Gamma Energy (KeV)

Nuclide

Half-Life

Percent Yield per decay

 

8

Er-169

9.4 days

0.3

22

Sm-151

87 years

4

24

Sn-199m

250 days

16

30

Ba-140

12.8 days

11

31

Mg-28

21 hours

96

35

I-125

60 days

7

35

Te-125m

58 days

7

37

Br-80m

4.38 hours

36

40

Rh-103m

57 minutes

0.4

40

I-129

1.7x107 years

9

47

Pb-210

21 years

4

51

Rh-104m

4.41 minutes

47

53

Te-132

78 hours

17

58

Gd-159

18.0 hours

3

58

Dy-159

144 days

4

59

Te-127m

109 days

0.19

60

Am-241

458 years

36

63

Yb-169

32 days

45

63

Th-234

24.1 days

3.5

68

Ta-182

115 days

42

68

Ti-44

48 hours

90

70

Sm-153

47 hours

5.4

77

Pt-197

18 hours

20

77

Hg-197

65 hours

18

78

Ti-44

48 hours

98

80

Ba-133

7.2 years

36

81

Ho-166

26.9 hours

5.4

81

Xe-133

5.27 days

37

84

Tm-170

130 days

3.3

84

Th-228

1.90 years

1.6

87

Eu-155

1.81 years

32

88

Pd-109  /  Ag-109m

13.47 hours / 40 seconds

5

Gamma Energy (KeV)

Nuclide

Half-Life

Percent Yield per decay

 

88

Cd-109  /  Ag-109m

453 days / 40 seconds

5

88

Lu-176m

3.7 hours

10

91

Nd-147

11.1 days

28

93

Th-234

24.1 days

4

95

Dy-165

139.2 minutes

4

99

Gd-153

242 days

55

99

Au-195

183 days

10

100

Pa-234

6.75 hours

50

103

Sm-153

47 hours

28

104

Sm-155

23 minutes

73

105

Eu-155

1.81 years

20

113

Lu-177

6.7 days

2.8

122

Co-57

270 days

87

122

Eu-152

12 years

37

123

Eu-154

16 years

38

124

Ba-131

12 days

28

128

Cs-134m

2.9 hours

14

129

Os-191

15 days

25

133

Hf-181

42.5 days

48

134

Ce-144

284 days

11

136

Hg-197m

24 hours

42

137

Re-186

90 hours

9

140

Tc-99m

6 hours

90

143

U-235

7.1 x 108 years

11

145

Ce-141

33 days

48

147

Ta-182m

16.5 minutes

40

150

Te-131

25 minutes

68

150

Cd-111m

48.6 minutes

30

150

Kr-85m

4.4 hours

74

Gamma Energy (KeV)

Nuclide

Half-Life

Percent Yield per decay

 

155

Re-188

16.7 hours

10

158

Au-199

75.6 hours

37

163

Ba-140

12.8 days

6

164

Xe-131m

11.8 days

2

166

Ba-139

82.9 minutes

23

172

Ta-182m

16.5 minutes

40

185

U-235

7.1 x 108 years

54

186

Ra-226

1602 years

4

191

Mo-101

14.6 minutes

25

191

Pt-197

18 hours

6

192

In-114m

50.0 days

17

198

Yb-169

32 days

35

208

Lu-177

6.7 days

6.1

210

Ge-77

11.3 hours

61

215

Hf-180m

5.5 hours

82

215

Ru-97

2.9 days

91

230

Te-132

78 hours

90

233

Xe-133m

2.26 days

14

239

Pb-212

10.64 hours

47

239

As-77

38.7 hours

2.5

246

Sm-155

23 minutes

4

247

Cd-111m

48.6 minutes

94

250

Xe-135

9.2 hours

91

255

Sn-133

115 days

1.8

263

Ge-77

11.3 hours

45

265

Ge-75

82 minutes

11

265

Se-75

120.4 days

60

279

Hg-203

46.9 days

77

284

I-131

8.05 days

5.4

286

Pm-149

53.1 hours

2

293

Ce-143

33 hours

46

295

Pb-214

26.8 minutes

19

Gamma Energy (KeV)

Nuclide

Half-Life

Percent Yield per decay

 

299

Tb-160

72.1 days

30

305

Kr-85m

4.4 hours

13

307

Tc-101

14.0 minutes

91

308

Er-171

7.52 hours

63

310

Pa-233

27.0 days

44

317

Ir-192

74.2 days

81

319

Nd-147

11.1 days

3

320

Cr-51

27.8 days

9

325

Sn-125m

9.7 minutes

97

328

Ir-194

17.4 hours

10

333

Hf-180m

5.5 hours

93

335

Cd-115 / In-115m

53.5 hours / 4.5 hours

50

342

Ag-111

7.5 days