| |
|
|---|
| Half life: | 2.22 h 5 | |
|---|
| Jp: | 1(-) |
|---|
| Sn (keV): | 5.98E3 sy |
|---|
| Sp (keV): | 3.74E3 sy |
|---|
| Prod. mode: |
Charged particle reaction
|
|---|
| | |
|---|
| ENSDF citation: | NDS 57,558 (1989) |
|---|
| Literature cut-off date: | 1-Dec-1988 |
|---|
| Author(s): | M.R. Schmorak |
|---|
| References since cut-off: |
250Es decay from 1988-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
References |
|---|
| e | >99 | 2.10E3 sy |
77Fr03 |
| a | <1 | 6.88E3 sy |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 250mEs (2.22 h 5)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 42.723 5 |
|
e+b+ |
| 99.163 6 |
|
e+b+ |
| 586.45 7 |
0.39 10 |
e+b+ |
| 626.11 4 |
1.18 10 |
e+b+ |
| 659.7 2 |
0.47 9 |
e+b+ |
| 802.9 2 |
0.43 9 |
e+b+ |
| 828.82 3 |
5.5 9 |
e+b+ |
| 889.96 2 |
0.44 7 |
e+b+ |
| 929.4 3 |
0.10 7 |
e+b+ |
| 989.12 2 |
13.3 9 |
e+b+ |
| 1028.5 3 |
0.25 7 |
e+b+ |
| 1031.85 2 |
10.6 8 |
e+b+ |
| 1047.51 5 |
~0.10 |
e+b+ |
| 1068.2 5 |
<0.10 |
e+b+ |
| 1103.0 3 |
0.09 3 |
e+b+ |
| 1111.50 10 |
0.26 4 |
e+b+ |
| 1132.80 3 |
0.69 9 |
e+b+ |
| 1146.67 3 |
0.20 3 |
e+b+ |
| 1154.3 2 |
|
e+b+ |
| 1154.77 3 |
0.098 20 |
e+b+ |
| 1167.25 3 |
2.94 20 |
e+b+ |
| 1175.50 3 |
1.57 9 |
e+b+ |
| 1201.79 3 |
1.23 9 |
e+b+ |
| 1210 |
<0.10 |
e+b+ |
| 1223.92 4 |
0.32 3 |
e+b+ |
| 1244.42 7 |
0.34 3 |
e+b+ |
| 1253.84 7 |
~0.049 |
e+b+ |
| 1266.6 2 |
|
e+b+ |
| 1615.29 4 |
1.76 17 |
e+b+ |
| 1658.00 4 |
1.03 9 |
e+b+ |
|
X-rays from 250mEs (2.22 h 5)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 13.146 |
1.81 19 |
Cf Ll |
| 15.423 |
2.65 18 |
Cf La2 |
| 15.660 |
23.7 16 |
Cf La1 |
| 18.094 |
0.50 3 |
Cf Lb6 |
| 18.347 |
0.41 5 |
Cf Lh |
| 18.946 |
6.5 5 |
Cf Lb2 |
| 19.665 |
1.8 3 |
Cf Lb4 |
| 19.778 |
1.54 10 |
Cf Lb5 |
| 20.624 |
14.8 16 |
Cf Lb1 |
| 20.894 |
1.39 24 |
Cf Lb3 |
| 24.117 |
3.8 4 |
Cf Lg1 |
| 24.390 |
0.83 15 |
Cf Lg2 |
| 24.718 |
0.65 12 |
Cf Lg3 |
| 24.971 |
0.80 11 |
Cf Lg6 |
| 108.929 |
0.118 4 |
Cf Ka3 |
| 109.831 |
21.8 6 |
Cf Ka2 |
| 115.032 |
33.9 10 |
Cf Ka1 |
| 128.594 |
4.28 12 |
Cf Kb3 |
| 129.823 |
8.07 23 |
Cf Kb1 |
| 130.574 |
0.338 15 |
Cf Kb5 |
| 133.483 |
3.20 9 |
Cf Kb2 |
| 133.979 |
1.27 6 |
Cf Kb4 |
Betas from 250mEs (2.22 h 5)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 442.01 |
4.8 3 |
e |
| 803.36 |
0.277 20 |
e |
| 833.36 |
0.94 6 |
e |
| 855.5 |
1.67 10 |
e |
| 890.03 |
2.97 20 |
e |
| 910.6 |
0.30 3 |
e |
| 924.49 |
2.28 13 |
e |
| 945.76 |
0.38 4 |
e |
| 1035.28 |
0.028 8 |
b+ |
| 1068.14 |
23.5 13 |
e |
| 1078 |
0.183 9 |
b+ |
| 1228.43 |
5.5 9 |
e |
| 2057.28 |
8.4 24 |
e |
| 2100 |
47.8 22 |
e |
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