Page -1108
240
Ge Kα Escape Peaks
Pu (6564 yr.)
107
4-27-1998
HPGe: 50.5mm dia. X 20.5mm
none
20cm
A1042798102
U L x-rays
106
Am
105
241
104
104
U Kα2
U Kα1
241
Am
Pu
103
160
238
Counts/Channel
45
102
101
0
200
400
600
Channel Number
Table of Contents
800
1000
1200
Page -2240
U,214Am
Pu (6564 yr.)
237
107
7-8-1970
Ge(Li) 2.5cm2 x 8mm
unknown absorber
1.2 cm
94-240-1
U Kα&
NP Kα
104
106
U
U
U
239
Pu
Pu
Am
241
Am
241
687
Am
642
239
241
103
237
239
Np
Am
239
239
Np
Np
237
237
U
U
237
239
104
241
Counts/Channel
237
Pu
Pu
241
{
U Kβ&
NP Kβ
{
105
160
102
101
0
2000
200
2200
400
2400
600
2600
800
2800
1000
3000
Channel Number
Table of Contents
1200
3200
1400
3400
1600
3600
1800
3800
2000
4000
Page -3240
240
Ra (3.66 day)
a decay
5.7 x 10-6% SF
220
U (2.342 x 107 yr.)
a decay
232
224
Pu (6564 yr.)
a decay
236
Pu Decay Chain
Rn (55.6 sec.)
a decay
9.6 x 10-8% SF
216
Th (1.405 x 1010 yr.)
Po (0.145 sec.)
a decay
a decay
228
212
Ra (5.75 yr.)
Pb (10.64 hr.)
b- decay
b- decay
228
212
Ac (6.15 hr.)
b- decay
228
Th (1.9116 yr.)
35.94% a decay
208
b decay
208
Ra (3.66 day)
Table of Contents
64.06% b- decay
212
Tl (3.053 min.)
a decay
224
Bi (60.55 min.)
Po (0.299 m
a decay
Pb (stable)
sec.)
Page -4240
GAMMA-RAY ENERGIES AND INTENSITIES
Pu (6564 yr.) Decay Scheme
6564 yr.
Q=5255.82
1-
967.2
(2+)
960
(2+)
958.1
919.16
0+
8+
699
873.92
4+
919
958
960
0+
967
2+
Based on 8/30/1999 NNDC/BNL Data
687.57
642.35
538.09
6+
U
100% decay
6.3x10-7
2.0x10-5
522.24
4.7x10
-5
309.79
0.00108
149.48
0.0852 (0.142 ns)
45.24
0.0
236
92
Pu
687.61
45.244
1-
240
94
744.2
160.308
104.234
212.46
3-
0.0
240Pu
Nuclide:
Half Life: 6564(11)
Eγ (keV)
σ Eγ
Q
45.244
104.234
160.308
212.46
538.09
642.35
687.57
699.0
873.92
919
958
960
967
0.003
0.006
0.003
0.05
0.15
0.05
0.16
0.045 0
0.007 08
0.000 402
0.000 029
0.000 000 147
0.000 013
0.000 003 5
0.000 000 025
0.000 000 58
0.000 8
0.000 10
0.000 003
0.000 003
0.000 000 012
0.000 001
0.000 000 2
0.000 000 1
0.000 000 05
0.000 000 05
<
<
<
0.15
Iγ
R
σIγ
<
0.000 000 06
Eγ, σEγ, Iγ, σIγ, Levels from ENSDF Database as of August 31, 1999
Q These Iγ are per 100 Decays of 240Pu.
R For total uncertainty add 1% systematic component in quadrature,
27.1 (0.234 ns)
72.8
2.342x106 yr.
Table of Contents
based on the normalization factor 1.00(1)
yr.
Level
45.24
149.48
309.79
522.24
687.61
687.61
687.61
744.2
919.16
919.16
958.1
960
967.2
α
α
α
α
α
α
α
α
α
α
α
α
α