| |
|
|---|
| Half life: | 102.2 m 6 | |
|---|
| Jp: | 7/2(+) |
|---|
| Sn (keV): | 7190 sy |
|---|
| Sp (keV): | 3352 sy |
|---|
| Prod. mode: |
Charged particle reaction
|
|---|
| | |
|---|
| ENSDF citation: | NDS 59,507 (1990) |
|---|
| Literature cut-off date: | 30-Apr-1989 |
|---|
| Author(s): | M.R. Schmorak |
|---|
| References since cut-off: |
249Es decay from 1989-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| e | 99.43 8 | 1451 sy |
76Ah07 |
| a | 0.57 8 | 6936 sy |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 249Es (102.2 m 6)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 43.00 5 |
0.033 7 |
e+b+ |
| 55.14 5 |
0.032 7 |
e+b+ |
| 58.01 5 |
0.044 7 |
e+b+ |
| 62.47 5 |
0.126 10 |
e+b+ |
| 63.45 5 |
0.058 7 |
e+b+ |
| 63.45 5 |
<0.07 |
e+b+ |
| 73.73(calc) |
|
e+b+ |
| 136.2(calc) |
<0.08 |
e+b+ |
| 136.37 8 |
0.065 15 |
e+b+ |
| 144.99 6 |
0.179 20 |
e+b+ |
| 191.6 1 |
0.40 3 |
e+b+ |
| 191.6 1 |
<0.40 |
e+b+ |
| 234.6 1 |
0.26 3 |
e+b+ |
| 255.0 2 |
0.11 3 |
e+b+ |
| 298.0 1 |
0.56 4 |
e+b+ |
| 370.1 2 |
0.14 4 |
e+b+ |
| 375.1 1 |
3.3 3 |
e+b+ |
| 379.5 1 |
40.4 25 |
e+b+ |
| 433.7 3 |
0.062 10 |
e+b+ |
| 437.6 1 |
0.75 5 |
e+b+ |
| 443.1 3 |
0.031 9 |
e+b+ |
| 507.3 3 |
0.040 10 |
e+b+ |
| 565.0 2 |
0.209 17 |
e+b+ |
| 570.3 3 |
<0.011 |
e+b+ |
| 570.3 3 |
0.054 14 |
e+b+ |
| 609.2 4 |
~0.030 |
e+b+ |
| 625.3 2 |
0.129 13 |
e+b+ |
| 628.5 2 |
0.209 17 |
e+b+ |
| 664.0 5 |
~0.010 |
e+b+ |
| 668.3 2 |
0.239 19 |
e+b+ |
| 707.0 5 |
~0.030 |
e+b+ |
| 766.3 3 |
<0.10 |
e+b+ |
| 789.7 1 |
1.14 9 |
e+b+ |
| 813.2 1 |
9.2 6 |
e+b+ |
| 820.5 5 |
~0.010 |
e+b+ |
| 820.5 5 |
<0.010 |
e+b+ |
| 840.0 2 |
0.097 9 |
e+b+ |
| 852.2 1 |
0.88 7 |
e+b+ |
| 862.8 3 |
0.018 6 |
e+b+ |
| 902.6 3 |
0.018 6 |
e+b+ |
| 945.4 1 |
0.239 20 |
e+b+ |
| 1000.5 5 |
0.020 8 |
e+b+ |
| 1007.9 1 |
0.73 6 |
e+b+ |
| 1021.4 5 |
~0.010 |
e+b+ |
| 1093.2 3 |
0.031 6 |
e+b+ |
| 1137.3 5 |
~0.010 |
e+b+ |
| 1199.8 5 |
0.016 6 |
e+b+ |
| 1205.1 5 |
0.030 6 |
e+b+ |
| 1218.5 1 |
1.5 1 |
e+b+ |
| 1238.0 2 |
0.023 3 |
e+b+ |
| 1267.8 5 |
0.0060 20 |
e+b+ |
| 1304.3 3 |
0.038 4 |
e+b+ |
|
X-rays from 249Es (102.2 m 6)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 13.146 |
1.9 3 |
Cf Ll |
| 15.423 |
2.8 3 |
Cf La2 |
| 15.660 |
25.1 25 |
Cf La1 |
| 18.094 |
0.52 5 |
Cf Lb6 |
| 18.347 |
0.37 6 |
Cf Lh |
| 18.946 |
6.8 7 |
Cf Lb2 |
| 19.665 |
3.2 6 |
Cf Lb4 |
| 19.778 |
1.62 16 |
Cf Lb5 |
| 20.624 |
13.2 21 |
Cf Lb1 |
| 20.894 |
2.4 4 |
Cf Lb3 |
| 24.117 |
3.4 5 |
Cf Lg1 |
| 24.390 |
1.4 3 |
Cf Lg2 |
| 24.718 |
1.13 21 |
Cf Lg3 |
| 24.971 |
0.71 13 |
Cf Lg6 |
| 108.929 |
0.135 6 |
Cf Ka3 |
| 109.831 |
24.8 10 |
Cf Ka2 |
| 115.032 |
38.6 15 |
Cf Ka1 |
| 128.594 |
4.87 19 |
Cf Kb3 |
| 129.823 |
9.2 4 |
Cf Kb1 |
| 130.574 |
0.384 20 |
Cf Kb5 |
| 133.483 |
3.65 14 |
Cf Kb2 |
| 133.979 |
1.45 8 |
Cf Kb4 |
Betas from 249Es (102.2 m 6)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 145.7 |
0.038 6 |
e |
| 182.3 |
0.036 8 |
e |
| 212 |
0.054 9 |
e |
| 231.5 |
1.60 20 |
e |
| 250.2 |
0.026 7 |
e |
| 442.03 |
1.70 20 |
e |
| 547.5 |
0.21 3 |
e |
| 597.81 |
2.1 3 |
e |
| 636.8 |
9.9 13 |
e |
| 1007.02 |
1.6 3 |
e |
| 1012.44 |
8.5 13 |
e |
| 1070.48 |
41 6 |
e |
| 1206.93 |
0.4 4 |
e |
| 1305.04 |
6.7 18 |
e |
| 1387.51 |
1.4 8 |
e |
| 1450 |
26 8 |
e |
Alphas from 249Es (102.2 m 6)
|
|---|
| Ea (keV) |
Ia (%) |
|---|
|
| 6716 12 |
7 5 |
| 6776 2 |
93 14 |
|
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