| |
|
|---|
| Half life: | 1.22 m 2 | |
|---|
| Jp: | 8- |
|---|
| Sn (keV): | 9455 42 |
|---|
| Sp (keV): | 2695 33 |
|---|
| Prod. mode: |
Charged particle reaction
|
|---|
| | |
|---|
| ENSDF citation: | NDS 63,647 (1991) |
|---|
| Literature cut-off date: | 31-Jul-1989 |
|---|
| Author(s): | L.K. Peker |
|---|
| Update: | 20-Sep-1996, B. Singh |
|---|
| References since cut-off: |
142Eu decay from 1996-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| e+b+ | 100 | 7645 29 |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 142mEu (1.22 m 2)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 24.1 3 |
|
e+b+ |
| 200.9 5 |
1.1 2 |
e+b+ |
| 273.8 5 |
1.2 2 |
e+b+ |
| 474.4 5 |
0.75 10 |
e+b+ |
| 540.0 2 |
5.0 4 |
e+b+ |
| 556.6 2 |
86.6 30 |
e+b+ |
| 563.7 2 |
8.3 4 |
e+b+ |
| 580.7 4 |
0.44 10 |
e+b+ |
| 628.7 2 |
4.1 2 |
e+b+ |
| 741.2 2 |
1.7 2 |
e+b+ |
| 768.1 1 |
100 |
e+b+ |
| 832.6 2 |
0.42 9 |
e+b+ |
| 848.0 3 |
0.40 8 |
e+b+ |
| 886.7 2 |
0.69 7 |
e+b+ |
| 906.4 3 |
0.50 12 |
e+b+ |
| 954.3 2 |
0.58 8 |
e+b+ |
| 982.0 5 |
0.24 5 |
e+b+ |
| 1016.1 2 |
11.0 6 |
e+b+ |
| 1023.3 2 |
92.0 30 |
e+b+ |
| 1151.0 3 |
0.35 7 |
e+b+ |
| 1198.8 3 |
0.39 10 |
e+b+ |
| 1212.0 3 |
0.47 10 |
e+b+ |
| 1341.9 2 |
2.98 14 |
e+b+ |
| 1426.8 3 |
0.78 15 |
e+b+ |
| 1652.1 3 |
0.29 6 |
e+b+ |
| 1700.1 3 |
0.83 7 |
e+b+ |
| 1724.5 4 |
0.12 4 |
e+b+ |
| 1728.5 3 |
0.20 5 |
e+b+ |
| 1838.6 3 |
0.44 5 |
e+b+ |
| 1889.0 4 |
0.15 3 |
e+b+ |
| 1937.6 3 |
0.51 6 |
e+b+ |
| 2258.4 2 |
0.64 6 |
e+b+ |
|
X-rays from 142mEu (1.22 m 2)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 4.993 |
0.25 3 |
Sm Ll |
| 5.589 |
0.107 8 |
Sm Lh |
| 5.610 |
0.66 4 |
Sm La2 |
| 5.636 |
5.9 4 |
Sm La1 |
| 6.196 |
0.056 9 |
Sm Lb4 |
| 6.206 |
4.4 3 |
Sm Lb1 |
| 6.317 |
0.094 14 |
Sm Lb3 |
| 6.371 |
0.055 4 |
Sm Lb6 |
| 6.587 |
1.25 9 |
Sm Lb2 |
| 7.183 |
0.72 6 |
Sm Lg1 |
| 7.471 |
0.017 3 |
Sm Lg2 |
| 7.489 |
0.025 4 |
Sm Lg3 |
| 39.097 |
0.00100 4 |
Sm Ka3 |
| 39.522 |
3.94 12 |
Sm Ka2 |
| 40.118 |
7.13 22 |
Sm Ka1 |
| 45.294 |
0.697 21 |
Sm Kb3 |
| 45.414 |
1.35 4 |
Sm Kb1 |
| 45.741 |
0.0200 9 |
Sm Kb5 |
| 46.578 |
0.445 14 |
Sm Kb2 |
| 46.705 |
0.169 8 |
Sm Kb4 |
Betas from 142mEu (1.22 m 2)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 1987.7 |
0.31 |
b+ |
| 2308.9 |
0.5 |
b+ |
| 2407.6 |
0.26 |
b+ |
| 2545.9 |
0.8 |
b+ |
| 2819.4 |
1 |
b+ |
| 2904.3 |
2.1 |
b+ |
| 3009.7 |
0.33 |
e |
| 3047.2 |
0.5 |
b+ |
| 3231.4 |
1.5 |
b+ |
| 3291.9 |
0.6 |
b+ |
| 3330.9 |
0.39 |
e |
| 3398.2 |
0.31 |
b+ |
| 3429.6 |
0.18 |
e |
| 3505.1 |
1.3 |
b+ |
| 3567.9 |
0.46 |
e |
| 3706.2 |
2.1 |
b+ |
| 3841.4 |
0.46 |
e |
| 3926.3 |
0.9 |
e |
| 4069.2 |
0.2 |
e |
| 4246.2 |
70 |
b+ |
| 4253.4 |
0.48 |
e |
| 4313.9 |
0.2 |
e |
| 4420.2 |
0.09 |
e |
| 4527.1 |
0.34 |
e |
| 4728.2 |
0.49 |
e |
| 5268.2 |
11 |
e |
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