| |
|
|---|
| Half life: | 55.6 m 11 | |
|---|
| Jp: | (3/2-) |
|---|
| Sn (keV): | 5796 11 |
|---|
| Sp (keV): | 5051 15 |
|---|
| Prod. mode: |
Thermal neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NDS 59,545 (1990) |
|---|
| Literature cut-off date: | 30-Apr-1989 |
|---|
| Author(s): | M.R. Schmorak |
|---|
| References since cut-off: |
251Bk decay from 1989-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| b- | 100 | 1093 10 |
78Lo13 84Li05 |
| a | ~1E-5 | 5.65E3 sy |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 251Bk (55.6 m 11)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 34.0 |
|
b- |
| 130.1 3 |
3.4 7 |
b- |
| 152.8 2 |
2.23 15 |
b- |
| 163.8 2 |
0.35 7 |
b- |
| 177.7 2 |
6 |
b- |
|
X-rays from 251Bk (55.6 m 11)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 13.146 |
1.14 17 |
Cf Ll |
| 15.423 |
1.67 20 |
Cf La2 |
| 15.660 |
14.9 18 |
Cf La1 |
| 18.094 |
0.31 4 |
Cf Lb6 |
| 18.347 |
0.21 3 |
Cf Lh |
| 18.946 |
4.1 5 |
Cf Lb2 |
| 19.665 |
1.7 6 |
Cf Lb4 |
| 19.778 |
0.97 11 |
Cf Lb5 |
| 20.624 |
7.4 10 |
Cf Lb1 |
| 20.894 |
1.3 4 |
Cf Lb3 |
| 24.117 |
1.89 25 |
Cf Lg1 |
| 24.390 |
0.8 3 |
Cf Lg2 |
| 24.718 |
0.59 20 |
Cf Lg3 |
| 24.971 |
0.40 6 |
Cf Lg6 |
| 108.929 |
0.095 4 |
Cf Ka3 |
| 109.831 |
17.5 7 |
Cf Ka2 |
| 115.032 |
27.2 11 |
Cf Ka1 |
| 128.594 |
3.43 13 |
Cf Kb3 |
| 129.823 |
6.47 25 |
Cf Kb1 |
| 130.574 |
0.271 14 |
Cf Kb5 |
| 133.483 |
2.57 10 |
Cf Kb2 |
| 133.979 |
1.02 5 |
Cf Kb4 |
Betas from 251Bk (55.6 m 11)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 881.28 |
4 |
b- |
| 915.31 |
91 |
b- |
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