7 238 Th (1.4 x 10 yr.) - Radiochemistry · 2004. 3. 8. · 232Th (1.4 x 1010 yr.) 6-15-2000 HPGe:...

Table of Contents

Page -1-

Channel Number

0 100 200 300 400 500 600 700 800 900 1000 1100 1200

Co

un

ts/C

han

nel

101

102

103

104

105

106

107

1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400

232Th (1.4 x 1010 yr.)6-15-2000

HPGe: 50.5mm x 20.5mm1.246 g/cm2 Be

30cmA4061500001

low energy portion

99(22

8 Ac)

Th Kβ3/Th Kβ1

115(

212 P

b)

129(

228 A

c)

145(

228 A

c)15

3(22

8 Ac)

199(

228 A

c)20

9(22

8 Ac)

215(

228 T

h)/

216(

228 T

h)

240(

224 R

a)25

2(20

8 Tl)

238(212Pb)

233(

208 T

l) 270(

228 A

c)27

7(20

8 Tl)

288(

212 B

i) 300(

212 P

b)

278(

228 A

c)/2

78(22

8 Ac) 338

(228Ac)

340(

228 A

c)

321(

228 A

c)32

8(22

8 Ac)

/328

(212 B

i)33

2(22

8 Ac)

327(

228 A

c)

377(

228 A

c)

397(

228 A

c)39

9(22

8 Ac)

409(

228 A

c)

440(

228 A

c)44

9(22

8 Ac)

452(

212 B

i)

478(

228 A

c)

463(228Ac)

503(

228 A

c)50

8(22

8 Ac)

510(208Tl)

583(208Tl)/583(228Ac)

968(228Ac)

964(228Ac)

911(228Ac)

860(208Tl)

794(228Ac)

727(212Bi)/726(228Ac)

520(

228 A

c)52

3(22

8 Ac)

515(

228 A

c)

508(

228 A

c)

555(

228 A

c)54

8(22

8 Ac)

/549

(220 R

n)

546(

228 A

c)

562(

228 A

c)

572(

228 A

c)57

0(22

8 Ac)

610(

228 A

c)61

6(22

8 Ac)

620(

228 A

c)62

9(22

8 Ac)

640(

228 A

c)64

8(22

8 Ac)

/648

(228 A

c)65

1(22

8 Ac)

/651

(208 T

l)

666(

228 A

c)66

3(22

8 Ac)

674(

228 A

c)/6

74(22

8 Ac)

677(

228 A

c)68

8(22

8 Ac)

/688

(228 A

c)

701(

228 A

c)70

7(22

8 Ac)

722(

208 T

l)

737(

228 A

c) 755(

228 A

c)76

3(20

8 Tl)

772(

228 A

c)78

2(22

8 Ac)

785(

212 B

i)

835(

228 A

c)84

0(22

8 Ac)

830(

228 A

c)82

4(22

8 Ac)

816(

228 A

c)

870(

228 A

c)87

3(22

8 Ac)

/874

(228 A

c)

893(

212 B

i)90

4(22

8 Ac)

918(

228 A

c)92

7(20

8 Tl)

958(

228 A

c)95

2(21

2 Bi)

947(

228 A

c)94

4(22

8 Ac)

987(

228 A

c)/9

88(22

8 Ac)

982(

208 T

l)97

9(22

8 Ac)

975(

228 A

c)

1016

(228 A

c)/1

016(

228 A

c)

699(

228 A

c)

Pb, Bi, & Th K x-rays

Pb Kα2

Pb Kα1/Bi Kα2

Bi Kα1

Pb Kβ1

Bi Kβ1/Pb Kβ’2

Th Kα2/Bi Kβ’2

Th Kα1

Th Kβ’2

887(

228 A

c)88

3(20

8 Tl)

921(

228 A

c)/9

21(22

8 Ac)

x100

Table of Contents

Page -2-

Channel Number

2400 2500 2600 2700 2800 2900 3000 3100 3200 3300 3400 3500 3600

Co

un

ts/C

han

nel

101

102

103

104

105

106

107

3600 3700 3800 3900 4000 4100 4200 4300 4400 4500 4600 4700 4800

232Th (1.4 x 1010 yr.)6-15-2000


30cmA4061500001

med energy portion

1588(228Ac)

1016

(228 A

c)/1

016(

228 A

c)10

19(22

8 Ac)

1033

(228 A

c)10

3922

8 Ac)

/104

0228 A

c)

1053

(228 A

c)/1

054(

228 A

c)10

62(22

8 Ac)

1065

(228 A

c)10

74(22

8 Ac)

1078

(212 B

i)

1094

(208 T

l)/1

095(

228 A

c)11

03(22

8 Ac) 11

10(22

8 Ac)

/111

0(22

8 Ac)

1117

(228 A

c)b

kg.

1135

(228 A

c)11

42(22

8 Ac)

1153

(228 A

c)

1175

(228 A

c)

1164

(228 A

c)

1148

(228 A

c)

1217

(228 A

c)

1245

(228 A

c)12

47(22

8 Ac)

1250

(228 A

c)

1276

(228 A

c)12

82(20

8 Tl)

1286

(228 A

c)/1

287(

228 A

c)

1385

(228 A

c)

1374

(228 A

c)13

65(22

8 Ac)

1357

(228 A

c)

1347

(228 A

c)

1309

(228 A

c)13

15(22

8 Ac)

1512

(212 B

i)15

01(22

8 Ac)

1495

(228 A

c)

1480

(228 A

c)14

69(22

8 Ac)

1459

(228 A

c)14

51(22

8 Ac)

1430

(228 A

c)

1415

(228 A

c)

1401

(228 A

c)

1529

(228 A

c)15

37(22

8 Ac)

1548

(228 A

c)15

57(22

8 Ac)

1573

(228 A

c)15

80(22

8 Ac)

DE

1620

(212 B

i)16

30(22

8 Ac)

1638

(228 A

c)

1625

(228 A

c)

1666

(228 A

c)16

77(22

8 Ac)

1679

(212 B

i)16

86(22

8 Ac)

1700

(228 A

c)17

02(22

8 Ac)

1724

(228 A

c)

1738

(228 A

c)17

50(22

8 Ac)

1758

(228 A

c)

1740

(228 A

c)

1806

(212 B

i)

1823

(228 A

c)

1835

(228 A

c)18

42(22

8 Ac)

1870

(228 A

c)

1887

(228 A

c)

1907

(228 A

c)

1929

(228 A

c)

1952

(228 A

c)

1965

(228 A

c)

1559

(228 A

c)

1185

(208 T

l)

bkg

.

x100

Table of Contents

Page -3-

Channel Number

4800 5000 5200 5400 5600 5800 6000 6200 6400 6600 6800 7000 7200 7400 7600 7800 8000

Co

un

ts/C

han

nel

101

102

103

104

105

106

107

DE

2614(208Tl)

sum

( 5

83 +

210

4 )

sum

( 5

10 +

261

4 )

sum

( 5

83 +

261

4 )

232Th (1.4 x 1010 yr.)6-15-2000


30cmA4061500001

high energy portion

Table of Contents

Page -4-

Channel Number

0 25 50 75 100 125 150 175 200 225 250 275

Cou

nts

/Ch

anne

l

101

102

103

104

105

x-ra

y

238(212Pb)

334(

228 A

c)

409(

228 A

c)46

3(22

8 Ac)

510(

208 T

l)

911(228Ac)

727(

212 B

i)

794(

228 A

c)/8

35(22

8 Ac)

1588

(228 A

c)16

30(22

8 Ac)

2614(208Tl)

232Th (1.4 x 1010 yr.)source age: 12 yr.

2-27-1963 NaI: 3” dia. x 3”1.18 g/cm2 Be

10cmNaI 90-232-1

583(208Tl)

964(228Ac)

968(228Ac)

Table of Contents

Page -5-

�-

decay

�-

decay

64.06%-

decay�

�-

decay

� decay

� decay

� decay

� decay

35.94% decay�

� decay

� decay

�-

decay

Th232

(1.405 x 10 yr.)10

Ra228

(5.75 yr.)

Ac228

(6.15 hr.)

Tl208

(3.053 min.)

Ra224

(3.66 day)

Rn220

(55.6 sec.)

Po216

(0.145 sec.)

Pb212

(10.64 hr.)

Bi212

(60.55 min.)

Pb208

(stable)

Th228

(1.9116 yr.)

Po212

(0.299 µ sec.)

232Th Decay Chain

Table of Contents

Page -6-

0.0

Th23290

Ra22888

5.75 yr.

Based on 8/31/1999 NNDC/BNL Data

0+ 0.0

1.405 x 10 yr.10

100% decay�Q =4082.8�

0+ 78.2

2+ 63.81 21.7 (0.55 ns)

4+ 204.69 0.06963.8

1

140.8

8

0.0

0.0

Ra22888

Ac22889

6.15 hr.

Based on 8/5/1999 NNDC/BNL Data

Q - =45.9�

5.75 yr.

100%-�

3+

1-1+

1-

1+

�10�40

20

30 33.07

20.19

6.6706.28

26.4

12.7

5

13.5

2

6.6

7

6.2

8

0+

GAMMA-RAY ENERGIES AND INTENSITIES

Nuclide: 232Th Half Life: 1.405x1010(6) yr.

Eγ (keV) σ Eγ

��Iγ

��σIγ Level

63.81 0.01 0.263 0.013 63.81 α 140.88 0.01 0.021 0.004 204.69 α

Eγ, σEγ, Iγ, σIγ, Levels from ENSDF Database as of August 30, 1999

� These Iγ are per 100 Decays of 232

Th.

� Normalization factor is 1.000, and its uncertainty is taken to be 0.0.

��

��

�γ�� σ �γ�

��γ�

��σ�γ� ��

�� β− �� β− �� β− �� ! β− �� β− �� β− �� β− ��" �� β− �� β−

�

�γ#σ�γ#�γ#σ�γ# ��$��&'��*/;/�<�=�$��$&�>�?�$<��#�!!!

� @B�$��γ ��C��/��$&��

��

� �&�'��G�<�&J��<&��$��#�J��<$�J��<��J<��$<��J<&=��

232Th (1.4 x 1010 yr.) Decay Scheme 228Ra (5.75 yr.) Decay Scheme

Table of Contents

Page -7-

1-

2+

4+

6+

0+2+

1,2+2+

2+,3-,4+(3)+4+

2-2+3-

(4)-

2,3,4

2+

2+,3(+)3-,4+

3+2+,3,4+3+2+4+

2+,3,(4+)2+,3,4+

1,2+2+,3,4+

(2+)

8

0.8

0.65

0.23

<0.0729.9

0.313.100.26

5.925.1

3.08

0.66

1.15

0.119<0.01

0.0570.0460.244

0.00330.038

0.270.0029

0.0540.019

0.0062

0.0042

16

8.6

53

89

.12

17

42

.01

87

0.8

33

97

.94

10

62

.55

17

50

.54

18

79

.67

18

.48

77

6.5

67

91

.49

85

3.1

79

21

.98

97

5.9

6

10

00

.69

17

58

.11

18

87

.10

17

72

.21

95

8.4

10

17

.92

16

09

.41

18

00

.86

19

29

.78

21

4.8

53

72

.57

88

7.3

39

18

.97

10

40

.92

18

23

.22

19

52

.33

18

26

.71

95

5.9

38

4.6

31

05

3.0

911

48

.12

11

90

.81

19

65

.24

93

9.8

71

01

3.5

81

97

1.9

20

29

.41

85

0.1

31

97

9.3

17

95

.11

93

6.3

57.759

186.823

328.003378.179

831.823874.473

944.196968.968

1016.4061022.5271091.017

1122.9511153.4671168.375

1226.565

1539.21

1638.284

1760.2181795.90

1928.571937.16

1944.8951958.721987.46

2010.112013.6

2022.842029.842036.99

2123.1

(0.29 ns)

0.0

Ac22889

Th22890

1.9116 yr.Based on 3/17/2000 NNDC/BNL Data

3+ 0.0

6.15 hr.

100%-

decay�

Q - =2127�

0+

228Ac (6.15 hr.) Decay SchemePart 1 of 6

Table of Contents

Page -8-

0.0

Ac22889

Th22890


3+ 0.0

6.15 hr.

100%-

decay�

Q - =2127�

0+

8

0.8

0.6511.66<0.08

29.9

3.100.071

5.925.1

0.17

0.66

0.208

0.0600.8

0.1330.3890.0620.119<0.010.045

0.1120.0710.034

2+

(3)+4-

2-2+2+

(4)-

3-

2+,3-4+

(4+)4+2+,3,4+2+,3(+)3-,4+2+

3+2+(2+)

2+

4+

1-6+3-

5-

0+

57.759

186.823

328.003378.179396.078

519.192

831.823

968.968

1022.5271059.93

1122.9511153.467

1175.39

1226.565

1344.078

1416.111431.979

1735.4501743.891758.24

1760.2181795.901797.65

1892.9961899.951906.64

(0.29 ns)

1217.0

3

1357.7

8

1548.6

5

1677.6

7

399.6

2

59

0.4

68

4.0

1347.5

0

1365.7

0

1415.6

6

1557.1

1

1686.0

9

32

6.0

4

15

71

.52

1700.5

9

737.7

2

79

1.4

9

1573.2

6

1702.4

3

1276.6

9

1738.2

2

1401.4

9

1469.7

1

1740.4

17

97

.5

66

6.4

5

69

2.5

77

0.0

4

870.4

6

92

4.0

3

17

06

.19

1835.4

3

87

7.4

6

93

0.9

3

17

13

.47

1842.1

3

19

00

.07

49

0.3

3

1074.7

1

1907.1

8


Table of Contents

Page -9-

Ac22889

6.15 hr.

100%-

decay�

Q - =2127�

0+

8

0.8

0.6511.66

<0.08

0.23

<0.070.2129.90.13

0.313.100.26

5.925.1

3.080.17

0.66

8.0

1.150.804.161.12

0.1652.45

1.76

186.823

328.003396.078

519.192

874.473

944.196968.369968.968979.499

1016.4061022.5271091.017

1122.9511153.4671168.375

1175.39

1226.565

1531.474

1638.2841643.1251645.954

1682.811683.82

1688.394

1724.283

(0.29 ns)

57.7592+

4+

1-3-

5-

2+

1,2+3-2+2+

2+,3-,4+(3)+4+

2-2+3-2+

(4)-

3+

2+(2-,3-)3+2+,3(+),4+(4-)2+,3+

2+

3+ 0.0

470.2

5515.0

61309.7

11451.4

01580.5

31638.2

81

474.7

5520.1

51

674.7

5674.1

6627.2

3

699.0

81247.0

81315.3

4

114.5

6419.4

2492.3

7523.1

31

555.1

2

623.2

7629.4

0666.4

5677.1

11250.0

41459.1

38

15

88

.20

660.1

1495.9

10

1625.0

6

457.1

71164.5

01287

42.4

6672.0

0813.7

71501.5

71630.6

27

497.4

9548.7

3570.9

1701.7

47

755.3

15

1537.8

91666.5

23

1724.2

1

Th22890


0.0


Table of Contents

Page -10-

0.0

Ac22889

Th22890


3+ 0.0

6.15 hr.

100%-

decay�

Q - =2127�

0+

77

8.2

39

01

.23

1110.6

10

16

8.6

5824.9

34

947.9

82

1016.4

4

11

57

.14

1286.2

7

47

1.7

61019.8

6

10

88

.18

12

29

.40

25

7.5

22

63

.58

278.9

5

340.9

6409.4

62

45

2.4

7463.0

04

1103.4

1

1245.0

5

1374.1

9

18

.42

23

.85

28

2.0

0327.4

4

48

0.9

49

30

.93

1054.1

199.5

09

35

6.9

4377.9

9

440.4

4

508.9

59

562.5

00

13

44

.59

41

6.3

01142.8

5

648.8

4

1430.9

5

1559.8

5

8

0.8

0.6511.66

<0.08

<0.0729.90.13

3.100.26

5.925.1

3.08<0.005

0.17

0.66

0.058

0.208

0.0600.8

0.59

8.0

0.075

2+

4+

1-3-

5-

1,2+2+2+

(3)+4+

2-2+3-(5+)2+

(4)-

(5)-

3-

2+,3-4+4-

3+2,3,4

2+,3,4+

57.759

186.823

328.003396.078

519.192

944.196968.968979.499

1022.5271091.017

1122.9511153.4671168.3751174.508

1175.39

1226.565

1297.423

1344.078

1416.111431.9791450.394

1531.4741539.21

1617.78

(0.29 ns)

1142.8

5


Table of Contents

Page -11-

0.0

Ac22889

Th22890


3+ 0.0

6.15 hr.

100%-

decay�

Q - =2127�

0+

8

0.8

0.65

11.66

<0.08

0.23

<0.0729.90.13

0.313.10

0.071

0.26

5.92

5.13.08

<0.0050.17

0.66

2+

4+

1-

3-

5-

0+2+

1,2+2+2+

2+,3-,4+(3)+

4-

4+

2-

2+3-(5+)2+

(4)-

57.759

186.823

328.003

396.078

519.192

831.823874.473

944.196968.968979.499

1016.4061022.527

1059.93

1091.017

1122.951

1153.4671168.3751174.508

1175.39

1226.565

(0.29 ns)

583.4

1

651.5

1

792.8

921.9

8

979.4

8

620.3

8

688.1

0

958.6

1

1016.4

4

835.7

10

964.7

66

540.7

6663.8

2

873.1

7

904.2

0

1033.2

48

100.4

1153.9

77

726.8

63

794.9

47

1065.1

8

173.9

64

184.5

4278.9

5

321.6

46

1095.6

79

1153.5

2

77.3

4145.8

49

199.4

07

648.8

4

772.2

91

840.3

77

1110.6

10

987.7

1

231.4

2988.6

3

1117.6

3

1175.3

1

135.5

4204.0

26

707.4

1

830.4

86

1039.6

5


Table of Contents

Page -12-

0.0

Ac22889

Th22890


3+ 0.0

6.15 hr.

100%-

decay�

Q - =2127�

0+

8

0.8

0.65

<0.08

0.23

<0.07

0.2129.9

2+

4+

1-

6+3-

5-

0+

2+

0+1,2+3-2+

57.759

186.823

328.003

378.179396.078

519.192

831.823

874.473

938.58944.196968.369968.968

57

.76

6129.0

65

270.2

45

328.0

00

19

1.3

53

209.2

53

338.3

20

141.0

2

332.3

70503.8

23

77

4.1

478.3

3

546.4

7

688.1

0

816.7

1

874.4

4

610.6

4

88

0.7

6616.2

2

944.1

96

449.1

5

572.1

4

640.3

4

782.1

42

911.2

04

968.9

71


Table of Contents

Page -13-

GAMMA-RAY ENERGIES AND INTENSITIES (page 1 of 4)

Nuclide: 228Ac Eγ, σEγ, Iγ, σIγ, Levels- from ENSDF Database as of March 17, 20 Half Life: 6.15(2) hr.

Eγ (keV) σ Eγ

��Iγ

��σ Iγ Level Eγ (keV) σ Eγ

��Iγ

��σ Iγ Level


Ac.


18.4 0.014 0.004 1,450.394 β− 42.46 0.05 0.009 0.003 1,688.394 β− 56.96 0.05 0.019 0.004 β− 57.766 0.005 0.47 0.03 57.759 β− 77.34 0.03 0.026 0.005 1,168.375 β− 99.509 0.006 1.26 0.07 1,531.474 β− 100.41 0.03 0.093 0.013 1,122.951 β− 114.56 0.07 0.009 8 0.002 1 1,645.954 β− 129.065 0.001 2.42 0.09 186.823 β− 135.54 0.05 0.018 0.004 1,226.565 β− 137.91 0.05 0.024 0.005 β− 141.02 0.03 0.050 0.008 519.192 β− 145.849 0.010 0.158 0.008 1,168.375 β− 153.977 0.010 0.722 0.021 1,122.951 β− 168.65 0.10 0.010 0.003 1,344.078 β− 168.65 0.10 0.003 0 0.000 7 1,928.57 β− 173.964 0.013 0.035 0.005 1,153.467 β− 184.54 0.02 0.070 0.008 1,153.467 β− 191.353 0.010 0.123 0.008 378.179 β− 199.407 0.010 0.315 0.005 1,168.375 β− 204.026 0.010 0.112 0.015 1,226.565 β− 209.253 0.006 3.89 0.07 396.078 β− 214.85 0.10 0.029 0.004 2,010.11 β− 223.85 0.10 0.054 0.005 1,450.394 β− 231.42 0.10 0.025 0.004 1,175.39 β− 257.52 0.10 0.030 0.003 1,431.979 β− 263.58 0.10 0.040 0.004 1,431.979 β− 270.245 0.002 3.46 0.06 328.003 β− 278.95 0.05 0.160 0.021 1,153.467 β− 278.95 0.05 0.031 0.005 1,431.979 β− 282.00 0.03 0.072 0.019 1,450.394 β− 321.646 0.008 0.226 0.011 1,153.467 β− 326.04 0.20 0.033 0.005 1,758.24 β− 327.44 0.12 0.04 1,450.394 β− 328.000 0.006 2.95 0.12 328.003 β−

332.370 0.004 0.40 0.04 519.192 β− 338.320 0.003 11.27 0.19 396.078 β−β−β−β− 340.96 0.05 0.369 0.021 1,431.979 β− 356.94 0.10 0.017 0 0.001 8 1,531.474 β− 372.57 0.20 0.006 7 0.001 5 2,010.11 β− 377.99 0.10 0.025 0.003 1,531.474 β− 384.63 0.20 0.006 7 0.001 5 2,022.84 β− 389.12 0.15 0.010 3 0.001 5 1,928.57 β− 397.94 0.10 0.027 0.003 1,937.16 β− 399.62 0.10 0.029 0.003 1,743.89 β− 409.462 0.006 1.92 0.04 1,431.979 β− 416.30 0.20 0.013 2 0.002 1 1,539.21 β− 419.42 0.10 0.021 0.003 1,645.954 β− 440.44 0.05 0.121 0.008 1,531.474 β− 449.15 0.05 0.048 0.005 968.369 β− 452.47 0.10 0.015 0.005 1,431.979 β− 457.17 0.15 0.015 0 0.002 3 1,683.82 β− 463.004 0.006 4.40 0.07 1,431.979 β− 466.40 0.10 0.029 0.003 β− 470.25 0.20 0.013 0.003 1,638.284 β− 471.76 0.15 0.033 0.003 1,416.11 β− 474.75 0.10 0.022 0.003 1,643.125 β− 478.33 0.05 0.209 0.015 874.473 β− 480.94 0.20 0.023 0.005 1,450.394 β− 490.33 0.15 0.011 1 0.002 3 1,906.64 β− 492.37 0.10 0.023 5 0.002 3 1,645.954 β− 497.49 0.15 0.005 9 0.001 8 1,724.283 β− 503.823 0.013 0.182 0.012 831.823 β− 508.959 0.017 0.45 0.05 1,531.474 β− 515.06 0.10 0.049 0.005 1,638.284 β− 520.151 0.016 0.067 0.005 1,643.125 β− 523.131 0.016 0.103 0.008 1,645.954 β− 540.76 0.10 0.026 0.003 1,059.93 β− 546.47 0.05 0.201 0.013 874.473 β− 548.73 0.15 0.023 0.003 1,724.283 β−

Table of Contents

Page -14-



Eγ (keV) σ Eγ

��Iγ


��Iγ

��σ Iγ Level


Ac.


555.12 0.10 0.046 0.005 1,645.954 β− 562.500 0.004 0.87 0.03 1,531.474 β− 570.91 0.10 0.182 0.024 1,724.283 β− 572.14 0.08 0.150 0.016 968.369 β− 583.41 0.05 0.111 0.010 979.499 β− 590.4 0.017 0.003 1,743.89 β− 610.64 0.10 0.023 0.005 938.58 β− 616.22 0.03 0.080 0.005 944.196 β− 620.38 0.05 0.080 0.005 1,016.406 β− 623.27 0.20 0.011 0.003 1,645.954 β− 627.23 0.20 0.014 0.003 1,643.125 β− 629.40 0.05 0.045 0.005 1,645.954 β− 634.18 0.10 0.010 6 0.002 1 β− 640.34 0.03 0.054 0.005 968.369 β− 648.84 0.10 0.040 0.004 1,168.375 β− 648.84 0.10 0.040 0.004 1,617.78 β− 651.51 0.03 0.090 0.008 979.499 β− 660.1 0.3 0.005 ≈ 1,682.81 β− 663.82 0.10 0.028 0.006 1,059.93 β− 666.45 0.10 0.057 0.006 1,645.954 β− 666.45 0.10 0.005 0.002 1,892.996 β− 672.00 0.15 0.026 0.008 1,688.394 β− 674.16 0.109 ≤ 1,643.125 β− 674.75 0.109 ≤ 1,643.125 β− 677.11 0.10 0.062 0.005 1,645.954 β− 684.0 0.019 0.005 1,743.89 β− 688.10 0.05 0.067 0.005 874.473 β− 688.10 0.05 0.067 0.005 1,016.406 β− 692.5 0.005 6 0.000 7 1,892.996 β− 699.08 0.15 0.037 0.005 1,643.125 β− 701.747 0.014 0.173 0.010 1,724.283 β− 707.41 0.05 0.155 0.015 1,226.565 β− 718.48 0.15 0.019 0.004 1,944.895 β− 726.863 0.015 0.62 0.08 1,122.951 β−β−β−β− 737.72 0.05 0.037 0.004 1,760.218 β−

755.315 0.004 1.00 0.03 1,724.283 β− 770.04 0.006 3 0.000 8 1,892.996 β− 772.291 0.005 1.49 0.03 1,168.375 β− 774.1 0.2 0.06 831.823 β− 776.56 0.10 0.019 0.006 1,944.895 β− 778.23 0.022 0.006 1,297.423 β− 782.142 0.005 0.485 0.019 968.968 β− 791.49 0.25 0.010 0.003 1,760.218 β− 791.49 0.25 0.013 0.003 1,944.895 β− 792.8 0.08 ≈ 979.499 β− 794.947 0.005 4.25 0.07 1,122.951 β−β−β−β− 813.77 0.15 0.007 0 0.001 6 1,688.394 β− 816.71 0.10 0.030 0.003 874.473 β− 824.934 0.023 0.050 0.005 1,344.078 β− 830.486 0.008 0.540 0.021 1,226.565 β− 835.710 0.006 1.61 0.06 1,022.527 β− 840.377 0.007 0.91 0.04 1,168.375 β− 853.17 0.10 0.003 1 0.000 4 1,944.895 β− 853.17 0.10 0.008 8 0.001 8 β− 870.46 0.04 0.044 0.004 1,892.996 β− 873.17 0.15 0.031 0.006 1,059.93 β− 874.44 0.07 0.047 0.010 874.473 β− 877.46 0.10 0.014 0.003 1,899.95 β− 880.76 0.10 0.006 2 0.001 8 938.58 β− 887.33 0.10 0.027 0.003 2,010.11 β− 901.23 0.15 0.016 0.003 1,297.423 β− 904.20 0.04 0.77 0.03 1,091.017 β− 911.204 0.004 25.8 0.4 968.968 β−β−β−β− 918.97 0.10 0.027 0.003 2,010.11 β− 921.98 0.10 0.014 7 0.002 1 1,944.895 β− 921.98 0.10 0.014 7 0.002 1 979.499 β− 924.03 0.007 5 0.001 0 1,892.996 β− 930.93 0.10 0.012 4 0.001 8 1,450.394 β− 930.93 0.10 0.012 4 0.001 8 1,899.95 β− 939.87 0.15 0.009 0.003 2,029.84 β−

Table of Contents

Page -15-



Eγ (keV) σ Eγ

��Iγ


��Iγ

��σ Iγ Level


Ac.


944.196 0.014 0.095 0.008 944.196 β− 947.982 0.011 0.106 0.008 1,344.078 β− 958.61 0.04 0.28 0.04 1,016.406 β− 964.766 0.010 4.99 0.09 1,022.527 β−β−β−β− 968.971 0.017 15.8 0.3 968.968 β−β−β−β− 975.96 0.05 0.050 0.005 1,944.895 β− 979.48 0.10 0.026 0.003 979.499 β− 987.71 0.20 0.077 0.013 1,174.508 β− 988.63 0.20 0.077 0.013 1,175.39 β− 1,000.69 0.15 0.005 1,944.895 β− 1,013.58 0.20 0.004 6 0.001 3 2,029.84 β− 1,016.44 0.15 0.019 0.003 1,016.406 β− 1,016.44 0.15 0.019 0.003 1,344.078 β− 1,017.92 0.20 0.005 7 0.001 3 1,987.46 β− 1,019.86 0.10 0.021 0.004 1,416.11 β− 1,033.248 0.009 0.201 0.013 1,091.017 β− 1,039.65 0.15 0.044 0.009 1,226.565 β− 1,040.92 0.15 0.044 0.009 2,010.11 β− 1,053.09 0.20 0.013 0.004 2,022.84 β− 1,054.11 0.20 0.018 0.005 1,450.394 β− 1,062.55 0.15 0.010 0.003 1,937.16 β− 1,065.18 0.04 0.132 0.010 1,122.951 β− 1,074.71 0.15 0.010 0.003 1,906.64 β− 1,088.18 0.15 0.005 9 0.001 3 1,416.11 β− 1,095.679 0.020 0.129 0.010 1,153.467 β− 1,103.41 0.10 0.015 0 0.002 3 1,431.979 β− 1,110.610 0.010 0.285 0.023 1,168.375 β− 1,110.610 0.010 0.019 0.010 1,297.423 β− 1,117.63 0.10 0.054 0.008 1,175.39 β− 1,135.24 0.15 0.009 8 0.001 5 1,531.474 β− 1,142.85 0.15 0.0103 0.002 1 1,539.21 β− 1,148.12 0.15 0.005 9 0.001 3 2,022.84 β− 1,153.52 0.04 0.139 0.010 1,153.467 β− 1,157.14 0.15 0.007 0 0.001 3 1,344.078 β− 1,164.50 0.08 0.065 0.005 1,683.82 β−

1,175.31 0.10 0.024 0.003 1,175.39 β− 1,190.81 0.20 0.006 2 0.001 6 2,022.84 β− 1,217.03 0.10 0.021 0.003 1,735.450 β− 1,229.40 0.15 0.007 5 0.002 3 1,416.11 β− 1,245.05 0.20 0.095 0.018 1,431.979 β− 1,247.08 0.04 0.50 0.03 1,643.125 β− 1,250.04 0.10 0.062 0.005 1,645.954 β− 1,276.69 0.10 0.014 0.003 1,795.90 β− 1,286.27 0.20 0.050 0.010 1,344.078 β− 1,287.68 0.20 0.080 0.015 1,683.82 β− 1,309.71 0.20 0.019 0.006 1,638.284 β− 1,315.34 0.10 0.015 0.003 1,643.125 β− 1,337.33 0.20 0.004 9 0.001 5 β− 1,344.59 0.15 0.009 0 0.001 8 1,531.474 β− 1,347.50 0.15 0.015 0.003 1,743.89 β− 1,357.78 0.15 0.020 0.004 1,735.450 β− 1,365.70 0.15 0.014 0.003 1,743.89 β− 1,374.19 0.10 0.014 0.004 1,431.979 β− 1,378.23 0.10 0.005 9 0.001 8 β− 1,385.39 0.10 0.010 6 0.002 1 β− 1,401.49 0.10 0.012 0.003 1,797.65 β− 1,415.66 0.10 0.021 0.004 1,743.89 β− 1,430.95 0.10 0.035 0.007 1,617.78 β− 1,434.22 0.15 0.008 0 0.002 3 β− 1,438.01 0.10 0.005 9 0.001 5 β− 1,451.40 0.15 0.010 6 0.002 1 1,638.284 β− 1,459.138 0.015 0.83 0.08 1,645.954 β− 1,469.71 0.15 0.020 0.004 1,797.65 β− 1,480.37 0.15 0.016 0.003 β− 1,495.910 0.020 0.86 0.04 1,682.81 β− 1,501.57 0.05 0.46 0.03 1,688.394 β− 1,529.05 0.10 0.057 0.006 β− 1,537.89 0.10 0.047 0.005 1,724.283 β− 1,548.65 0.04 0.038 0.004 1,735.450 β− 1,557.11 0.04 0.178 0.013 1,743.89 β−

Table of Contents

Page -16-



Eγ (keV) σ Eγ

��Iγ


��Iγ

��σ Iγ Level


Ac.


1,559.85 0.20 0.020 0.004 1,617.78 β− 1,571.52 0.20 0.005 7 0.001 6 1,758.24 β− 1,573.26 0.05 0.033 0.003 1,760.218 β− 1,580.53 0.03 0.60 0.04 1,638.284 β− 1,588.20 0.03 3.22 0.08 1,645.954 β−β−β−β− 1,609.41 0.15 0.007 7 0.001 5 1,987.46 β− 1,625.06 0.05 0.255 0.018 1,682.81 β− 1,630.627 0.010 1.51 0.04 1,688.394 β− 1,638.281 0.010 0.47 0.03 1,638.284 β− 1,666.523 0.013 0.178 0.013 1,724.283 β− 1,671.64 0.15 0.004 1 0.001 3 β− 1,677.67 0.03 0.054 0.005 1,735.450 β− 1,684.01 0.20 0.015 0.005 β− 1,686.09 0.07 0.095 0.008 1,743.89 β− 1,700.59 0.20 0.010 1 0.002 3 1,758.24 β− 1,702.43 0.05 0.048 0.005 1,760.218 β− 1,706.19 0.10 0.008 5 0.001 0 1,892.996 β− 1,713.47 0.20 0.005 4 0.001 0 1,899.95 β− 1,721.4 0.3 0.005 7 0.002 1 β− 1,724.21 0.04 0.029 0.003 1,724.283 β− 1,738.22 0.25 0.018 0.004 1,795.90 β− 1,740.4 0.3 0.011 0.003 1,797.65 β− 1,742.0 0.3 0.008 0 0.002 3 1,928.57 β− 1,745.28 0.20 0.006 5 0.000 8 β− 1,750.54 0.20 0.008 0 0.000 8 1,937.16 β− 1,758.11 0.10 0.035 0.004 1,944.895 β− 1,772.2 0.3 0.001 8 0.000 5 1,958.72 β− 1,784.4 0.3 0.005 9 0.001 0 β− 1,787.3 0.5 0.001 3 0.000 5 β−

1,795.1 0.5 0.002 1 0.000 8 2,123.1 β− 1,797.5 0.5 0.002 1 0.000 8 1,797.65 β− 1,800.86 0.20 0.004 4 0.000 8 1,987.46 β− 1,823.22 0.10 0.044 0.004 2,010.11 β− 1,826.7 0.3 0.002 1 0.000 8 2,013.6 β− 1,835.43 0.10 0.038 0.004 1,892.996 β− 1,842.13 0.10 0.042 0.004 1,899.95 β− 1,850.13 0.20 0.004 4 0.000 8 2,036.99 β− 1,870.83 0.10 0.024 3 0.002 3 1,928.57 β− 1,879.6 0.3 0.001 3 0.000 5 1,937.16 β− 1,887.10 0.05 0.090 0.008 1,944.895 β− 1,900.07 0.20 0.002 8 0.000 5 1,899.95 β− 1,907.18 0.20 0.011 9 0.001 0 1,906.64 β− 1,915.9 0.4 0.000 8 0.000 3 β− 1,919.5 0.3 0.002 1 0.000 5 β− 1,929.78 0.20 0.019 9 0.002 1 1,987.46 β− 1,936.3 0.3 0.002 1 0.0005 2,123.1 β− 1,944.20 0.20 0.002 1 0.000 5 β− 1,952.33 0.15 0.059 0.005 2,010.11 β− 1,955.9 0.5 0.000 8 0.000 3 2,013.6 β− 1,958.4 0.3 0.001 5 0.000 5 1,958.72 β− 1,965.24 0.20 0.020 4 0.001 8 2,022.84 β− 1,971.9 0.3 0.003 6 0.000 8 2,029.84 β− 1,979.3 0.3 0.001 8 0.000 5 2,036.99 β− 2,000.9 0.5 0.001 0 0.000 3 β− 2,029.4 0.5 0.001 8 0.000 5 2,029.84 β−

7 238 Th (1.4 x 10 yr.) - Radiochemistry · 2004. 3. 8. · 232Th (1.4 x 1010 yr.) 6-15-2000 HPGe:...

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