.110.500
 158msb-Ba148 10.500
Cs149148.95394Syn >50ms    
Cs150149.95895Syn >50ms    
Cs151150.96296Syn      
NuclidePotential Parent Nuclides
Cs112 None known
Cs113 None known
Cs114 Ba114 (Syn)
Cs115 Ba115 (Syn)
Cs116 Ba116 (Syn)
meta state 0.000MeV None known
meta state 0.000MeV None known
Cs117 Ba117 (Syn)
meta state 0.150MeV None known
Cs118 Ba118 (Syn)
meta state 0.000MeV None known
Cs119 Ba119 (Syn) La120 (Syn)
meta state 0.000MeV None known
Cs120 Ba120 (Syn)
meta state 0.000MeV None known
Cs121 Ba121 (Syn) La122 (Syn)
meta state 0.068MeV None known
Cs122 Ba122 (Syn)
meta state 0.076MeV None known
meta state 0.127MeV None known
Cs123 Ba123 (Syn)
meta state 0.157MeV None known
Cs124 Ba124 (Syn)
meta state 0.462MeV None known
Cs125 Ba125 (Syn)
Cs126 Ba126 (Syn)
Cs127 Ba127 (Syn)
Cs128 Ba128 (Syn)
Cs129 Ba129 (Syn) Ba129m (Syn)
Cs130 None known
meta state 0.163MeV None known
Cs131 Ba131 (Syn)
Cs132 None known
Cs133 Ba133 (Syn) Ba133m (Syn) Xe133 (Syn)
Cs134 None known
meta state 0.139MeV None known
Cs135 Xe135 (Syn) Xe135m (Syn)
meta state 1.633MeV None known
Cs136 Cs136m (Syn)
meta state 0.000MeV None known
Cs137 Xe137 (Syn)
Cs138 Xe138 (Syn)
meta state 0.080MeV None known
Cs139 Xe139 (Syn)
Cs140 Xe140 (Syn) Xe141 (Syn)
Cs141 Xe141 (Syn) Xe142 (Syn)
Cs142 Xe142 (Syn)
Cs143 Xe143 (Syn)
Cs144 Xe144 (Syn) Xe145 (Syn)
meta state 0.000MeV None known
Cs145 Xe145 (Syn)
Cs146 None known
Cs147 None known
Cs148 None known
Cs149 None known
Cs150 None known
Cs151 None known

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