| |
|
|---|
| Half life: | 87.7 y 3 | |
|---|
| Jp: | 0+ |
|---|
| Sn (keV): | 7000.5 14 |
|---|
| Sp (keV): | 5997.8 7 |
|---|
| Prod. mode: |
Thermal neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 53,601 (1988) |
|---|
| Literature cut-off date: | 1-Dec-1986 |
|---|
| Author(s): | E.N. Shurshikov |
|---|
| References since cut-off: |
238Pu decay from 1986-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| a | 100 | 5593.20 19 |
|
| SF | 1.85E-7 4 | |
|
| Mg | ~6E- 15 | |
|
| Si | ~1.4E- 14 | |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 238Pu (87.7 y 3)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 43.498 1 |
0.0395 8 |
a |
| 62.70 1 |
<1.00E-08 |
a |
| 99.853 3 |
0.00735 8 |
a |
| 140.15 2 |
<2.00E-09 |
a |
| 152.720 2 |
0.000937 10 |
a |
| 192.91 7 |
~6.50E-10 |
a |
| 200.97 3 |
0.0000039 2 |
a |
| 203.12 3 |
<8.00E-09 |
a |
| 233.6 2 |
|
a |
| 234.6 2 |
|
a |
| 235.9 3 |
1.00E-08 5 |
a |
| 258.23 7 |
8.50E-08 13 |
a |
| 299.1 2 |
4.80E-08 13 |
a |
| 705.9 1 |
5.30E-08 20 |
a |
| 708.3 2 |
0.00000041 7 |
a |
| 742.81 3 |
0.0000052 2 |
a |
| 766.38 2 |
0.000022 2 |
a |
| 783.4 1 |
2.40E-08 4 |
a |
| 786.27 3 |
0.00000325 25 |
a |
| 804.4 3 |
0.00000012 5 |
a |
| 805.80 5 |
6.00E-08 3 |
a |
| 808.20 10 |
0.00000080 2 |
a |
| 810.0 5 |
|
a |
| 851.70 10 |
0.00000125 15 |
a |
| 880.5 1 |
0.00000016 4 |
a |
| 883.24 4 |
0.00000077 6 |
a |
| 904.37 15 |
6.50E-08 10 |
a |
| 926.72 10 |
0.00000058 3 |
a |
| 941.94 10 |
0.00000047 5 |
a |
| 946.00 3 |
<8.70E-08 |
a |
| 1001.03 3 |
0.00000099 7 |
a |
| 1041.7 2 |
0.00000022 3 |
a |
| 1085.4 2 |
9.20E-08 10 |
a |
|
X-rays from 238Pu (87.7 y 3)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 11.620 |
0.26 3 |
U Ll |
| 13.442 |
0.42 3 |
U La2 |
| 13.618 |
3.79 25 |
U La1 |
| 15.400 |
0.103 11 |
U Lh |
| 15.727 |
0.072 5 |
U Lb6 |
| 16.410 |
1.00 7 |
U Lb2 |
| 16.577 |
0.024 4 |
U Lb4 |
| 17.068 |
0.211 14 |
U Lb5 |
| 17.222 |
3.9 4 |
U Lb1 |
| 17.454 |
0.022 4 |
U Lb3 |
| 20.169 |
0.94 10 |
U Lg1 |
| 20.487 |
0.0100 18 |
U Lg2 |
| 20.715 |
0.0094 17 |
U Lg3 |
| 20.844 |
0.20 3 |
U Lg6 |
| 93.844 |
2.62E-07 10 |
U Ka3 |
| 94.654 |
7.55E-05 23 |
U Ka2 |
| 98.434 |
1.22E-04 4 |
U Ka1 |
| 110.421 |
1.50E-05 5 |
U Kb3 |
| 111.298 |
2.85E-05 9 |
U Kb1 |
| 111.964 |
1.06E-06 5 |
U Kb5 |
| 114.445 |
1.10E-05 3 |
U Kb2 |
| 114.844 |
3.95E-06 18 |
U Kb4 |
Alphas from 238Pu (87.7 y 3)
|
|---|
| Ea (keV) |
Ia (%) |
|---|
|
| 4430.7 4 |
~1.1E-6 |
| 4470.8 3 |
1.2E-6 2 |
| 4491.1 3 |
|
| 4524.9 4 |
<1.3E-7 |
| 4565.8 3 |
2.5E-7 9 |
| 4590 |
1.2E-5 |
| 4661 |
4.2E-6 |
| 4662.6 4 |
0.9E-7 4 |
| 4704 |
5E-5 |
| 4724 |
2.2E-5 |
| 5015 |
6.8E-6 4 |
| 5205.6 |
0.0030 1 |
| 5357.7 |
0.105 5 |
| 5456.3 3 |
28.98 10 |
| 5499.03 20 |
70.91 10 |
|
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