HPGe: 82 mm dia. X 83 mm 2 Be 351 295 609 241 · Table of Contents Page -2- ˘ˇˆ 226Ra (1600 yr.) 7-2-2000 HPGe: 82 mm dia. X 83 mm

Table of Contents

Page -1-

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226Ra (1600 yr.)7-2-2000

HPGe: 82 mm dia. X 83 mm 0.01” SS + 1.246 g/cm2 Be

43 cmA4070200001

low energy portion

46(21

0 Pb

)53

(214 P

b)

Bi K

α2

Po

Kβ2

196(

214 P

b)

185/

186/

186/

187

258(

214 P

b)

273(

214 B

i)27

4(21

4 Pb

)28

0(21

4 Bi)/

280(

214 B

i)

304(

214 B

i)/30

4(21

4 Bi)/

305(

214 P

b)

314(

214 B

i)/3

14(21

4 Bi)

323(

214 P

b)

333(

214 B

i)/3

34(21

4 Bi)

/334

(214 B

i)34

8(21

4 Bi)

241(214Pb)

295(214Pb)

351(214Pb)

386(

214 B

i)38

8(21

4 Bi)

394(

214 B

i)39

6(21

4 Bi)

405(

214 B

i)

452(

214 B

i)/4

54(21

4 Bi)

462(

214 P

b)/4

61(21

4 Bi)

469(

214 B

i)

474(214Bi)

487(

214 P

b)/4

86(21

4 Bi)/

DE

501(

214 B

i)

480(

214 P

b)

ann

. rad

./511

(214 P

b)

519(

214 B

i)52

4(21

4 Bi)

533(

214 P

b)

536(

214 B

i)54

3(21

4 Pb

)/54

3(21

4 Bi)

547(

214 B

i)

572(

214 B

i)58

0(21

4 Pb

)59

5(21

4 Bi)

598(214Bi)/600(214Bi)

630(

214 B

i)63

3(21

4 Bi)

615(

214 B

i)/61

7(21

4 Bi)

609(214Bi)

639(

214 B

i)/D

E

768(214Bi) 934

/934/934(214Bi)

1120(214Bi)

1238(214Bi)

649(

214 B

i)

665(

214 B

i)

683(

214 B

i)

703(

214 B

i)/7

04(21

4 Bi)

697(

214 B

i)

710(

214 B

i)71

9(21

4 Bi)

DE

661(

214 B

i)65

8(21

4 Bi)

722(

214 B

i)

752(

214 B

i)D

E73

3(21

4 Bi)

740(

214 B

i)

765(

214 P

b)

785(

214 P

b)/

786(

214 B

i)79

9(21

0 Tl)

806(

214 B

i)81

5(21

4 Bi)

826(

214 B

i)/D

E82

1(21

4 Bi)

832(

214 B

i)83

9(21

4 Pb

)84

7(21

4 Bi)

873(

214 B

i)

904(

214 B

i)91

5(21

4 Bi)

930(

214 B

i)93

8(21

4 Bi)

/939

(214 B

i)94

3(21

4 Bi)

964(

214 B

i)97

6(21

4 Bi)

1013

(214 B

i)10

21(21

4 Bi)

1032

(214 B

i)/1

033(

214 B

i)

1051

(214 B

i)10

45(21

4 Bi)

1069

(214 B

i)10

67(21

4 Bi)

DE 11

03(21

4 Bi)

/110

4(21

4 Bi)

1133

(214 B

i)11

30(21

4 Bi)

1155

(214 B

i)11

67(21

4 Bi)

1172

(214 B

i)D

E

1206

(214 B

i)/1

207(

214 B

i)S

E

1226(214Bi)/1226(214Bi)

1230

(214 B

i)

1253

(214 B

i)

Bi & Po K x-rays

Bi K

α1B

i Kβ1

Bi K

β2/ P

o K

β1

Po

Kα1

x100

Table of Contents

Page -2-

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226Ra (1600 yr.)7-2-2000


43 cmA4070200001

medium energy portion

1377(214Bi)

1280

(214 B

i)12

84(21

4 Bi)

/128

5(21

4 Bi)

1303

(214 B

i)13

16(21

4 Bi)

/131

7(21

4 Bi)

1330

(214 B

i)S

E13

41(21

4 Bi)

DE

1385

(214 B

i)

1401

(214 B

i) 1407(214Bi)

1387

(214 B

i)

1470

(214 B

i)14

79(21

4 Bi)

1509

(214 B

i)

1538

(214 B

i)15

43(21

4 Bi)

1583

(214 B

i)15

94(21

4 Bi)

1599

(214 B

i)S

E

1636

(214 B

i)

1657

(214 B

i)16

61(21

4 Bi)

1683

(214 B

i)S

E/1

693(

214 B

i)

1665

(214 B

i)

1729(214Bi)

1764(214Bi)

1847(214Bi)

2118(214Bi)

2293(214Bi)

2447(214Bi)

2204(214Bi)

1813

(214 B

i) 1838

(214 B

i)

1873

(214 B

i)

1890

(214 B

i)18

95(21

4 Bi)

1898

(214 B

i)

SE

SE

/193

5(21

4 Bi)

2010

(214 B

i)20

21(21

4 Bi)

2052

(214 B

i)

2109

(214 B

i)

2089

(214 B

i)20

85(21

4 Bi)

2016

(214 B

i)

2192

(214 B

i)

2147

(214 B

i)

2184

(214 B

i)21

76(21

4 Bi)

2251

(214 B

i)22

60(21

4 Bi)

2266

(214 B

i)

2312

(214 B

i)23

25(21

4 Bi)

2331

(214 B

i)

2423

(214 B

i)

2469

(214 B

i)

2482

(214 B

i)/2

482(

214 B

i)

2505

(214 B

i)

SE

2361

(214 B

i)23

69(21

4 Bi)

2376

(214 B

i)x100

Table of Contents

Page -3-

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� � 226Ra (1600 yr.)7-2-2000


43 cmA4070200001

high energy portion

2694

(214 B

i)

SE

bkg

2699

(214 B

i)27

19(21

4 Bi) 27

69(21

4 Bi)

2785

(214 B

i)

2827

(214 B

i)

2880

(214 B

i)28

93(21

4 Bi)

2921

(214 B

i)29

28(21

4 Bi) 29

78(21

4 Bi)

3000

(214 B

i) 3053(214Bi)

3081

(214 B

i)

3142

(214 B

i)

3183

(214 B

i)

Table of Contents

Page -4-

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226Ra (1600 yr.)12-30-1971

Ge(Li): 55 cm3 coaxial1 g/cm2

20 cm88-226-5

low energy portion

Bi K x-rays

351(214Pb)

609(214Bi)

768(214Bi)

1120(214Bi) 1238

(214Bi)

1729(214Bi)

186/

187

196(

214 P

b)

241(

214 P

b)

258(

214 P

b)

273(

214 B

i)/2

74(21

4 Pb

)28

0(21

4 Bi)

304(

214 B

i)/3

04(21

4 Bi)

/305

(214 P

b)

348(

214 B

i)

388(

214 B

i)40

5(21

4 Bi)

533(

214 P

b)

543(

214 P

b)/

543(

214 B

i)

580(

214 P

b)

719(

214 B

i)

DE

752(

214 B

i) 785(

214 P

b)

806(

214 B

i)

821(214Bi)

839(

214 P

b)

904(

214 B

i)

934(

214 B

i)/9

34(21

4 Bi)

/934

(214 B

i)

964(

214 B

i)

1032

(214 B

i)/1

033(

214 B

i)10

51(21

4 Bi)

1069

(214 B

i)

DE

1133

(214 B

i)

1172

(214 B

i)D

E

1206

(214 B

i)/1

207(

214 B

i)

1253

(214 B

i)D

E12

80(21

4 Bi)

1303

(214 B

i)13

16(21

4 Bi)

/131

7(21

4 Bi)

DE

1377(214Bi)

1385

(214 B

i) 1401

(214 B

i)

DE

1479

(214 B

i)

1509

(214 B

i)

1538

(214 B

i)

1583

(214 B

i)

SE

1661

(214 B

i)

1683

(214 B

i)S

E/1

693(

214 B

i)

511-

An

n.R

ad.

1103

(214 B

i)/1

104(

214 B

i)

1155

(214 B

i)

703(

214 B

i)

826(

214 B

i)

SEx10

Kα2

Kα1

Kβ1

Kβ2

333(

214 B

i)/3

34(21

4 Bi)

/334

(214 B

i)

1407

(214 B

i)

1594

(214 B

i)15

99(21

4 Bi)

295(214Pb)

323(

214 P

b)

314(

214 B

i)/

314(

214 B

i)

454(

214 B

i)46

2(21

4 Pb

)46

9(21

4 Bi)

474(

214 B

i)

487(

214 P

b)/

486(

214 B

i)48

0(21

4 Pb

)

386(

214 B

i)

572(

214 B

i)

710(214Bi)+DE

615(

214 B

i)63

3(21

4 Bi)

639(

214 B

i)64

9(21

4 Bi)

665(

214 B

i)68

3(21

4 Bi)

697(

214 B

i)

733(

214 B

i)

1657

(214 B

i)1543

(214 B

i)

Table of Contents

Page -5-

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1764(214Bi)

1847(214Bi)

2118(214Bi)

2204(214Bi)

2293(214Bi)

2447(214Bi)

2694

(214 B

i)

3053(214Bi)

1838

(214 B

i)

1873

(214 B

i)18

90(21

4 Bi)

1895

(214 B

i)

2010

(214 B

i)20

21(21

4 Bi)

2052

(214 B

i)

2089

(214 B

i)21

09(21

4 Bi)

2147

(214 B

i)

2192

(214 B

i)

2331

(214 B

i)

2376

(214 B

i)

2505

(214 B

i)

2769

(214 B

i)27

85(21

4 Bi)

2827

(214 B

i)

2880

(214 B

i)28

93(21

4 Bi)

3000

(214 B

i)

3081

(214 B

i)

SE

SE

/193

5(21

4 Bi)

226Ra (1600 yr.)12-30-1971

Ge(Li): 55 cm3 coaxial1 g/cm2

20 cm88-226-5

high energy portion

2921

(214 B

i)

2978

(214 B

i)

1898

(214 B

i)

2266

(214 B

i)22

60(21

4 Bi)

2251

(214 B

i)

Table of Contents

Page -6-

GAMMA-RAY ENERGIES AND INTENSITIES

Nuclide: 226Ra Half Life: 1600(7) yr.

Eγ (keV) σ Eγ ��

Iγ ��σIγ Level

34.8 1.6 635.47 α 186.211 0.013 3.59 0.06 186.211 α 187.10 0.20 635.47 α 262.27 0.05 0.005 0 0.000 5 448.37 α 414.60 0.05 0.000 3 600.66 α 449.37 0.10 0.000 19 635.47 α 600.66 0.05 0.000 49 600.66 α

Eγ, σEγ, Iγ, σIγ, Levels from ENSDF Database as of May 1, 2000

� These Iγ are per 100 Decays of 226

Ra.

� Normalization factor is 1.0, and its uncertainty is taken to be 0.0.

� decay

� decay

� decay

� decay

� decay

99.980% decay�

99.9% decay�

0.021% decay�

1.96x10 % decay-9 �

0.020% - decay�

99.979% - decay�

�- decay

�- decay

�- decay

�- decay�- decay

�- decay

0.1% - decay�

Ra226

(1600 yr.)

Rn222

(3.8 day)

Po218

(3.1 min.)

Pb214

(26 min.)

Bi214

(19 min.)

Tl210

(1.3 min.)

Hg206

(8.15 min.)

Tl206

(4.199 min.)

Pb206

(stable)

Pb210

(22 yr.)

At218

(1.5 sec.)

Rn218

(35 msec.)

Po214

(164 sec.)�

Bi210

(5.0 day)

Po210

(138 day)

C14

(3.2x10 %)-9

0+

2+

4+

1-3-

186.2

11

26

2.2

7

41

4.6

0

60

0.6

6

34

.8

187.1

0

44

9.3

7

0.0

186.211

448.37

600.66635.47

94.45

5.55 (0.32 ns)

0.0065

0.00100.00027

0+ 0.0

100% decay�Ra226

88

Rn22286

3.8235 dayBased on 5/1/2000

NNDC/BNL Data

Q =4870.63�

1600 yr.

226Ra (1600 yr.) Decay Scheme226Ra Decay Chain

http://id.inel.gov/cgi-bin/byteserver.pl/gamma/pdf/pb210.pdf

Table of Contents

Page -7-

99.92

0.078

0.0005

0.0

0.0

Rn22286

Po21884

3.10 min.

Based on 5-4-2000 NNDC/BNL Data

511

675

0+

0+

2+

51

0

Q =5590.3�100% decay�

3.8235 day

0.0

Po21884

Pb21482

26.8 min.

Based on 5/4/2000 NNDC/BNL Data

0+

3.10 min.

Q =6114.68�99.980% decay�

0+ 99.9989

0.0

At21885

1.5 sec.

Q-=264

0.020%-

decay�


0.00+

0.0

At21885

Bi21483

19 min.


0+

1.5 sec.

Q =6871�99.9% decay�

1-

0.0

0.0

Rn21884

3.5 msec.

0+

Q-=2883

0.1%-

decay�


24

1.9

97

205.6

8

19

6.2

53

.22

75

538.4

1

48

0.4

32

74

.83

23

.83

31

4.3

2

78

5.9

65

80

.13

54

3.8

1 48

7.0

94

62

30

5.2

6

511

83

9.0

4

53

3.6

6

35

1.9

32

29

5.2

24

25

8.8

7

1-

0+ 0.0

0.0

Pb21482

Bi21492

19.9 min.Based on 5/4/*2000 NNDC/BNL Data

Q -=1023�100%-

decay�

26.8 min.

6.3

(2)- 53.2275 (<0.1 ns)62.7

258.87(2)-295.224 (<0.05 ns)1-42.2

351.932 (<0.1 ns)0-,1-48.9377.03

533.67(1-)1.18

797.240.021

839.001+2.77888.00.034

0.0

Rn21886

Po21484

164 usec.


0+

35 msec.

Q =7262.6�100% decay�

609.312+ 0.127

0+ 99.87

0.0

60

9.3

1

222Rn (3.8 day)Decay Scheme

218Po (3.10 min.)Decay Scheme

218At (1.5 sec.)Decay Scheme

218Rn (35 msec.)Decay Scheme

214Pb (26.8 min.)Decay Scheme

Table of Contents

Page -8-

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� γ�&;�=*� σ γ��

�γ��σ �γ� �� γ�&;�=*� σ γ�

��γ�

��σ �γ� ��

� '#>� � � � "�#?� β−� >@#��?>� �#��A� A#�� #@� >@#��?>� β−� >"#$�� @>A#'@�� β−� "�#?� � � � "�#?� β−� A�?#�� #�'� �#�A>� �#��@� � β−� AA$#A"� � � � @??#�@� β−� A@?#�>� �#@�� #��"� B� � β−� A�A#@� �#"� �#�� B� � β−� A?�#�?� �#�"� �#�@�� #��"� � β−� A$A#>� � � � >@@#"?� β−� A'"#�� #�>� �#�"'� �#�A�� >$#$?� β−� ��>#"$� �#�'� �#�AA>� �#��A�� >$#$?� β−� �A"#�?� �#�?� �#�� #��>� � β−� �@$#�� #�A>� B� >@@#"?� β−� ��(�� ( �� (�� (�� (�� β−β−β−β− � �>$#$?� �#�� #>�� #�AA� �>$#$?� β−� �?�#$�� #�>� �#�?�� #�AA� >@@#"?� β−

��(�� ( �� (�� (�� (�� β−β−β−β− �'$#?"� � �#�� B� @>A#'@�� β− @�>#�"� �#�@� �#�@A� �#��@� $@'#�� β− @A�#@�� #�?� �#�?$� �#��A� @??#�@� β− @�@#$@� �#�� #��$� �#�� @??#�@� β− ��(�� ( �� (�� (�� (�� β−β−β−β− �"�#�� #�?� �#��A� �#��'� $@'#�� β− �$�#�@� �#�� #@�� #�AA� >@@#"?� β− �$?#�'� �#�?� �#�� #�A"� $@'#�� β− >AA#�� #�� #�@�� #�A�� $$$#�� β− >@@#""� �#�� #A$"� �#��'� >@@#"?� β− >@$#�A� �#�$� �#�� #��@� ?'?#�� β− >�@#$A� �#�?� �#�"'� �#�A�� $@'#�� β− >$�#A@� �#�@� �#@>�� #�A�� $@'#�� β− ?">#'"� �#�'� �#�?$� �#�A�� β− ?$>#'"� �#�'� A#�?� �#�$� $@'#�� β− $@'#�� #�'� �#>$?� �#�A�� $@'#�� β−

�

�� CG��γ ��J��A��

'�#�

� ��K��/��A#��/��/��/��;�/��#�#�


Nuclide: 218Rn Half Life: 35(5) msec.



609.31 0.06 0.124 0.007 609.31 α Eγ, σEγ, Iγ, σIγ, Levels from ENSDF Database as of May 4, 2000


Rn.

��Normalization factor is 1.0, and its uncertainty is taken to be 0.0.


Nuclide: 218At Half Life: 1.5(3) sec.



No gamma’s α Eγ, σEγ, Iγ, σIγ, Levels from ENSDF Database as of March 13, 2001

� no gamma rays produced

��!�"�"��#"$��%�#�&"�$#&#"$�

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� γ�&;�=*� σ γ��

�γ��σ�γ� ��

� ��O��P�� α

�

γ��σγ��γ��σ�γ��

�� /��O��J��

��!�"�"��#"$��%�#�&"�$#&#"$�

�� !�� @#$�@>&@*��

� γ�&;�=*� σ γ��

�γ��σ�γ� ��

� >A�� #�?"� � >AA� α γ��σγ��γ��σ�γ��

�� CG��γ ��J��A��

��#�

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Table of Contents

Page -9-

0.0

Bi21483

Po21484

164.3 usBased on 5/4/2000 NNDC/BNL Data

3262.4

3183.6 0.001291+,1-,2+3173.3 �0.000143164.83160.4 0.000781+,1-,2+3149.2 �0.000091+,1-,2+3142.6 0.00121+,1-,2+3139.0

3094.0 <0.0014(1-,2+)3081.7 0.00481+,1-,2+3078.73068.33053.9 0.0351+,1-,2+3039.33030.33022.3

2010.81 1.372+

1764.498 17.021+1729.611 17.82+

1661.28 0.722+

1415.484

7.431377.6752+

1274.761(3)-

1015.05(4+)609.316 1.72+

18.20+

1,5

32

.8

3,1

83.6

2,5

64

.0

2,5

55

.1

3,1

60

.6

2,5

50

.7

3,1

49

.0

2,5

40

.3

3,1

42.6

2,5

29

.7

3,0

94

.0 2,4

82.8

1,8

19

.2

1,7

17

.0

3,0

81.7

2,4

69.4

2,4

59

.0

3,0

53

.92

,44

4.7

1,6

37

1,2

06.4

2,4

30

.0

2,4

21

.0

2,4

13

.1

1,7

47

.2

1,6

44

.0

1,3

61

.2

1,0

11

.8

Q - =3272� 99.979% - decay�

0.01-

19.9 min.

0+ 0.81

0.0

Bi21483

Tl21081


582(3+)0.000052

498(4+,5+)0.000044

334(6+)0.00013

253.6(4+,5+)0.0012

62.5(4+)0.011

(5+)0.0082

1.30 min.

19

1.1

62

.5

0.021% decay�

19.9 min.1-

Q =5621�

0.0

214Bi (19.9 min.) Decay SchemePart 1 of 7

Table of Contents

Page -10-

0.0

Bi21483

Po21484


3014.1 0.0451+,1-,2+3005.8

3003 0.0073000.0 0.01041(-),2+

2986.2 0.009(1-),2+,2-

2978.8 0.01651+,1-,2+

2967.62962.8 0.0004

2940.6 0.0421(-),2+,2-2934.5 0.00221+,1-,2+2928.6 0.00111+,1-,2+2921.8 0.0231+,1-,2+2919.5 0.0014

2893.6 �0.0111+,1-,2+

2719.22 0.278

2699.2 0.0531(-),2+

2447.70 2.81

1+,2-,2+

2266.39 0.2011(-),2+

1847.431 8.182+

1729.611 17.82+

1661.28 0.722+1543.375 2.95 (99 ps)2+1415.484 0.810+1377.675 7.432+1274.761(3)-1015.05(4+)609.316 1.72+

18.20+

2,897.00 0.0046

2,3

31.3

1,6

65.8 1,2

79.0

2,9

34.6

2,3

25.0

2,9

28.6

2,3

19.3

2,9

21

.92,3

12.4

2,3

10.2

2,2

87.6

5

2,8

93.5

2,2

84.3 1

,515.5

626.4

1,6

36.3

1,5

98.0

1,4

70.9

1,3

53.4 1

,285.1

314.9

2,3

96.5

1,1

56

3,0

00.0

2,3

90.8

1,7

23.7

551.9

2,3

76.9

1,7

11.0

2,9

78

.92,3

69.0

2,3

58.0

1,6

93.4

2,3

53.5

280.6

2,4

05.1

19.9 min.

Q - =3272�99.979% - decay�

0.01-

1-


Table of Contents

Page -11-

0.0

Bi21483

Po21484


2880.3 0.0105

2869.6 0.0142861.1 0.0142

1+,1-,2+ 2827.0 0.0023

1+,1-,2+

2802.6

2794.12785.9 0.036

1+,1-,2+

2769.9 0.0361+,1-,2+

2728.59 0.561,22719.22 0.2781+,1-,2+

2699.2 0.0532698.8 0.054

1(-),2+1(-),2+

2544.9 0.053

2447.70 2.811-

2208.672204.13 5.72

2,31+

2118.552 4.262088.41 0.0961+,1-,2+

2010.81 1.372+1994.63 1.14(2)-

2+ 1847.431 8.181764.498 17.021+

1742.98 0.1130+

2+ 1661.28 0.721543.375 2.95 (99 ps)2+1415.484 0.810+1377.675 7.432+1274.761(3)-

609.316 1.72+

18.20+

2,8

80.3

2,2

70

.92

,26

0.3

1,5

95

42

22

,86

1.1 2,2

51

.61

,31

7.7

1,0

13

.82

,82

7.0

28

2.0

2,1

93

.31

,03

8.0

59

8.5

2,1

84

.82

,78

5.9

2,1

76

.51,0

21

.00

93

8.6

55

81

.92

,76

9.9

2,1

60

.4 1,3

92

.51

,22

6.7

02

,12

0.0 1

,35

11

,06

7.29

64

.08 73

3.8

052

4.6

51

9.9

02

80

.95

2,7

19

.32

,10

9.9

21,3

41

.49

1,3

03

.76 9

76

.18

70

8.863

0.7

960

0.0

2,6

99

.42

,08

9.7

0 1,1

55

.61

,03

8.0

93

4.5

68

7.6

49

4.2

Q - =3272�

0.01-

19.9 min.

99.979% - decay�

1+,1-,2+

1+


Table of Contents

Page -12-

0.0

Bi21483

Po21484


2694.60 0.2632662.29 0.127(2+)2630.85 0.0211+,1-,2+2604.66 0.084(2+)

2562.4 0.000182553.0 �0.00012544.9 0.0532508.2 0.14

2505.21 0.1931(-),2+

2447.70 2.811-

2208.67(2,3)2204.13 5.721+

2017.30 2.202010.81 1.372+1994.63 1.14(2)-

1890.287 1.592+1847.431 8.182+1764.498 17.021+

1742.98 0.1130+1729.611 17.82+1712.93 0.15(3)+1661.28 0.722+

1543.375 2.952+1415.484 0.81 (99 ps)0+1377.675 7.432+1274.761(3)-

609.316 1.72+

18.20+

2,6

94

.72

,08

5.1

1,4

19

.7

1,3

16

.96

1,0

33

.30

96

5.0

09

52

.2 93

0.2

84

7.1

66

99

.82

67

7.4

14

85

.92

24

7.2

2,6

62

.4 2,0

52

.94

1,3

87

.51

,28

41

,11

8.9 94

9.8

65

1.5

02

,63

0.9 2,0

21

.6 1,2

53

.14

86

6.0

2,6

04

.51

,99

4.6

1,3

30

.0

1,2

26

.7 94

3.3

48

91

.88

40

.4

39

6.0

1

Q - =3272�

0.01-

19.9 min.

99.979% - decay�

2,5

62

.01

,95

3.4

2,5

53

.01

,94

3.7

1,9

35

.5 1,1

67

.33

6.8

1,8

98

.7 1,1

30

.29

96

5.0

04

96

.90

30

4.2

0+

1(-),2+


Table of Contents

Page -13-

0.0

Bi21483

Po21484


2505.21 0.193

2482.46 1.33(2)+

2447.70 2.811-2423.19 0.081+,2-,2+

2360.8 <0.021+,1-,2+2348.3 �0.000141+,1-,2+

2293.34 0.5591(+),2+2266.39 0.2011(-),2+

2208.67(2,3)2204.13 5.721+

2192.56 0.8322+

2147.78 0.4201(-),2+

2088.41 0.0961+,1-,2

1994.63 1.14

2+ 1847.431 8.18

1764.498 17.021+1742.98 0.1130+

1729.611 17.82+

1661.28 0.72

1543.375 2.95

2+

1415.484 0.81 (99 ps)0+

1377.675 7.432+

1274.761(3)-

609.316 1.72+

18.20+

2,5

05

.41

,89

5.9

21

,23

0.6

96

1.6

12

,48

2.8

1,8

73

.16

1,2

07

.68

1,1

04

.79

93

9.6

82

1.1

87

52

.84 63

4.7

24

87

.95 39

4.0

5 33

4.7

82

73

.82

,44

7.8

61

,83

8.3

61

,17

2.9

81

,06

9.9

61

,03

2.3

79

04

.29 78

6.17

04

.96

83

.22

45

2.9

22

55

.16

2,4

23

.27

1,8

13

.73 1,0

45

.67

10

.3 69

3.36

58

.73

34

.78

23

02

,36

1.0

01

,75

1.4

63

0.7

92

,34

8.0

1,7

39

.1

2,2

93.4

01

,68

3.9

9 91

5.7

48

78

.03

2,2

66

.51

1,6

57

.00

99

1.4

97

22

.98

53

6.7

75

01

.96

61

.0

Q - =3272�

0.01-19.9 min.

99.979% - decay�

2+

(2)-

1(-),2+


Table of Contents

Page -14-

0.0

Bi21483

Po21484


2208.672204.13 5.721+

2192.56 0.8322+

2147.78 0.4201(-),2+

2118.552 4.261+

2088.41 0.0961+,1-,2+

2017.30 2.200+2010.81 1.372+1994.63 1.14(2)-

2+,3

1764.498 17.021742.98 0.1130+

1729.611 17.82+1712.93 0.15(3)+

1661.28 0.722+

1543.375 2.952+

1415.484 0.81 (99 ps)0+

1377.675 7.432+

1274.761(3)-

609.316 1.72+

18.20+

1,5

99

.31

93

4.1

54

7.6

2,2

04.2

11

,59

4.7

3 82

6.3

78

8.6

66

1.1 54

3.0 4

74

.41

46

1.0

2,1

92

.58

1,5

83

.22

91

7.8 8

15

.00

64

9.1

84

28

.0

2,1

47

.90

1,5

38

.50

87

3.0

77

69

.7

48

6.7

2,1

18.5

51

,50

9.2

3 74

0.7

37

03

.11

38

8.8

81

,47

9.1

5 71

0.6

77

1.1

2,0

16

.7 1,4

07.9

86

39

.67

35

6.0

0

25

2.8

0

2,0

10

.78

1,4

01

.50 6

33

.14

59

5.2

32

97

.81

1,3

85

.31

71

9.8

66

17

.0

Q - =3272�

0.01-

19.9 min.

99.979% - decay�

1+


Table of Contents

Page -15-

0.0

Bi21483

Po21484


2010.81 1.37

1994.63 1.14(2)-

1890.287 1.592+

1847.431 8.182+

1764.498 17.021+1742.98 0.1130+

1729.611 17.82+1712.93 0.15(3)+

1661.28 0.722+

1543.375 2.952+

1415.484 0.81 (99 ps)0+

1377.675 7.432+

1274.761(3)-

1015.05(4+)

609.316 1.72+

18.20+

2,0

10

.78

1,4

01

.50

63

3.1

45

95

.23

29

7.8

11

,38

5.3

17

19

.86

61

7.0 57

9.1

4

33

3.3

12

30

10

4.4

1,8

90

.30 1

,28

0.9

66

15

.73

1,8

47

.42 1,2

38

.11 83

2.3

95

72

.76

46

9.7

6 30

4.2

1,7

64

.49

1,1

55

.19

38

6.7

73

48

.92

22

11

,13

3.6

6

1,7

29

.59

51

,12

0.2

87

45

4.7

73

51

.91

,10

3.6

46

97

.90

1,6

61

.28 1

,05

1.9

61

,54

3.3

2

93

4.0

61

52

82

68

.81

,41

5.8

80

6.1

74

1,3

77

.66

97

68

.35

66

65

.45

34

05

.74

60

9.3

12

99.979% - decay�Q - =3272�

19.9 min.1- 0.0

2+


Table of Contents

Page -16-

GAMMA-RAY ENERGIES AND INTENSITIES (page 1 of 5)

Nuclide: 214Bi Eγ, σEγ, Iγ, σIγ, Levels- from ENSDF Database as of May 4, 2000 Half Life: 19.9(4) min.


Iγ ��σ Iγ Level Eγ (keV) σ Eγ

��Iγ

��σ Iγ Level


Bi.


36.8 0.2 2,544.9 β− 61.0 0.8 2,266.39 β−

62.5 62.5 α 71.1 0.2 2,088.41 β− 104.4 0.2 1,994.63 β−

191.1 253.6 α 221 1 0.003 0.001 1,764.498 β− 230 1 2,423.19 β− 230 1

0.004 1,994.63 β−

247.2 0.8 2,694.60 β− 252.80 0.06 0.003 0.001 2,017.30 β− 255.16 0.10 2,447.70 β− 268.8 0.2 0.02 0.01 1,543.375 β− 273.80 0.05 0.15 0.03 2,482.46 β− 280.6 0.4 3,000.0 β− 280.95 0.05 0.060 0.010 2,728.59 β− 282.0 0.4 2,827.0 β− 297.81 0.24 2,010.81 β− 304.2 0.2 2,508.2 β− 304.2 0.2

0.042 1,847.431 β−

314.9 0.8 3,014.1 β− 333.31 0.06 0.08 0.02 1,994.63 β− 334.78 0.08 2,482.46 β− 334.78 0.08

0.034 2,423.19 β−

348.92 0.06 0.12 0.04 1,764.498 β− 351.9 0.5 0.07 0.01 1,729.611 β− 356.00 0.17 0.007 0.002 2,017.30 β− 363.47 0.12 0.007 8 0.002 3 β− 375.59 0.15 0.004 6 0.001 9 β− 386.77 0.05 0.31 0.03 1,764.498 β− 388.88 0.05 0.37 0.04 2,118.552 β− 394.05 0.08 0.014 8 0.0014 2,482.46 β− 396.01 0.08 0.029 0.006 2,604.66 β−

405.74 0.03 0.17 0.01 1,015.05 β− 422.0 0.8 2,869.6 β− 428.0 0.5 0.002 3 < 2,192.56 β− 439.34 0.08 0.012 0.003 β− 452.92 0.10 0.031 0.004 2,447.70 β− 454.77 0.12 0.30 0.02 1,729.611 β− 461.0 0.2 0.053 0.009 2,204.13 β− 469.76 0.07 0.129 0.010 1,847.431 β− 474.41 0.05 0.110 0.009 2,204.13 β− 485.92 0.11 0.022 0.004 2,694.60 β− 486.7 0.3 0.006 < 2,147.78 β− 487.95 0.13 0.028 0.009 2,482.46 β− 494.2 0.4 0.012 0.003 2,698.8 β− 496.90 0.18 0.006 9 0.001 9 2,508.2 β− 501.96 0.15 0.018 0.003 2,266.39 β− 519.90 0.05 0.016 0.002 2,728.59 β− 524.6 0.2 0.017 0.002 2,728.59 β− 528 1 0.004 0.002 1,543.375 β− 536.77 0.04 0.068 0.009 2,266.39 β− 543.0 0.2 0.084 0.009 2,204.13 β− 547.6 0.3 0.004 < 2,208.67 β− 551.9 0.8 3,000.0 β− 572.76 0.07 0.074 0.010 1,847.431 β− 579.14 0.16 1,994.63 β− 581.9 0.8 2,785.9 β− 595.23 0.07 0.017 0.002 2,010.81 β− 598.5 0.8 2,802.6 β− 600.0 0.5 0.008 0.003 2,719.22 β− 609.312 0.007 46.1 0.5 609.316 β−β−β−β− 615.73 0.10 0.06 0.02 1,890.287 β− 617.0 0.2 0.034 0.012 1,994.63 β− 626.4 0.6 0.005 ≈ 2,893.6 β− 630.79 0.07 0.018 ≤ 2,719.22 β−

Table of Contents

Page -17-





��Iγ

��σ Iγ Level


Bi.


630.79 0.07 0.018 ≤ 2,360.8 β− 633.14 0.10 0.055 0.005 2,010.81 β− 634.72 0.21 0.006 5 0.002 3 2,482.46 β− 639.67 0.10 0.030 0.005 2,017.30 β− 649.18 0.07 0.060 0.007 2,192.56 β− 651.50 0.16 0.002 < 2,662.29 β− 658.7 0.2 0.015 0.006 2,423.19 β− 661.1 0.2 0.047 0.009 2,204.13 β− 665.453 0.022 1.46 0.03 1,274.761 β− 677.41 0.15 0.006 0.003 2,694.60 β− 683.22 0.06 0.081 0.009 2,447.70 β− 687.6 0.3 0.006 9 0.001 9 2,698.8 β− 693.3 0.5 0.006 0.003 2,423.19 β− 697.90 0.25 0.051 0.014 1,712.93 β− 699.82 0.18 0.016 0.005 2,694.60 β− 703.11 0.04 0.472 0.012 2,118.552 β− 704.9 0.3 0.047 0.010 2,447.70 β− 708.8 0.3 0.017 0.004 2,719.22 β− 710.3 0.3 2,423.19 β− 710.67 0.10 0.075 0.002 2,088.41 β− 719.86 0.03 0.379 0.011 1,994.63 β− 722.98 0.12 0.035 0.009 2,266.39 β− 733.80 0.15 0.043 0.006 2,728.59 β− 740.73 0.18 0.04 ≈ 2,118.552 β− 752.84 0.03 0.130 0.010 2,482.46 β− 768.356 0.010 4.94 0.06 1,377.675 β−β−β−β− 769.7 0.5 0.03 0.01 2,147.78 β− 786.1 0.4 0.31 0.09 2,447.70 β− 788.6 0.5 0.015 0.003 2,204.13 β− 806.174 0.018 1.22 0.02 1,415.484 β− 815.00 0.10 0.038 0.004 2,192.56 β− 821.18 0.03 0.158 0.015 2,482.46 β− 826.3 0.2 0.11 0.02 2,204.13 β−

832.39 0.11 0.028 0.003 1,847.431 β− 840.4 0.5 0.009 0.003 2,604.66 β− 847.16 0.11 0.026 0.003 2,694.60 β− 866.0 0.8 2,630.85 β− 873.07 0.19 0.018 0.005 2,147.78 β− 878.03 0.12 0.012 0.003 2,293.34 β− 891.8 0.3 2,604.66 β− 904.29 0.10 0.085 0.020 2,447.70 β− 915.74 0.15 0.026 0.006 2,293.34 β− 917.8 0.3 0.005 0.003 2,192.56 β− 930.2 0.2 0.033 0.013 2,694.60 β− 934.061 0.012 3.03 0.04 1,543.375 β−β−β−β− 934.1 0.2 0.05 0.01 2,208.67 β− 934.5 0.5 0.010 0.003 2,698.8 β− 938.65 0.16 0.013 0.004 2,785.9 β− 939.6 0.5 0.018 0.006 2,482.46 β− 943.34 0.12 0.017 0.006 2,604.66 β− 949.8 0.5 0.005 5 0.002 3 2,662.29 β− 952.2 0.8 0.006 0 0.002 3 2,694.60 β− 961.61 0.17 0.012 0.006 2,505.21 β− 964.08 0.03 0.362 0.017 2,728.59 β− 965.00 0.10 2,694.60 β− 965.00 0.10 0.010 0.005 2,508.2 β− 976.18 0.12 0.019 0.004 2,719.22 β− 989.34 0.17 0.010 0.003 β− 991.49 0.19 0.010 0.003 2,266.39 β− 1,011.8 0.8 3,022.3 β− 1,013.8 0.2 0.008 3 0.001 4 2,861.1 β− 1,021.0 0.5 0.014 0.003 2,785.9 β− 1,032.37 0.08 0.078 0.020 2,447.70 β− 1,033.3 0.2 0.024 0.006 2,694.60 β− 1,038.0 0.3 2,802.6 β− 1,038.0 0.3 0.008 3 0.001 4 2,698.8 β−

Table of Contents

Page -18-





��Iγ

��σ Iγ Level


Bi.


1,045.6 0.2 0.026 0.003 2,423.19 β− 1,051.96 0.03 0.315 0.011 1,661.28 β− 1,067.2 0.3 0.027 0.010 2,728.59 β− 1,069.96 0.08 0.275 0.015 2,447.70 β− 1,103.64 0.19 0.10 0.04 1,712.93 β− 1,104.79 0.19 0.077 0.004 2,482.46 β− 1,118.9 0.5 0.04 0.01 2,662.29 β− 1,120.287 0.010 15.1 0.2 1,729.611 β−β−β−β− 1,130.29 0.19 0.040 0.005 2,508.2 β− 1,133.66 0.03 0.248 0.013 1,742.98 β− 1,155.19 0.02 1.63 0.02 1,764.498 β− 1,155.6 0.5 0.016 0.004 2,698.8 β− 1,156 1 0.007 0.003 3,003 β− 1,167.3 0.2 0.012 0.002 2,544.9 β− 1,172.98 0.10 0.051 0.006 2,447.70 β− 1,206.4 0.8 3,053.9 β− 1,207.68 0.03 0.451 0.016 2,482.46 β− 1,226.7 0.3 2,769.9 β− 1,226.7 0.3

0.018 2,604.66 β−

1,230.6 0.4 0.015 0.008 2,505.21 β− 1,238.110 0.012 5.79 0.08 1,847.431 β−β−β−β− 1,253.14 0.12 2,630.85 β− 1,279.0 0.7 0.012 0.003 2,940.6 β− 1,280.96 0.02 1.43 0.02 1,890.287 β− 1,284 1 0.011 0.001 2,662.29 β− 1,285.1 0.5 0.017 0.004 3,014.1 β− 1,303.76 0.08 0.112 0.007 2,719.22 β− 1,316.96 0.15 0.080 0.010 2,694.60 β− 1,317.7 0.4 2,861.1 β− 1,330.0 0.2 0.011 0.002 2,604.66 β− 1,341.49 0.16 0.022 0.003 2,719.22 β− 1,351 1 2,728.59 β− 1,353.4 0.8 3,014.1 β−

1,361.2 0.8 3,022.3 β− 1,377.669 0.012 4.00 0.06 1,377.675 β−β−β−β− 1,385.31 0.03 0.757 0.018 1,994.63 β− 1,387.5 0.2 2,662.29 β− 1,392.5 0.4 0.019 0.009 2,769.9 β− 1,401.50 0.04 1.27 0.02 2,010.81 β− 1,407.98 0.04 2.15 0.05 2,017.30 β−β−β−β− 1,415.8 1,415.484 β− 1,419.7 0.3 0.005 1 0.001 3 2,694.60 β− 1,470.9 0.3 0.009 2 0.001 4 3,014.1 β− 1,479.15 0.14 0.051 0.005 2,088.41 β− 1,509.228 0.015 2.11 0.04 2,118.552 β− 1,515.5 0.3 0.006 9 0.001 0 2,893.6 β− 1,532.8 0.8 3,262.4 β− 1,538.50 0.06 0.376 0.014 2,147.78 β− 1,543.32 0.06 0.20 0.05 1,543.375 β− 1,583.22 0.04 0.690 0.015 2,192.56 β− 1,594.73 0.08 0.25 0.04 2,204.13 β− 1,595 1 0.005 0.003 2,869.6 β− 1,598.0 0.5 0.006 0.003 3,014.1 β− 1,599.31 0.06 0.23 0.06 2,208.67 β− 1,636.3 0.2 0.012 0.002 3,014.1 β− 1,637 1 0.006 0.003 3,053.9 β− 1,644.0 0.8 3,022.3 β− 1,657.00 0.19 0.046 0.005 2,266.39 β− 1,661.28 0.06 1.15 0.03 1,661.28 β− 1,665.8 0.2 0.008 3 0.001 4 2,940.6 β− 1,683.99 0.04 0.216 0.006 2,293.34 β− 1,693.4 0.8 2,967.6 β− 1,711.0 0.8 0.001 8 0.000 9 2,986.2 β− 1,717.0 0.8 3,094.0 β− 1,723.7 0.8 3,000.0 β− 1,729.595 0.015 2.92 0.04 1,729.611 β−β−β−β−

Table of Contents

Page -19-





��Iγ

��σ Iγ Level


Bi.


1,739.1 0.8 2,348.3 β− 1,747.2 0.8 3,022.3 β− 1,751.4 0.8 0.000 9 0.000 5 2,360.8 β− 1,764.494 0.014 15.4 0.2 1,764.498 β−β−β−β− 1,813.73 0.14 0.011 0.001 2,423.19 β− 1,819.2 0.4 0.001 4 < 3,094.0 β− 1,838.36 0.05 0.36 0.02 2,447.70 β− 1,847.420 0.025 2.11 0.03 1,847.431 β−β−β−β− 1,873.16 0.06 0.219 0.007 2,482.46 β− 1,890.30 0.15 0.08 0.03 1,890.287 β− 1,895.92 0.14 0.16 0.02 2,505.21 β− 1,898.7 0.4 0.057 0.006 2,508.2 β− 1,935.5 0.2 0.041 0.020 2,544.9 β− 1,943.7 0.8 2,553.0 β− 1,953.4 0.6 2,562.4 β− 1,994.6 0.6 0.005 0.003 2,604.66 β− 2,010.78 0.12 0.047 0.003 2,010.81 β− 2,016.7 2,017.30 β− 2,021.6 0.2 0.020 0.003 2,630.85 β− 2,052.94 0.12 0.069 0.005 2,662.29 β− 2,085.1 0.2 0.009 1 0.000 8 2,694.60 β− 2,089.7 0.2 0.050 0.006 2,699.2 β− 2,109.92 0.12 0.088 0.004 2,719.22 β− 2,118.55 0.03 1.14 0.03 2,118.552 β−β−β−β− 2,120.0 1.0 0.007 0.002 2,728.59 β− 2,147.9 0.2 0.014 0.002 2,147.78 β− 2,160.4 0.3 0.001 8 0.000 5 2,769.9 β− 2,176.5 0.2 0.003 2 0.000 5 2,785.9 β− 2,184.8 0.6 2,794.1 β− 2,192.58 0.16 0.034 0.003 2,192.56 β− 2,193.3 0.6 2,802.6 β− 2,204.21 0.04 5.08 0.04 2,204.13 β−β−β−β− 2,251.6 0.2 0.005 5 0.000 5 2,861.1 β−

2,260.3 0.2 0.008 7 0.000 5 2,869.6 β− 2,266.51 0.13 0.018 0.001 2,266.39 β− 2,270.9 0.4 0.001 3 0.000 4 2,880.3 β− 2,284.3 0.2 0.005 1 0.000 5 2,893.6 β− 2,287.65 0.23 0.004 6 0.000 5 2,897.0 β− 2,293.40 0.12 0.305 0.009 2,293.34 β−β−β−β− 2,310.2 0.3 0.001 4 0.001 0 2,919.5 β− 2,312.4 0.2 0.009 0.002 2,921.8 β− 2,319.3 0.3 0.000 4 0.000 2 2,928.6 β− 2,325.0 0.3 0.001 7 0.000 2 2,934.5 β− 2,331.3 0.2 0.022 1 0.001 4 2,940.6 β− 2,348.0 1.3 0.000 14 0.000 10 2,348.3 β− 2,353.5 0.7 0.000 4 0.000 2 2,962.8 β− 2,358.0 0.6 2,967.6 β− 2,361.00 0.19 0.001 7 0.000 2 2,360.8 β− 2,369.0 0.4 0.002 7 0.000 5 2,978.8 β− 2,376.9 0.2 0.008 8 0.001 2 2,986.2 β− 2,390.8 0.2 0.001 6 0.000 4 3,000.0 β− 2,396.5 0.6 3,005.8 β− 2,405.1 0.5 0.000 41 0.000 14 3,014.1 β− 2,413.1 0.4 3,022.3 β− 2,421.0 0.6 3,030.3 β− 2,423.27 0.13 0.004 6 0.000 5 2,423.19 β− 2,430.0 0.6 3,039.3 β− 2,444.7 0.8 0.008 0.004 3,053.9 β− 2,447.86 0.10 1.57 0.02 2,447.70 β−β−β−β− 2,459.0 0.8 3,068.3 β− 2,469.4 0.6 3,078.7 β− 2,482.8 0.4 3,094.0 β− 2,482.8 0.4 0.001 5 0.000 6 2,482.46 β− 2,505.4 0.2 0.005 7 0.000 5 2,505.21 β− 2,529.7 0.8 3,139.0 β− 2,540.3 0.8 3,149.2 β−

Table of Contents

Page -20-





��Iγ

��σ Iγ Level


Bi.


2,550.7 0.7 0.000 46 0.000 10 3,160.4 β− 2,553.0 0.6 0.000 1 ≈ 2,553.0 β− 2,555.1 0.8 3,164.8 β− 2,562.0 0.6 0.000 18 0.000 09 2,562.4 β− 2,564.0 0.6 0.000 14 0.000 10 3,173.3 β− 2,604.5 0.5 0.000 40 0.000 05 2,604.66 β− 2,630.9 0.3 0.000 8 0.000 2 2,630.85 β− 2,662.4 1.0 0.000 3 0.000 1 2,662.29 β− 2,694.7 0.2 0.031 0.002 2,694.60 β− 2,699.4 0.3 0.002 8 0.000 3 2,699.2 β− 2,719.3 0.2 0.001 8 0.000 2 2,719.22 β− 2,769.9 0.2 0.025 0.002 2,769.9 β− 2,785.9 0.2 0.005 5 0.000 9 2,785.9 β− 2,827.0 0.2 0.002 3 0.000 2 2,827.0 β− 2,861.1 0.4 0.000 38 0.000 10 2,861.1 β− 2,880.3 0.2 0.009 2 0.000 3 2,880.3 β−

2,893.5 0.2 0.006 0 0.000 5 2,893.6 β− 2,921.9 0.2 0.014 0.002 2,921.8 β− 2,928.6 0.3 0.001 1 0.000 2 2,928.6 β− 2,934.6 0.3 0.000 46 0.000 10 2,934.5 β− 2,978.9 0.2 0.013 8 0.000 5 2,978.8 β− 3,000.0 0.2 0.008 8 0.001 2 3,000.0 β− 3,053.9 0.2 0.021 0.002 3,053.9 β−β−β−β− 3,081.7 0.3 0.004 8 0.000 5 3,081.7 β− 3,094.0 0.4 0.000 44 0.000 08 3,094.0 β− 3,142.6 0.4 0.001 2 0.000 2 3,142.6 β− 3,149.0 0.5 0.000 088 ≈ 3,149.2 β− 3,160.6 0.6 0.000 32 0.000 10 3,160.4 β− 3,183.6 0.4 0.001 29 0.000 10 3,183.6 β− 3,233.2 2.4 0.000 10 ≈ β− 3,269.7 1.5 0.000 06 ≈ β−

Table of Contents

Page -21-

0.0

Tl21081

Pb21082

22.3 yr.Based on 5/8/2000 NNDC/BNL Data

100%-

decay�

1.30 min.(5+) 0.0

Q - =5490�

799.6

1096

1192

1275

1869

2208

2412

3069

3458

3622

3879

4102

0+

2+

30

4+ (0.6 ns)

6+

8+

3-

10

(2+)

10

24

(2+)

7

(4+)

2

�20

48

02

,01

0

2,4

30

1,2

10

2,3

60

1,5

90

2,2

70

86

01

,31

6

1,4

10

1,1

10

1,0

70

83

97

29

6

79

9.6

��!�"�"��#"$��%�#�&"�$#&#"$�

�� &�� !�� A#@&@*��/#�

� γ�&;�=*� σ γ��

�γ��σ�γ� ��

� $@� @�� #�� #�� A��?>� β− � '?� @�� A�A'�� β− � �'"� @� $�� A�� A��'"� β− � @>"� A�� β− � @$�� A�� @� �� β− � �$�� A� ��A�� β− � "?�� A� � β− � ?''#"� �#@� A�� ?''#"� β− � $"�� @�� ?� �� @��"'� β− � 'A�� @�� @� �� β− � A��?�� A�� A�� >� A�$"'� β− � A�AA�� ?� �� $� β− � A��A�� A?� �� @�"�� β− � A�@A"� A@� �A� >� ��A�� β− � A��A�� >� �� $� β− � A��'�� A� � β− � A�>�� @�� A� � β− � A�>'�� @�� A� @��>$� β− � A�">�� @�� A� � β− � ��A�� @�� ?� �� @�$?'� β− � ��'�� @�� >� �� β− � ��?�� A@� @� �� @��"'� β− � ��@"�� @�� $� @� @��>$� β− � ��@�� @�� '� @� @�"�� β−

�

γ��σγ��γ��σ�γ�� $��

�� CG��γ ��J��A��

&�#��

��

)*�J��/��J��G��#��AQ�

� ��/��/��#��@Q��J�/�/��/�

R��/��G��/��K��/��#''$'"&@*#�

0.0

0.0

Po21484

Pb21082

22.3 yr.

Based on NNDC/BNL5/8/2000 Data

1097.74+ 6x10-5

799.72+ 0.0104

0+ 99.9895

Q =7833.46�

0+

164.3 usec.

100% decay�

no gamma rays

��!�"�"��#"$��%�#�&"�$#&#"$�

��'�� !�� A"�#@&��*��#�

� γ�&;�=*� σ γ��

�γ��σ�γ� ��

� ��

�

γ��σγ��γ��σ�γ�� $��

210Tl (1.3 min.) Decay Scheme

214Po (164 usec.)Decay Scheme

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HPGe: 82 mm dia. X 83 mm 2 Be 351 295 609 241 · Table of Contents Page -2- ˘ˇˆ 226Ra (1600 yr.) 7-2-2000 HPGe: 82 mm dia. X 83 mm