| |
|
| Half life: | 351 y 2 | |
| Jp: | 9/2- |
| Sn (keV): | 5585 6 |
| Sp (keV): | 5643 sy |
| Prod. mode: |
Thermal neutron activation
|
| | |
| ENSDF citation: | NDS 59,507 (1990) |
| Literature cut-off date: | 30-Apr-1989 |
| Author(s): | M.R. Schmorak |
| References since cut-off: |
249Cf decay from 1989-98 (NSR)
|
| |
Decay properties: |
| Mode | Branching (%) | Q-value (keV) |
|
| a | 100 | 6295.0 7 |
|
| SF | 4.4E-7 5 | |
|
| |
Most Recent ENSDF Data (12/2002) |
| Mode | Data set name | Display data |
|
| TORI Data (1999)
Gammas from 249Cf (351 y 2)
|
| Eg (keV) |
Ig (%) | Decay mode |
|
| 37.54 3 |
0.0148 7 |
a |
| 42.88 2 |
0.0363 20 |
a |
| 54.8 |
|
a |
| 54.8 |
0.035 8 |
a |
| 54.81 5 |
0.163 12 |
a |
| 58.3 |
|
a |
| 65.96 |
|
a |
| 65.96 2 |
0.005 3 |
a |
| 66.80 2 |
0.0231 13 |
a |
| 75.8 20 |
<0.0033 |
a |
| 79 |
|
a |
| 81 |
|
a |
| 86 1 |
<0.0033 |
a |
| 92.51 2 |
0.326 11 |
a |
| 100 |
|
a |
| 120.80 10 |
0.0205 20 |
a |
| 121.60 4 |
0.036 3 |
a |
| 198.0 1 |
0.0132 20 |
a |
| 229.50 10 |
0.040 |
a |
| 240.86 2 |
0.208 8 |
a |
| 252.80 2 |
2.50 8 |
a |
| 255.45 3 |
0.026 3 |
a |
| 266.62 2 |
0.69 3 |
a |
| 267.30 10 |
|
a |
| 295.72 2 |
0.136 6 |
a |
| 321.24 3 |
0.063 3 |
a |
| 333.37 2 |
14.6 4 |
a |
| 358.80 5 |
<0.007 |
a |
| 365.2 10 |
|
a |
| 388.16 2 |
66 |
a |
| 390.85 5 |
0.0172 20 |
a |
| 406.00 10 |
0.0108 8 |
a |
| 589.00 10 |
0.0024 4 |
a |
| 643.2 3 |
0.013 5 |
a |
| 670 |
~0.0007 |
a |
| 680 |
0.0046 |
a |
| 700 |
0.006 |
a |
| 718.5 3 |
0.0084 8 |
a |
| 740 |
0.007 |
a |
| 760 |
0.020 |
a |
| 770 |
~0.026 |
a |
| 990 |
~0.0006 |
a |
|
X-rays from 249Cf (351 y 2)
|
| E (keV) |
I (%) | Assignment |
|
| 12.633 |
0.58 10 |
Cm Ll |
| 14.746 |
0.89 13 |
Cm La2 |
| 14.961 |
8.0 11 |
Cm La1 |
| 17.286 |
0.160 23 |
Cm Lb6 |
| 17.314 |
0.18 3 |
Cm Lh |
| 18.081 |
2.1 3 |
Cm Lb2 |
| 18.589 |
0.53 14 |
Cm Lb4 |
| 18.853 |
0.50 7 |
Cm Lb5 |
| 19.427 |
6.7 10 |
Cm Lb1 |
| 19.688 |
0.43 11 |
Cm Lb3 |
| 22.735 |
1.7 3 |
Cm Lg1 |
| 23.028 |
0.24 6 |
Cm Lg2 |
| 23.319 |
0.20 5 |
Cm Lg3 |
| 23.527 |
0.35 6 |
Cm Lg6 |
| 103.715 |
0.0096 4 |
Cm Ka3 |
| 104.590 |
2.08 7 |
Cm Ka2 |
| 109.271 |
3.30 10 |
Cm Ka1 |
| 122.304 |
0.408 13 |
Cm Kb3 |
| 123.403 |
0.770 24 |
Cm Kb1 |
| 124.124 |
0.0311 14 |
Cm Kb5 |
| 126.888 |
0.304 10 |
Cm Kb2 |
| 127.352 |
0.118 6 |
Cm Kb4 |
Alphas from 249Cf (351 y 2)
|
| Ea (keV) |
Ia (%) |
|
| 5201 |
<5E-5 |
| 5238 |
<0.0002 |
| 5273 |
<0.00012 |
| 5307 |
<0.00013 |
| 5341 |
~0.0004 |
| 5355 |
|
| 5359 |
|
| 5370 |
~0.00013 |
| 5422 |
<0.00029 |
| 5431 |
~0.0026 |
| 5433 3 |
~0.00077 |
| 5471 3 |
0.0002 |
| 5483 3 |
0.00032 |
| 5501 3 |
0.044 2 |
| 5532 3 |
0.00021 |
| 5559 2 |
0.113 5 |
| 5566 |
|
| 5604 3 |
0.001 |
| 5616 3 |
0.0069 |
| 5645 3 |
~0.0015 |
| 5658 3 |
~0.0001 |
| 5694 2 |
0.30 1 |
| 5704 2 |
0.03 |
| 5759.5 10 |
4.69 5 |
| 5783.3 20 |
0.26 |
| 5813.3 10 |
82.2 5 |
| 5849.3 10 |
1.43 2 |
| 5903.2 10 |
3.21 3 |
| 5946.0 10 |
3.33 3 |
| 5999.6 20 |
0.026 |
| 6071.9 20 |
0.346 7 |
| 6139.3 7 |
1.33 1 |
| 6193.8 7 |
2.46 2 |
|
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