| |
|
| Half life: | 20.47 d 3 | |
| Jp: | 7/2+ |
| Sn (keV): | 6352 50 |
| Sp (keV): | 4310 5 |
| Prod. mode: |
Thermal neutron activation
|
| | |
| ENSDF citation: | NDS 59,575 (1990) |
| Literature cut-off date: | 30-Apr-1989 |
| Author(s): | M.R. Schmorak |
| References since cut-off: |
253Es decay from 1989-98 (NSR)
|
| |
Decay properties: |
| Mode | Branching (%) | Q-value (keV) |
References |
| a | 100 | 6739.16 5 |
75Ah01 72Bb24 60As08 |
| SF | 8.9E-6 3 | |
|
| |
Most Recent ENSDF Data (12/2002) |
| Mode | Data set name | Display data |
|
| TORI Data (1999)
Gammas from 253Es (20.47 d 3)
|
| Eg (keV) |
Ig (%) | Decay mode |
|
| 8.78 7 |
|
a |
| 30.84 5 |
~0.007 |
a |
| 41.79 5 |
~0.050 |
a |
| 42.98 3 |
~0.009 |
a |
| 43.7 |
|
a |
| 51.95 3 |
~0.0048 |
a |
| 55.11 5 |
~0.0019 |
a |
| 62.09 5 |
~0.0010 |
a |
| 66.84 5 |
~0.0010 |
a |
| 73.42 5 |
~0.0004 |
a |
| 73.83 5 |
~0.00043 |
a |
| 78.4 5 |
~0.00028 |
a |
| 84(calc) |
|
a |
| 89.8(calc) |
|
a |
| 93.74 5 |
~0.0007 |
a |
| 98.09 5 |
~0.0010 |
a |
| 114.04 5 |
~0.0006 |
a |
| 121.97 5 |
~0.0007 |
a |
| 135.50 5 |
~0.00015 |
a |
| 145.43 5 |
0.00028 3 |
a |
| 162.6 |
~0.000014 |
a |
| 168.3 5 |
~0.00005 |
a |
| 283.4 |
0.000007 |
a |
| 291.1 5 |
0.000035 4 |
a |
| 306.5 5 |
0.000027 3 |
a |
| 312.8 |
0.000004 2 |
a |
| 319.1 5 |
0.000037 4 |
a |
| 335.1 5 |
0.000149 15 |
a |
| 337.3 5 |
0.000054 5 |
a |
| 346.3 5 |
0.000172 17 |
a |
| 347.2 5 |
0.00018 2 |
a |
| 349.6 5 |
0.000140 15 |
a |
| 368.6 |
0.00015 |
a |
| 368.76 6 |
|
a |
| 380.3 10 |
0.00038 12 |
a |
| 381.1 5 |
0.0056 5 |
a |
| 386.0 5 |
0.0013 5 |
a |
| 387.1 5 |
0.0181 18 |
a |
| 389.11 8 |
0.0264 3 |
a |
| 392.1 5 |
0.00013 10 |
a |
| 404.5 5 |
0.0000056 6 |
a |
| 421.30 13 |
0.00011 |
a |
| 425.1 |
0.00024 |
a |
| 428.94 10 |
0.0060 6 |
a |
| 433.1 5 |
0.0029 3 |
a |
| 441.7 5 |
0.000085 8 |
a |
| 448.2 5 |
0.00069 7 |
a |
| 468.8 |
0.00009 |
a |
| 474.9 5 |
0.00035 4 |
a |
| 477.2 |
0.00012 |
a |
| 500.1 5 |
0.000168 20 |
a |
| 503.8 5 |
0.000020 2 |
a |
| 514.4 |
0.000007 |
a |
| 518.48 6 |
0.00011 |
a |
| 524.0 |
0.00006 |
a |
| 541.9 5 |
0.000024 3 |
a |
| 549.36 7 |
0.000032 |
a |
| 560.45 3 |
0.00004 |
a |
| 567.0 |
0.000051 |
a |
| 585.2 |
0.000037 |
a |
| 616.3 |
0.0000042 |
a |
| 663.8 |
0.0000035 |
a |
| 768.2 |
0.000029 |
a |
| 900.2 |
0.000008 |
a |
| 932.3 |
0.000046 |
a |
| 946.3 |
0.000008 |
a |
| 1040.4 |
0.0000028 |
a |
| 1075.0 |
0.000005 |
a |
| 1106.4 |
0.0000014 |
a |
|
X-rays from 253Es (20.47 d 3)
|
| E (keV) |
I (%) | Assignment |
|
| 12.890 |
0.112 15 |
Bk Ll |
| 15.082 |
0.166 19 |
Bk La2 |
| 15.308 |
1.49 17 |
Bk La1 |
| 17.687 |
0.031 3 |
Bk Lb6 |
| 17.826 |
0.0165 23 |
Bk Lh |
| 18.508 |
0.40 5 |
Bk Lb2 |
| 19.118 |
0.51 9 |
Bk Lb4 |
| 19.311 |
0.095 11 |
Bk Lb5 |
| 20.018 |
0.59 9 |
Bk Lb1 |
| 20.280 |
0.40 7 |
Bk Lb3 |
| 23.416 |
0.150 22 |
Bk Lg1 |
| 23.698 |
0.23 4 |
Bk Lg2 |
| 24.007 |
0.19 3 |
Bk Lg3 |
| 24.241 |
0.032 5 |
Bk Lg6 |
| 106.300 |
5.8E-05 3 |
Bk Ka3 |
| 107.185 |
0.0114 5 |
Bk Ka2 |
| 112.121 |
0.0180 7 |
Bk Ka1 |
| 125.418 |
0.00225 9 |
Bk Kb3 |
| 126.580 |
0.00425 17 |
Bk Kb1 |
| 127.316 |
1.73E-04 9 |
Bk Kb5 |
| 130.152 |
0.00167 7 |
Bk Kb2 |
| 130.630 |
0.00066 4 |
Bk Kb4 |
Alphas from 253Es (20.47 d 3)
|
| Ea (keV) |
Ia (%) |
|
| 5730 10 |
8E-5 3 |
| 5910 10 |
2.7E-5 8 |
| 5935 4 |
~4E-5 |
| 5944 3 |
1.5E-4 5 |
| 5974 |
~6E-5 |
| 6019 3 |
1.8E-4 5 |
| 6037 3 |
2.9E-4 7 |
| 6046 3 |
4.0E-4 9 |
| 6071 |
<5E-5 |
| 6084 3 |
2.5E-4 5 |
| 6100 2 |
0.0034 2 |
| 6122 2 |
7.8E-4 8 |
| 6166 2 |
0.015 1 |
| 6211 2 |
0.039 2 |
| 6217 3 |
~1.5E-3 |
| 6230 3 |
1.2E-4 4 |
| 6250 2 |
0.045 2 |
| 6266 2 |
8.0E-4 8 |
| 6325 3 |
4E-4 1 |
| 6354 2 |
0.0082 4 |
| 6408 2 |
0.013 1 |
| 6432 2 |
0.061 3 |
| 6480 2 |
0.085 3 |
| 6498 2 |
0.26 1 |
| 6540 2 |
0.85 2 |
| 6552 2 |
0.71 2 |
| 6592 2 |
6.6 1 |
| 6594 |
~0.7 |
| 6624 |
~0.8 |
| 6632.57 5 |
89.8 2 |
|
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