Table A-3. CUMULATIVE YIELDS OF MAJOR FISSION PRODUCTS IN THERMAL NEUTRON FISSION OF U-235 AND Pu-239

Nuclide

Half-life

Decay constant λ, l/s

Fission yields(Y), %

Y*λ

U-235

Pu-239

U-235

(U+Pu)/2

Br-84

31.80 m

3.63E-04

0.967

0.444

0.706

3.51E-06

2.56E-06

Kr-85 m

4.48 h

4.30E-05

1.300

0.565

0.933

5.59E-07

4.01E-07

Kr-85

10.72 y

2.05E-09

0.285

0.128

0.207

5.86E-12

4.24E-12

Kr-87

1.37 h

1.41E-04

2.520

0.990

1.755

3.54E-06

2.47E-06

Kr-88

2.84 h

6.78E-05

3.550

1.320

2.435

2.41E-06

1.65E-06

Kr-89

3.15 m

3.67E-03

4.600

1.440

3.020

1.69E-04

1.11E-04

Kr-90

32.30 s

2.15E-02

4.860

1.400

3.130

1.04E-03

6.72E-04

Rb-88

17.70 m

6.53E-04

3.570

1.360

2.465

2.33E-05

1.61E-05

Rb-89

15.40 m

7.50E-04

4.770

1.680

3.225

3.58E-05

2.42E-05

Rb-90

2.60 m

4.44E-03

4.500

1.390

2.945

2.00E-04

1.31E-04

Rb-90 m

4.30 m

2.69E-03

1.240

0.680

0.960

3.33E-05

2.58E-05

Rb-91

58.00 s

1.19E-02

5.670

2.160

3.915

6.77E-04

4.67E-04

Sr-89

50.50 d

1.59E-07

4.780

1.690

3.235

7.59E-09

5.14E-09

Sr-90

29.10 y

7.55E-10

5.910

2.110

4.010

4.46E-11

3.03E-11

Sr-91

9.51 h

1.93E-04

5.930

2.490

4.210

1.14E-05

8.11E-06

Sr-92

2.71 h

7.10E-05

5.910

3.040

4.475

4.20E-06

3.18E-06

Sr-93

7.40 m

1.56E-03

6.370

3.920

5.145

9.94E-05

8.03E-05

Y-90

2.67 d

3.00E-06

5.920

2.110

4.015

1.78E-07

1.21E-07

Y-91

58.50 d

1.37E-07

5.930

2.490

4.210

8.13E-09

5.77E-09

Y-92

3.54 h

5.44E-05

5.980

3.060

4.520

3.25E-06

2.46E-06

Y-93

10.20 h

1.89E-05

6.370

3.920

5.145

1.20E-06

9.71E-07

Zr-95

64.00 d

1.25E-07

6.490

4.890

5.690

8.14E-09

7.13E-09

Zr-97

16.80 h

1.15E-05

5.930

5.320

5.625

6.80E-07

6.45E-07

Nb-95

34.97 d

2.29E-07

6.490

4.890

5.690

1.49E-08

1.31E-08

Nb-97

1.23 h

1.57E-04

5.950

5.370

5.660

9.31E-06

8.86E-06

Mo-99

2.79 d

2.88E-06

6.120

6.160

6.140

1.76E-07

1.77E-07

Mo-101

14.60 m

7.91E-04

5.180

5.940

5.560

4.10E-05

4.40E-05

Tc-98 m

6.02 h

3.20E-05

5.380

5.420

5.400

1.72E-06

1.73E-06

Tc-101

14.20 m

8.14E-04

5.180

5.950

5.565

4.21E-05

4.53E-05

Tc-104

18.00 m

6.42E-04

1.920

5.960

3.940

1.23E-05

2.53E-05

Ru-103

39.27 d

2.04E-07

3.040

6.950

4.995

6.21E-09

1.02E-08

Ru-105

4.44 h

4.34E-05

0.972

5.360

3.166

4.22E-07

1.37E-06

Ru-106

1.02 y

2.15E-08

0.403

4.280

2.342

8.68E-11

5.05E-10

Rh-105

35.40 h

5.44E-06

0.972

5.360

3.166

5.29E-08

1.72E-07

Sb-125

2.76 y

7.96E-09

0.029

0.115

0.072

2.31E-12

5.73E-12

Te-129 m

33.60 d

2.39E-07

0.127

0.270

0.199

3.03E-10

4.74E-10

Te-132

3.26 d

2.46E-06

4.280

5.230

4.755

1.05E-07

1.17E-07

I-131

8.04 d

9.98E-07

2.880

3.850

3.365

2.87E-08

3.36E-08

I-132

2.28 h

8.44E-05

4.320

5.390

4.855

3.65E-06

4.10E-06

I-133

20.80 h

9.26E-06

6.690

6.930

6.810

6.19E-07

6.30E-07

I-134

52.60 m

2.20E-04

7.710

7.270

7.490

1.69E-05

1.65E-05

I-135

6.57 h

2.93E-05

6.300

6.450

6.375

1.85E-06

1.87E-06

I-136

1.39 m

8.31E-03

2.970

1.740

2.355

2.47E-04

1.96E-04



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