| |
|
|---|
| Half life: | 33 h 1 | |
|---|
| Jp: | (3/2-) |
|---|
| Sn (keV): | 6.83E3 sy |
|---|
| Sp (keV): | 3951 6 |
|---|
| Prod. mode: |
Charged particle reaction
|
|---|
| | |
|---|
| ENSDF citation: | NDS 59,545 (1990) |
|---|
| Literature cut-off date: | 30-Apr-1989 |
|---|
| Author(s): | M.R. Schmorak |
|---|
| References since cut-off: |
251Es decay from 1989-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| e | 99.51 12 | 376 7 |
70Ah01 |
| a | 0.49 12 | 6597 3 |
|
| |
|---|
Data sets:
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
Gammas from 251Es (33 h 1)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 23.001 17 |
|
e |
| 24.824 15 |
|
e |
| 34.0 |
|
e |
| 47.830 15 |
|
e |
| 152.8 2 |
0.91 10 |
e |
| 163.8 2 |
~0.10 |
e |
| 177.7 2 |
2.4 |
e |
|
X-rays from 251Es (33 h 1)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 13.146 |
1.68 18 |
Cf Ll |
| 15.423 |
2.46 18 |
Cf La2 |
| 15.660 |
22.0 16 |
Cf La1 |
| 18.094 |
0.46 3 |
Cf Lb6 |
| 18.347 |
0.28 3 |
Cf Lh |
| 18.946 |
6.0 5 |
Cf Lb2 |
| 19.665 |
3.7 7 |
Cf Lb4 |
| 19.778 |
1.42 10 |
Cf Lb5 |
| 20.624 |
10.1 11 |
Cf Lb1 |
| 20.894 |
2.8 5 |
Cf Lb3 |
| 24.117 |
2.6 3 |
Cf Lg1 |
| 24.390 |
1.7 3 |
Cf Lg2 |
| 24.718 |
1.31 24 |
Cf Lg3 |
| 24.971 |
0.55 7 |
Cf Lg6 |
| 108.929 |
0.116 5 |
Cf Ka3 |
| 109.831 |
21.3 7 |
Cf Ka2 |
| 115.032 |
33.2 11 |
Cf Ka1 |
| 128.594 |
4.19 14 |
Cf Kb3 |
| 129.823 |
7.9 3 |
Cf Kb1 |
| 130.574 |
0.330 16 |
Cf Kb5 |
| 133.483 |
3.13 11 |
Cf Kb2 |
| 133.979 |
1.25 6 |
Cf Kb4 |
Betas from 251Es (33 h 1)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 164,28 |
2.0 |
e |
| 198,31 |
33 |
e |
| 351,17 |
65 |
e |
Alphas from 251Es (33 h 1)
|
|---|
| Ea (keV) |
Ia (%) |
|---|
|
| 6410 3 |
3.3 6 |
| 6422 3 |
3.0 6 |
| 6452 3 |
3.3 7 |
| 6462 3 |
9.4 10 |
| 6492 3 |
81.0 16 |
|
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