Caesium radioactive isotope number 1: 112Cs |
| Neutrons: | 57; |
| Jn: | 0+,3+; |
| Decay: | p : 100.00 %; |
| t1/2: | 0.0005s ≈ 0.50 ms; |
Caesium radioactive isotope number 2: 113Cs |
| Neutrons: | 58; |
| Jn: | 3/2+; |
| Decay: | p : 100.00 %
α; |
| t1/2: | 1.67E-05s ≈ 16.70 µs; |
Caesium radioactive isotope number 3: 114Cs |
| Neutrons: | 59; |
| Jn: | 1+; |
| Decay: | ε ~ 100.00 %
ε p : 8.70 %
ε α : 0.19 %
α : 0.02 %; |
| t1/2: | 0.57s ; |
Caesium radioactive isotope number 4: 115Cs |
| Neutrons: | 60; |
| Jn: | Unknown; |
| Decay: | ε : 100.00 %
ε p ~ 0.07 %; |
| t1/2: | 1.4s ; |
Caesium radioactive isotope number 5: 116Cs |
| Neutrons: | 61; |
| Jn: | 1+; |
| Decay: | ε : 100.00 %
ε p > 0.00 %
ε α > 0.00 %; |
| t1/2: | 0.7s ; |
Caesium radioactive isotope number 6: 116Cs |
| Neutrons: | 61; |
| Jn: | 4+,5,6; |
| Decay: | ε : 100.00 %
ε α > 0.00 %
ε p > 0.00 %; |
| t1/2: | 3.85s ; |
Caesium radioactive isotope number 7: 117Cs |
| Neutrons: | 62; |
| Jn: | 9/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 8.4s ; |
Caesium radioactive isotope number 8: 117Cs |
| Neutrons: | 62; |
| Jn: | 3/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 6.5s ; |
Caesium radioactive isotope number 9: 118Cs |
| Neutrons: | 63; |
| Jn: | 2; |
| Decay: | ε : 100.00 %
ε p < 0.04 %
ε α < 2.4E-3 %; |
| t1/2: | 14s ; |
Caesium radioactive isotope number 10: 118Cs |
| Neutrons: | 63; |
| Jn: | 6,7,8; |
| Decay: | ε : 100.00 %
ε p < 0.04 %
ε α < 2.4E-3 %; |
| t1/2: | 17s ; |
Caesium radioactive isotope number 11: 119Cs |
| Neutrons: | 64; |
| Jn: | 9/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 43s ; |
Caesium radioactive isotope number 12: 119Cs |
| Neutrons: | 64; |
| Jn: | 3/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 30.4s ; |
Caesium radioactive isotope number 13: 120Cs |
| Neutrons: | 65; |
| Jn: | 2+; |
| Decay: | ε : 100.00 %
ε α : 2.0E-5 %
ε p : 7.0E-6 %; |
| t1/2: | 61.3s ; |
Caesium radioactive isotope number 14: 120Cs |
| Neutrons: | 65; |
| Jn: | 7-; |
| Decay: | ε : 100.00 %; |
| t1/2: | 57s ; |
Caesium radioactive isotope number 15: 121Cs |
| Neutrons: | 66; |
| Jn: | 3/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 155s ≈ 2.58 m; |
Caesium radioactive isotope number 16: 121Cs |
| Neutrons: | 66; |
| Jn: | 9/2+; |
| Decay: | ε : 83.00 %
IT : 17.00 %; |
| t1/2: | 122s ≈ 2.03 m; |
Caesium radioactive isotope number 17: 122Cs |
| Neutrons: | 67; |
| Jn: | 1+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 21s ; |
Caesium radioactive isotope number 18: 122Cs |
| Neutrons: | 67; |
| Jn: | 8-; |
| Decay: | ε : 100.00 %; |
| t1/2: | 222s ≈ 3.70 m; |
Caesium radioactive isotope number 19: 122Cs |
| Neutrons: | 67; |
| Jn: | 5-; |
| Decay: | IT : 100.00 %; |
| t1/2: | 0.36s ; |
Caesium radioactive isotope number 20: 123Cs |
| Neutrons: | 68; |
| Jn: | 1/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 352.8s ≈ 5.88 m; |
Caesium radioactive isotope number 21: 123Cs |
| Neutrons: | 68; |
| Jn: | 11/2-; |
| Decay: | IT : 100.00 %; |
| t1/2: | 1.64s ; |
Caesium radioactive isotope number 22: 124Cs |
| Neutrons: | 69; |
| Jn: | 1+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 30.8s ; |
Caesium radioactive isotope number 23: 124Cs |
| Neutrons: | 69; |
| Jn: | 7+; |
| Decay: | IT : 100.00 %; |
| t1/2: | 6.3s ; |
Caesium radioactive isotope number 24: 125Cs |
| Neutrons: | 70; |
| Jn: | 1/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 2802s ≈ 46.70 m; |
Caesium radioactive isotope number 25: 125Cs |
| Neutrons: | 70; |
| Jn: | 11/2-; |
| Decay: | IT : 100.00 %; |
| t1/2: | 0.0009s ≈ 0.90 ms; |
Caesium radioactive isotope number 26: 126Cs |
| Neutrons: | 71; |
| Jn: | 1+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 98.4s ; |
Caesium radioactive isotope number 27: 127Cs |
| Neutrons: | 72; |
| Jn: | 1/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 22500s ≈ 6.25 h; |
Caesium radioactive isotope number 28: 127Cs |
| Neutrons: | 72; |
| Jn: | 11/2-; |
| Decay: | IT : 100.00 %; |
| t1/2: | 5.5E-05s ≈ 55.00 µs; |
Caesium radioactive isotope number 29: 128Cs |
| Neutrons: | 73; |
| Jn: | 1+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 219.6s ≈ 3.66 m; |
Caesium radioactive isotope number 30: 129Cs |
| Neutrons: | 74; |
| Jn: | 1/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 115416s ≈ 32.06 h; |
Caesium radioactive isotope number 31: 130Cs |
| Neutrons: | 75; |
| Jn: | 1+; |
| Decay: | ε : 98.40 %
β - : 1.60 %; |
| t1/2: | 1752.6s ≈ 29.21 m; |
Caesium radioactive isotope number 32: 130Cs |
| Neutrons: | 75; |
| Jn: | 5-; |
| Decay: | IT : 99.84 %
ε : 0.16 %; |
| t1/2: | 207.6s ≈ 3.46 m; |
Caesium radioactive isotope number 33: 131Cs |
| Neutrons: | 76; |
| Jn: | 5/2+; |
| Decay: | ε : 100.00 %; |
| t1/2: | 837129.6s ≈ 9.69 d; |
Caesium radioactive isotope number 34: 132Cs |
| Neutrons: | 77; |
| Jn: | 2+; |
| Decay: | ε : 98.13 %
β - : 1.87 %; |
| t1/2: | 559872s ≈ 6.48 d; |
Caesium radioactive isotope number 35: 134Cs |
| Neutrons: | 79; |
| Jn: | 4+; |
| Decay: | β - : 100.00 %
ε : 3.0E-4 %; |
| t1/2: | 65128150s ≈ 2.07 y; |
Caesium radioactive isotope number 36: 134Cs |
| Neutrons: | 79; |
| Jn: | 8-; |
| Decay: | IT : 100.00 %; |
| t1/2: | 10483.2s ≈ 2.91 h; |
Caesium radioactive isotope number 37: 135Cs |
| Neutrons: | 80; |
| Jn: | 7/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 7.25328E+13s ≈ 2.300000e+6 y; |
Caesium radioactive isotope number 38: 135Cs |
| Neutrons: | 80; |
| Jn: | 19/2-; |
| Decay: | IT : 100.00 %; |
| t1/2: | 3180s ≈ 53.00 m; |
Caesium radioactive isotope number 39: 136Cs |
| Neutrons: | 81; |
| Jn: | 5+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 1126656s ≈ 13.04 d; |
Caesium radioactive isotope number 40: 136Cs |
| Neutrons: | 81; |
| Jn: | 8-; |
| Decay: | IT > 0.00 %
β -; |
| t1/2: | 19s ; |
Caesium radioactive isotope number 41: 137Cs |
| Neutrons: | 82; |
| Jn: | 7/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 947026100s ≈ 30.03 y; |
Caesium radioactive isotope number 42: 138Cs |
| Neutrons: | 83; |
| Jn: | 3-; |
| Decay: | β - : 100.00 %; |
| t1/2: | 2004.6s ≈ 33.41 m; |
Caesium radioactive isotope number 43: 138Cs |
| Neutrons: | 83; |
| Jn: | 6-; |
| Decay: | IT : 81.00 %
β - : 19.00 %; |
| t1/2: | 174.6s ≈ 2.91 m; |
Caesium radioactive isotope number 44: 139Cs |
| Neutrons: | 84; |
| Jn: | 7/2+; |
| Decay: | β - : 100.00 %; |
| t1/2: | 556.2s ≈ 9.27 m; |
Caesium radioactive isotope number 45: 140Cs |
| Neutrons: | 85; |
| Jn: | 1-; |
| Decay: | β - : 100.00 %; |
| t1/2: | 63.7s ; |
Caesium radioactive isotope number 46: 141Cs |
| Neutrons: | 86; |
| Jn: | 7/2+; |
| Decay: | β - : 100.00 %
β -n : 0.04 %; |
| t1/2: | 24.84s ; |
Caesium radioactive isotope number 47: 142Cs |
| Neutrons: | 87; |
| Jn: | 0-; |
| Decay: | β - : 100.00 %
β -n : 0.09 %; |
| t1/2: | 1.684s ; |
Caesium radioactive isotope number 48: 143Cs |
| Neutrons: | 88; |
| Jn: | 3/2+; |
| Decay: | β - : 100.00 %
β -n : 1.64 %; |
| t1/2: | 1.791s ; |
Caesium radioactive isotope number 49: 144Cs |
| Neutrons: | 89; |
| Jn: | 1; |
| Decay: | β - : 100.00 %
β -n : 3.20 %; |
| t1/2: | 0.994s ; |
Caesium radioactive isotope number 50: 144Cs |
| Neutrons: | 89; |
| Jn: | GE4; |
| Decay: | β - ; |
| t1/2: | 1s ; |
Caesium radioactive isotope number 51: 145Cs |
| Neutrons: | 90; |
| Jn: | 3/2+; |
| Decay: | β - : 100.00 %
β -n : 14.30 %; |
| t1/2: | 0.594s ; |
Caesium radioactive isotope number 52: 146Cs |
| Neutrons: | 91; |
| Jn: | 1-; |
| Decay: | β - : 100.00 %
β -n : 14.20 %; |
| t1/2: | 0.321s ; |
Caesium radioactive isotope number 53: 147Cs |
| Neutrons: | 92; |
| Jn: | 3/2+; |
| Decay: | β - : 100.00 %
β -n : 43.00 %; |
| t1/2: | 0.235s ; |
Caesium radioactive isotope number 54: 148Cs |
| Neutrons: | 93; |
| Jn: | Unknown; |
| Decay: | β - : 100.00 %
β -n : 25.10 %; |
| t1/2: | 0.146s ; |
Caesium radioactive isotope number 55: 149Cs |
| Neutrons: | 94; |
| Jn: | Unknown; |
| Decay: | β -n
β -; |
| t1/2: | 0.05s ≈ 50.00 ms; |
Caesium radioactive isotope number 56: 150Cs |
| Neutrons: | 95; |
| Jn: | Unknown; |
| Decay: | β -
β -n; |
| t1/2: | 0.05s ≈ 50.00 ms; |
Caesium radioactive isotope number 57: 151Cs |
| Neutrons: | 96; |
| Jn: | Unknown; |
| Decay: | β -n
β -; |
| t1/2: | 0.05s ≈ 50.00 ms; |
