Evaluation made within an IAEA Coordinated Reserch Project  — For atomic radiation data, please refer to the pdf files linked below

 Parent  Energy [keV]  Half-life  Jπ  Decay  Q [keV]  Daughter
234
92
U 
142
0.0 2.455 x 105 y 6 0+ α 4857.7 7.0
230
90
Th 
140
  Evaluation: V. Chist Publication cut-off: 07-DEC-2005
ENSDF   Summary



General Comments

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Alpha  
 Eα
[keV]
 Iα(abs)
[%]
 Daughter level
[keV]
 Jπ  HF
4108.6 7 70000E-1 677.60 6 2+ 63
4150.6 7 26000E-9 634.90 7 0+ 39
4275.2 7 0.00004 1 508.16 4 1- 288
4603.5 7 0.210 2 174.10 4 4+ 21
4722.4 7 28.42 2 53.20 2 2+ 1.1
4774.6 7 71.37 2 0 0+ 1

Gamma  
 Eγ
[keV]
 Iγ-(abs)
[%]
 Initial level
[keV]
 Jπ  Final level
[keV]
 Jπ  Mult.  δ  αT  ITot
[%]
53.20 2 0.1253 40 53.20 2 2+ 0   E2+M3   228 7  
120.900 40 0.0386 32 174.10 4 4+ 53.20   E2   4.92 15  
454.96 5 0.000025 6 508.16 4 1- 53.20   E1   0.01526 46  
503.5 1 9.5E-7 677.60 6 2+ 174.10   [E2]   0.0418 13  
508.16 5 1.50E-5 39 508.16 4 1- 0   E1   0.01221 37  
581.7 1 0.000012 5 634.90 7 0+ 53.20   E2   0.0300 9  
624.4 1 8.2E-7 677.60 6 2+ 53.20   +E2+M1   5.1 20  
677.6 1 0.000001 677.60 6 2+ 0   [E2]   0.0216 6  


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