| |
|
|---|
| Half life: | 624 ms 12 | |
|---|
| Jp: | 1- |
|---|
| Sn (keV): | 2825 25 |
|---|
| Sp (keV): | 15208 26 |
|---|
| Prod. mode: |
Fast neutron activation
|
|---|
| | |
|---|
| ENSDF citation: | NP A595, 1 (1995) |
|---|
| Literature cut-off date: | 31-Oct-1994 |
|---|
| Author(s): | D.R. Tilley, H.R. Weller and C.M. Cheves |
|---|
| References since cut-off: |
18N decay from 1994-98 (NSR)
|
|---|
| |
|---|
Decay properties:
|
|---|
| Mode | Branching (%) | Q-value (keV) |
|
|---|
| b- | 100 | 13899 20 |
|
| b-a | 12.2 6 | |
|
| b-n | 14.3 20 | |
|
| |
|---|
Most Recent ENSDF Data (12/2002)
|
|---|
| Mode | Data set name | Display data |
|---|
|
|---|
| TORI Data (1999)
Gammas from 18N (624 ms 12)
|
|---|
| Eg (keV) |
Ig (%) | Decay mode |
|---|
|
| 535 |
2.09 10 |
b- |
| 682.24 |
<0.26 |
b- |
| 821 |
44.5 13 |
b- |
| 901.37 |
<0.31 |
b- |
| 1074 |
0.59 9 |
b- |
| 1178 |
0.31 10 |
b- |
| 1350.25 |
<1.0 |
b- |
| 1543 |
0.074 15 |
b- |
| 1573 |
0.47 10 |
b- |
| 1610 |
0.62 25 |
b- |
| 1652 |
44.5 13 |
b- |
| 1895 |
0.27 4 |
b- |
| 1938 |
3.3 1 |
b- |
| 1982 |
72.0 15 |
b- |
| 2424 |
12.9 5 |
b- |
| 2431 |
1.04 10 |
b- |
| 2473 |
15.0 7 |
b- |
| 2673 |
1.20 12 |
b- |
| 3116 |
0.68 10 |
b- |
| 3315 |
0.46 18 |
b- |
| 3548 |
1.48 10 |
b- |
| 3634 |
0.13 3 |
b- |
| 3920 |
0.48 5 |
b- |
| 4369 |
0.62 15 |
b- |
| 4454.93 |
<0.6 |
b- |
| 5789 |
2.63 24 |
b- |
| 6198 |
1.03 10 |
b- |
|
X-rays from 18N (624 ms 12)
|
|---|
| E (keV) |
I (%) | Assignment |
|---|
|
| 0.525 |
1.2E-06 5 |
O Ka2 |
| 0.525 |
2.3E-06 10 |
O Ka1 |
Betas from 18N (624 ms 12)
|
|---|
| Eb endpoint (keV) |
Ib (%) | Decay mode |
|---|
|
| 1449 |
21 |
b- |
| 2409 |
0.19 4 |
b- |
| 2909 |
0.13 3 |
b- |
| 3249 |
0.43 9 |
b- |
| 3659 |
0.16 3 |
b- |
| 3989 |
0.17 3 |
b- |
| 4209 |
0.14 3 |
b- |
| 4419 |
0.47 9 |
b- |
| 4629 |
0.39 9 |
b- |
| 4799 |
0.16 3 |
b- |
| 4899 |
3.6 |
b- |
| 5861.2 |
1.8 2 |
b- |
| 6127.93 |
4.3 4 |
b- |
| 6283.1 |
6.8 5 |
b- |
| 7018.55 |
12.8 7 |
b- |
| 7547.7 |
1.9 2 |
b- |
| 7700.78 |
1.2 2 |
b- |
| 8368.76 |
2.7 3 |
b- |
| 9443.46 |
47.2 9 |
b- |
| 9978.56 |
0.4 |
b- |
| 10265.24 |
0.3 |
b- |
| 11916.93 |
3.4 13 |
b- |
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