ADOPTED LEVELS, GAMMAS for 238Pu

Authors: E. Browne, J. K. Tuli |  Citation: Nucl. Data Sheets 127, 191 (2015) |  Cutoff date: 1-Jun-2014 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-2258.3 keV 51S(n)= 6999.8 keV 13S(p)= 5997.5 keV 4Q(α)= 5593.20 keV 19
Reference: 2012WA38

References:
  A  238Am ε decay  B  238Np β- decay
  C  242Cm α decay  D  Coulomb Excitation
  E  239Pu(d,t)  F  240Pu(p,t)
  G  238U(α,4nγ)  H  239Pu(207Pb,208PBG)
  I  239Pu(117Sn,118SNG) 

General Comments:

Energies of vibrational states (K=0+, 2+, 0-, 1-, 2-, 3-), and B(E2), B(E3) values for the excitation of 2+, 3- levels have been calculated by 1965So04, 1970Ne08, 1971Ko31, 1975LeZR, 1975IvZZ. See also 1969Bl13, 1992Ra14, 1993Sa15, 1994Mi14 see 1964So02 for calculated energies of two-quasiparticle states in 238Pu and also for structure of some collective states.

Discovery of 238Pu: 2013Fr02

Alpha Decay: 2014Ba07, 2013De12, 2013Fe03, 2013Is13, 2013Se17, 2012Is08, 2011Ni11, 2011Qi06, 2011Zh36, 2010Le01, 2010Ni02, 2010Wa23, 2010Wa31, 2009De32, 2009Dr05, 2009Ni06, 2009Wa01, 2009Zh28, 2006Ch34, 2006De05, 2006Ha20, 2006Ha53, 2006Xu08, 2006Xu15, 2005Sh42, 2004Ca24, 2004ChZY, 2004Le07, 2003Ba64, 2003Jo04.

Nuclear reactions: 2013Bo29, 2010Wa07, 2002Be08, 2002Lo18

239Pu(n,2n): 2002Be08.

238U β-β- Decay: 2012Zu07,2010Ba07, 2006Ba35, 2005Tr01, 2004Ra13, 2003Cr04, 2002Hi09

Cluster Decay

238Pu(32Si): 2014Ba09, 2013Qi04, 2013Zd01, 2013Zd02, 2012Ku23, 2012Ba35, 2012Mi17, 2012Sa31, 2012So15, 2012Ta10, 2010Si12, 2010Zh51, 2009Ar11, 2009Qi07, 2009Ro16, 2008Bh05, 2005Bh02, 2005Ku04, 2005Ku32, 2004Ba64, 2004Re22, 2002Ba80.

238Pu(28Mg): 2013Na25, 2012Sa31, 2012So15, 2011Sh13, 2010Sa29, 2010Zh51, 2009Ar11, 2009Qi07, 2009Ro16, 2008Bh05, 2002Ba80, 2002Du16

238Pu(30Mg): 2013Qi04, 2013Zd01, 2013Zd02, 2012Ba35, 2012Ku29, 2012Ku16, 2012Qi01, 2012Sa31 2012Si01 2012So15 2011Si13, 2010Sa29, 2010Si12. 2009Ar05, 2009Ar11, 2009Ro16 2008Bh05 2005Ku32, 2004Ba64, 2004He16, 2002Du16, 2002Ba80.

238Pu(34Si): 2009Qi07.

Nuclear Structure: 2014Lu01, 2013Af01, 2013Bo24, 2013Li30, 2013Ni02, 2013To12, 2012Ib02, 2012Ko06, 2012Lu02, 2012Mi06, 2012Pr09, 2012Ro29, 2012Ro34, 2011Af04, 2011Bo12, 2011In03, 2011Li44, 2011Ri05, 2011Wa30, 2010Bu02, 2010Is01, 2010Ko36, 2010Ra10, 2010Vr01, 2009So02, 2008Bu11, 2007Ba18, 2007Bo46, 2007Sh17, 2006De23, 2006Ra21, 2006Sa35, 2005Al40, 2005Bu38, 2005Du18, 2005La04, 2005Za02, 2004Go33, 2004Sa55, 2003Bu11, 2003Bu27, 2003Mi18, 2003Ra17, 2003Za01, 2002Do15, 2002Ma85, 2002Ra25, 2002Re31

Isomer energy calculations - 1992Bh03. Other: 2011He12.

Fission Isomers and Super Deformed Bands: 2002Si26.

Quadrupole moments calculations - 1992Bh04.










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
      0.0ABCDEFGHI 0+ 87.7 y 1 
% α = 100
% SF = 1.9×10-7 1
     
     44.065 15 ABCDEFGHI 2+ 175 ps 3      44.06 2 
  100
E2
      0.0
0+
    145.936 21 ABCDEFGH  4+      101.88 3 
  100
E2
     44.065
2+
    303.36 6  BC  FGHI 6+      157.42 5 
  100
E2
    145.936
4+
    512.55 15   C   GHI 8+      209.20 14 
  100
E2
    303.36
6+
    605.18 3 ABC       1-      561.17 5 
   605.18 5 
  100
   73 2 
E1
E1
     44.065
      0.0
2+
0+
    661.44 4 ABCD      3-      515.53 7 
   617.41 5 
   55 1 
  100
E1+M2
E1+M2
    145.936
     44.065
4+
2+
    763.24 11  BC       5-      459.80 20 
   617.36
   ≈3.4
  100


    303.36
    145.936
6+
4+
    771.9 5       GHI 10+      259.4 5 
  100
E2
    512.55
8+
    911.6 8        H  7-      608.7 5 ?
  100

    303.36
6+
    941.47 8 ABC EF    0+      336.38 15 
   897.33 10 
   941.5 2 
    2.8 16 
  100 7 
 
[E1]
(E2)
E0
    605.18
     44.065
      0.0
1-
2+
0+
    962.783 23 ABC       1-      301.5 1 
   357.62 7 
   918.69 4 
   962.77 3 
    1.68 9 
    7.80 16 
   82.0 8 
  100.0 8 
E2
M1+E2
E1
E1
    661.44
    605.18
     44.065
      0.0
3-
1-
2+
0+
    968.2 4 ? B        (2-) < 8.5 ns    924?
   968.9 4 ?
  100
   12 6 
[E1]
[M2]
     44.065
      0.0
2+
0+
    983.09 7 ABCDEF    2+ 0.55 ps +15-11     321.75 20 
   378.05 13 
   837.11 15 
   938.95 10 
   983.0 3 
    1.8 7 
    4.4 7 
   35 2 
   43 3 
  100 30 
[E1]
[E1]
[E2]
E0+E2
[E2]
    661.44
    605.18
    145.936
     44.065
      0.0
3-
1-
4+
2+
0+
    985.45 5 AB        2-      323.98 9 
   380.29 13 
   941.38 5 
    2.8 1 
    2.2 2 
  100.0 10 
M1+E2
[M1]
[E1+M2]
    661.44
    605.18
     44.065
3-
1-
2+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   1018.6 3 ?  C            974.5 3 ?
 

     44.065
2+
   1028.537 16 ABC  F    2+      882.63 3 
   984.45 2 
  1028.54 2 
    3.19 2 
  100 1 
   72.6 3 
E2
M1+E2
E2
    145.936
     44.065
      0.0
4+
2+
0+
   1069.929 22  B        3+      923.98 2 
  1025.87 2 
   30.0 2 
  100
M1+E2
M1+E2
    145.936
     44.065
4+
2+
   1077.7 5       GHI 12+      305.9 5 
  100

    771.9
10+
   1082.55 6  B        (4)- 8.5 ns 5     114.4 4 
   319.29 11 
   421.14 11 
   936.61 6 
    1.51 27 
    2.3 3 
    6.0 2 
  100.0 14 
(E2)
M1+E2
[M1]
E1+M2
    968.2
    763.24
    661.44
    145.936
(2-)
5-
3-
4+
   1102.4 5        H  9-      190.8 6 
   330.5 6 ?
   589.9 5 
   60 19 
   35 11 
  100 24 


E1
    911.6
    771.9
    512.55
7-
10+
8+
   1125.75 17   C       (4+)      979.80 20 
  1081.7 3 
  100
   19 7 


    145.936
     44.065
4+
2+
   1134 4      F    (0+)        
   1174.4 4 A         (2+)     1130.2 5 
  1174.5 5 
  100
   83 22 


     44.065
      0.0
2+
0+
   1202.45 8  B        (3)-      119.9 1 
   132.49 11 
   174.0 2 
  100 4 
    2.4 2 
   22.0 5 
M1(+E2)
[E1]
[E1]
   1082.55
   1069.929
   1028.537
(4)-
3+
2+
   1228.65 18 A C E     0+     1184.55 21 
  1228.7 3 
  100
 
E2
E0
     44.065
      0.0
2+
0+
   1252 2      F           
   1264.20 15 A C E     2+     1118.25 21 
  1220.15 21 
  100
   81 15 
[E2]
E0+E2+M1
    145.936
     44.065
4+
2+
   1310.3 3 ?A         1+,2+     1266.2 3 
  100
M1
     44.065
2+
   1340.4 6        H  11-      238.0 6 
   262.6?
   568.5 6 
   74 25 
 
  100 29 
E2

E1
   1102.4
   1077.7
    771.9
9-
12+
10+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   1426.4 6       GHI 14+      348.8 5 
  100

   1077.7
12+
   1426.61 24 A         0+      821.5 4 
  1426.6 3 
  100
 
E1
E0
    605.18
      0.0
1-
0+
   1447.24 19 A         1-      841.9 4 
  1403.2 3 
  1447.3 3 
 
  100 9 
   62 4 
E0
E1
E1
    605.18
     44.065
      0.0
1-
2+
0+
   1458.29 22 A         2+     1414.0 3 
  1458.5 3 
  ≈23
  100
E0+E2+M1

     44.065
      0.0
2+
0+
   1559.82 14 A         1-      574.0 3 
   597.0 3 
   954.7 3 
  1515.9 3 
  1560.0 3 
   77 19 
  100 12 
  ≈58
   79 10 
   65 10 
M1+E2
[M1+E2]
[M1+E2]


    985.45
    962.783
    605.18
     44.065
      0.0
2-
1-
1-
2+
0+
   1596.3 3 A         (2+)      633.0 5 ?
  1450.4 5 ?
  1552.2 3 
  1596.5 5 
  ≈77
  ≈77
  100 16 
  ≈31




    962.783
    145.936
     44.065
      0.0
1-
4+
2+
0+
   1621.29 12 A         1-      658.4 2 
   679.5 4 
  1016.2 2 
  1577.3 3 
  1621.4 4 
    6.2 7 
    8.8 9 
    9.7 10 
  100 8 
   ≈0.6
E0+E2+M1
E1
E0+E2+M1
E1

    962.783
    941.47
    605.18
     44.065
      0.0
1-
0+
1-
2+
0+
   1621.8 6        H  13-      281.5 6 
   544.1 6 
  100 39 
   73 33 

E1
   1340.4
   1077.7
11-
12+
   1636.40 13 A         1-      653.3 5 
   673.4 2 
  1031.3 3 
  1592.5 3 
  1636.6 3 
   ≈4.4
 
 
   38 4 
  100 9 

E0
E0

E1
    983.09
    962.783
    605.18
     44.065
      0.0
2+
1-
1-
2+
0+
   1651.2 4 A         1,2+     1607.0 4 
  1651.4 5 
  100
   18 7 


     44.065
      0.0
2+
0+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   1726.34 22 A         1,2+     1682.2 3 
  1726.4 3 
  100
   59 9 
E1,E2

     44.065
      0.0
2+
0+
   1783.5 3 A         1,2+     1739.4 4 
  1783.6 4 
   48 15 
  100


     44.065
      0.0
2+
0+
   1815.5 5       GHI 16+      389.0 5 
  100
E2
   1426.4
14+
   1898.42 22 A         2-      935.2 3 ?
  1237.0 3 
  1293.2 3 
  ≈27
   81 7 
  100 9 

M1
M1
    962.783
    661.44
    605.18
1-
3-
1-
   1944.6 4        H  15-      323.1 5 
   518.3 5 
  100 44 
   57 29 


   1621.8
   1426.4
13-
14+
   2241.7 6       GHI 18+      426.2 5 
  100
E2
   1815.5
16+
   2308.2 5        H  17-      363.5 5 
   492.8 5 
  100 48 
   46 46 
E2

   1944.6
   1815.5
15-
16+
  ≈2400          0.6 ns 2 
% SF ≤ 100
     
   2702.3 8        HI 20+      460.6 5 
  100

   2241.7
18+
   2708.7 6        H  19-      400.5 5 
   467.1 5 
  100
  ≈38
E2

   2308.2
   2241.7
17-
18+
   3143.8 8        H  21-      435.1 5 
   441.6 5 ?
  100 49 
   38 20 
E2

   2708.7
   2702.3
19-
20+
   3195.4 8        HI 22+      493.10 17 
  100

   2702.3
20+
  ≈3500          (0+) 6.0 ns 15 
% SF ≤ 100
     
   3610.6 10        H  23-      415.7 5 ?
   466.8 5 
   40
  100


   3195.4
   3143.8
22+
21-
   3717.1 10        HI 24+      521.7 5 
  100

   3195.4
22+
   4105.2 11        H  25-      494.6 6 
  100
E2
   3610.6
23-
   4263.7 11        HI 26+      546.6 5 
  100

   3717.1
24+
   4623.2 13        H  27-      518.0 7 
  100

   4105.2
25-
   4833.3 13        H  28+      569.6 6 
  100

   4263.7
26+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   5161.3       H  (29-)      538.5 7 ?
  100

   4623.2
27-
   5426.5 9 ?       H  (30+)      592.2 6 ?
  100

   4833.3
28+

Jπ(level): From an energy fit to the g.s. band in addition to other arguments as given

E(γ): From β- decay, α decay, and ε decay, except where from in-beam studies as noted

I(γ): Branching ratios are from β- decay, α decay, and ε decay

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - Kπ=0+ GS band
      0.0 0+ 87.7 y 1 
% α = 100
% SF = 1.9×10-7 1
     
     44.065 15  2+ 175 ps 3      44.06 2 
  100
E2
      0.0
0+
    145.936 21  4+      101.88 3 
  100
E2
     44.065
2+
    303.36 6  6+      157.42 5 
  100
E2
    145.936
4+
    512.55 15  8+      209.20 14 
  100
E2
    303.36
6+
    771.9 5  10+      259.4 5 
  100
E2
    512.55
8+
   1077.7 5  12+      305.9 5 
  100

    771.9
10+
   1426.4 6  14+      348.8 5 
  100

   1077.7
12+
   1815.5 5  16+      389.0 5 
  100
E2
   1426.4
14+
   2241.7 6  18+      426.2 5 
  100
E2
   1815.5
16+
   2702.3 8  20+      460.6 5 
  100

   2241.7
18+
   3195.4 8  22+      493.10 17 
  100

   2702.3
20+
   3717.1 10  24+      521.7 5 
  100

   3195.4
22+
   4263.7 11  26+      546.6 5 
  100

   3717.1
24+
   4833.3 13  28+      569.6 6 
  100

   4263.7
26+
   5426.5 9 ? (30+)      592.2 6 ?
  100

   4833.3
28+
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - Kπ=0- OCTUPOLE-VIBRATIONAL band
    605.18 3  1-        
    661.44 4  3-      515.53 7 
   617.41 5 
   55 1 
  100
E1+M2
E1+M2
    145.936
     44.065
4+
2+
    763.24 11  5-      459.80 20 
   617.36
   ≈3.4
  100


    303.36
    145.936
6+
4+
    911.6 8  7-      608.7 5 ?
  100

    303.36
6+
   1102.4 5  9-      190.8 6 
   330.5 6 ?
   589.9 5 
   60 19 
   35 11 
  100 24 


E1
    911.6
    771.9
    512.55
7-
10+
8+
   1340.4 6  11-      238.0 6 
   262.6?
   568.5 6 
   74 25 
 
  100 29 
E2

E1
   1102.4
   1077.7
    771.9
9-
12+
10+
   1621.8 6  13-      281.5 6 
   544.1 6 
  100 39 
   73 33 

E1
   1340.4
   1077.7
11-
12+
   1944.6 4  15-      323.1 5 
   518.3 5 
  100 44 
   57 29 


   1621.8
   1426.4
13-
14+
   2308.2 5  17-      363.5 5 
   492.8 5 
  100 48 
   46 46 
E2

   1944.6
   1815.5
15-
16+
   2708.7 6  19-      400.5 5 
   467.1 5 
  100
  ≈38
E2

   2308.2
   2241.7
17-
18+
   3143.8 8  21-      435.1 5 
   441.6 5 ?
  100 49 
   38 20 
E2

   2708.7
   2702.3
19-
20+
   3610.6 10  23-      415.7 5 ?
   466.8 5 
   40
  100


   3195.4
   3143.8
22+
21-
   4105.2 11  25-      494.6 6 
  100
E2
   3610.6
23-
   4623.2 13  27-      518.0 7 
  100

   4105.2
25-
   5161.3 (29-)      538.5 7 ?
  100

   4623.2
27-
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - Kπ=0+ BETA-VIBRATIONAL band
    941.47 8  0+        
    983.09 7  2+ 0.55 ps +15-11     321.75 20 
   378.05 13 
   837.11 15 
   938.95 10 
   983.0 3 
    1.8 7 
    4.4 7 
   35 2 
   43 3 
  100 30 
[E1]
[E1]
[E2]
E0+E2
[E2]
    661.44
    605.18
    145.936
     44.065
      0.0
3-
1-
4+
2+
0+
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - Kπ=1- ν 7/2(743)-NU 5/2(622) band
    962.783 23  1-        
    985.45 5  2-      323.98 9 
   380.29 13 
   941.38 5 
    2.8 1 
    2.2 2 
  100.0 10 
M1+E2
[M1]
[E1+M2]
    661.44
    605.18
     44.065
3-
1-
2+
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 5 - Kπ=2+
   1028.537 16  2+        
   1069.929 22  3+      923.98 2 
  1025.87 2 
   30.0 2 
  100
M1+E2
M1+E2
    145.936
     44.065
4+
2+
   1125.75 17  (4+)      979.80 20 
  1081.7 3 
  100
   19 7 


    145.936
     44.065
4+
2+
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 6 - Kπ=0+
   1228.65 18  0+        
   1264.20 15  2+     1118.25 21 
  1220.15 21 
  100
   81 15 
[E2]
E0+E2+M1
    145.936
     44.065
4+
2+
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 7 - Kπ=0+
   1426.61 24  0+        
   1458.29 22  2+     1414.0 3 
  1458.5 3 
  ≈23
  100
E0+E2+M1

     44.065
      0.0
2+
0+
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 8 - Kπ=4- ν 7/2(743)+NU 1/2(631) STATE
   1082.55 6  (4)- 8.5 ns 5       
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 9 - Kπ=3- ν 7/2(743)-NU 1/2(631) STATE
   1202.45 8  (3)-        

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Additional Gamma Data:















E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
     44.065 2+ 175 ps 3      44.06 2 E2 775B(E2)(W.u.)=285 5, α=775, α(L)=566, α(M)=157
    145.936 4+      101.88 3 E2 14.8α=14.8, α(L)=10.7, α(M)=2.99, α(N+)=1.15
    303.36 6+      157.42 5 E2 2.24α=2.24, α(K)=0.197, α(L)=1.48, α(M)=0.412, α(N+)=0.157
    512.55 8+      209.20 14 E2 0.73α=0.73
    605.18 1-      561.17 5 E1 0.0116α=0.0116, α(K)=0.0093, α(L)=0.00170
1-      605.18 5 E1 0.0101α=0.0101
    661.44 3-      515.53 7 E1+M20.114 170.023α=0.023 3
3-      617.41 5 E1+M20.077 170.0122α=0.0122 13
    941.47 0+      897.33 10 (E2) 0.0154α=0.0154
    962.783 1-      301.5 1 E2 0.213α=0.213, α(K)=0.0780, α(L)=0.098, α(M)=0.0269, α(N+)=0.0103
1-      357.62 7 M1+E22.43 200.224α=0.224 15
1-      918.69 4 E1 0.00471α=0.00471
1-      962.77 3 E1 0.00434α=0.00434, α(K)=0.00353, α(L)=612×10-6
    968.2 (2-) < 8.5 ns    924[E1] B(E1)(W.u.)>2.0E-8
(2-) < 8.5 ns    968.9 4 [M2] 0.122B(M1)(W.u.)>0.016, α=0.122
    983.09 2+ 0.55 ps +15-11     321.75 20 [E1] 0.036B(E1)(W.u.)=4.7E-5 24, α=0.036
2+ 0.55 ps +15-11     378.05 13 [E1] 0.0255B(E1)(W.u.)=6.8E-5 22, α=0.0255
2+ 0.55 ps +15-11     837.11 15 [E2] 0.0176B(E2)(W.u.)=3.1 10, α=0.0176
2+ 0.55 ps +15-11     938.95 10 E0+E2 4.4α=4.4 4
2+ 0.55 ps +15-11     983.0 3 [E2] 0.0129B(E2)(W.u.)=3.9 12, α=0.0129
    985.45 2-      323.98 9 M1+E22.8 80.29α=0.29 6
2-      380.29 13 [M1] 0.665α=0.665
2-      941.38 5 [E1+M2]-0.17 +1 -20.0083α=0.0083 6
   1028.537 2+      882.63 3 E2 0.0159α=0.0159, α(K)=0.0115, α(L)=0.00328
2+      984.45 2 M1+E2+23 GT0.00129α=0.00129
2+     1028.54 2 E2 0.0119α=0.0119, α(K)=0.0089, α(L)=0.00226
E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
   1069.929 3+      923.98 2 M1+E2+44 +72-80.00145α=0.00145
3+     1025.87 2 M1+E2+31 GT0.00119α=0.00119
   1082.55 (4)- 8.5 ns 5     114.4 4 (E2) 8.67B(E2)(W.u.)=0.46 6, α=8.67
(4)- 8.5 ns 5     319.29 11 M1+E21.0 50.66α=0.66 23
(4)- 8.5 ns 5     421.14 11 [M1] 0.29α=0.29
(4)- 8.5 ns 5     936.61 6 E1+M2-0.24 40.009B(E1)(W.u.)=2.01E-8 12, α=0.009 5
   1202.45 (3)-      119.9 1 M1(+E2)0.38 LT3.81α=3.81 21, α(L)=2.69, α(M)=0.657, α(N+)=0.246
(3)-      132.49 11 [E1] 0.271α=0.271
(3)-      174.0 2 [E1] 0.143α=0.143
   1228.65 0+     1184.55 21 E2 0.0091α=0.0091, α(K)=0.00695, α(L)=0.00163
   1264.20 2+     1118.25 21 [E2] 0.0102α=0.0102
2+     1220.15 21 E0+E2+M1 0.26α=0.26 3
   1310.3 1+,2+     1266.2 3 M1 0.0268α=0.0268, α(K)=0.0213, α(L)=0.00413
   1426.61 0+      821.5 4 E1 0.00574α=0.00574, α(K)=0.00465, α(L)=818×10-6
   1447.24 1-     1403.2 3 E1 0.00229α=0.00229, α(K)=0.00187, α(L)=316×10-6
1-     1447.3 3 E1 0.00217α=0.00217, α(K)=0.00177, α(L)=300×10-6
   1559.82 1-      574.0 3 M1+E23.2 50.055α=0.055 6
1-      597.0 3 [M1+E2] 0.12α=0.12 8
1-      954.7 3 [M1+E2] 0.035α=0.035 22
   1621.29 1-      658.4 2 E0+E2+M1 1.39α=1.39 14
1-      679.5 4 E1 0.00809α=0.00809, α(K)=0.00654, α(L)=0.00117
1-     1016.2 2 E0+E2+M1 0.66α=0.66 7
1-     1577.3 3 E1 α(K)=0.00154
   1898.42 2-     1237.0 3 M1 0.0285α=0.0285, α(K)=0.0227, α(L)=0.00440
2-     1293.2 3 M1 0.0254α=0.0254, α(K)=0.0202, α(L)=0.00391
E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
      0.00+ 87.7 y 1 
% α = 100
% SF = 1.9×10-7 1
T1/2(SF)=4.77×1010 y 14 (1972Ha11), 4.63×1010 y 12 (1975GaZX), 5.1×1010 y 6 (1961Dr04).
E(level): T1/2(SF)=4.77×1010 y 14 (1972Ha11), 4.63×1010 y 12 (1975GaZX), 5.1×1010 y 6 (1961Dr04). Kπ=0+ GS band.
     44.0652+ 175 ps 3  E(level): Kπ=0+ GS band.
    145.9364+   E(level): Kπ=0+ GS band.
    303.366+   E(level): Kπ=0+ GS band.
    512.558+   E(level): Kπ=0+ GS band.
    605.181-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band.
    661.443-   B(E3)=0.71 12
E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band.
    763.245-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band.
    771.910+   E(level): Kπ=0+ GS band.
    911.67-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band.
    941.470+   E(level): Kπ=0+ BETA-VIBRATIONAL band.
    962.7831-   E(level): Kπ=1- ν 7/2(743)-NU 5/2(622) band.
    983.092+ 0.55 ps +15-11  E(level): Kπ=0+ BETA-VIBRATIONAL band.
    985.452-   E(level): Kπ=1- ν 7/2(743)-NU 5/2(622) band.
   1028.5372+   E(level): Kπ=2+. From 239Pu(207Pb,208Pbγ).
   1069.9293+   E(level): Kπ=2+. From 239Pu(207Pb,208Pbγ).
   1077.712+   E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ).
   1082.55(4)- 8.5 ns 5  E(level): Kπ=4- ν 7/2(743)+NU 1/2(631) STATE.
   1102.49-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   1125.75(4+)   E(level): Kπ=2+. From 239Pu(207Pb,208Pbγ).
   1202.45(3)-   E(level): Kπ=3- ν 7/2(743)-NU 1/2(631) STATE.
   1228.650+   E(level): Kπ=0+.
   1264.202+   E(level): Kπ=0+.
   1340.411-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   1426.414+   E(level): Kπ=0+ GS band.
E(level)Jπ(level)T1/2(level)Comments
   1426.610+   E(level): From 239Pu(207Pb,208Pbγ). Kπ=0+.
   1458.292+   E(level): Kπ=0+.
   1621.813-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   1815.516+   E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ).
   1944.615-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   2241.718+   E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ).
   2308.217-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   2400 0.6 ns 2 
% SF ≤ 100
E=2400 200 from thresholds (1973Li01). Calculated energies are: E=2250 (1972We09), E=2000 (1971Pa33), E=1800 (1972Ma11).
E(level): E=2400 200 from thresholds (1973Li01). Calculated energies are: E=2250 (1972We09), E=2000 (1971Pa33), E=1800 (1972Ma11).
   2702.320+   E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ).
   2708.719-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   3143.821-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   3195.422+   E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ).
   3500(0+) 6.0 ns 15 
% SF ≤ 100
E=3700 200 from 236U(α,2n) thresholds (1973Li01), E=3400 400 estimated from excitation functions (1973Br38).
E(level): E=3700 200 from 236U(α,2n) thresholds (1973Li01), E=3400 400 estimated from excitation functions (1973Br38).
   3610.623-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   3717.124+   E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ).
   4105.225-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   4263.726+   E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ).
   4623.227-   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   4833.328+   E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ).
   5161.3(29-)   E(level): Kπ=0- OCTUPOLE-VIBRATIONAL band. From 239Pu(207Pb,208Pbγ).
   5426.5(30+)   E(level): Kπ=0+ GS band. From 239Pu(207Pb,208Pbγ).

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Additional Gamma Comments:

E(level)E(gamma)Comments
    512.55    209.20E(γ): From 248Cm a decay
M(γ): from ce(L2)/ce(L3) in (α,4nγ)
    661.44    515.53I(γ): from ε decay. Values of ≈0.64 from β- decay and 0.67 from α decay depend on splitting the intensity of the doubly placed 713γ on the basis of model-dependent arguments
    617.41E(γ): Multiply placed with intensity suitably divided
I(γ): Multiply placed with intensity suitably divided
    763.24    459.80I(γ): from ε and α decay, see comment on 515γ from the 661 level
    617.36E(γ): Multiply placed with intensity suitably divided
I(γ): Multiply placed with intensity suitably divided
    771.9    259.4E(γ): From 239Pu(207Pb,208Pbγ)
    941.47    336.38I(γ): from 242Cm α decay, if I(897.33γ)=100.
    985.45    380.29M(γ): From 1981Le15
   1028.537   1028.54M(γ): from 1981Le15
   1077.7    305.9E(γ): From 239Pu(207Pb,208Pbγ)
   1102.4    190.8E(γ): From 239Pu(207Pb,208Pbγ)
    330.5E(γ): From 239Pu(207Pb,208Pbγ)
    589.9E(γ): From 239Pu(207Pb,208Pbγ)
   1340.4    262.6E(γ): From authors’ figure, not in their table.
   1426.4    348.8E(γ): From 239Pu(207Pb,208Pbγ)
   1815.5    389.0E(γ): From 239Pu(207Pb,208Pbγ). From 239Pu(207Pb,208Pbγ)
   2241.7    426.2E(γ): From 239Pu(207Pb,208Pbγ)
   3195.4    493.10E(γ): From 239Pu(207Pb,208Pbγ)
   3717.1    521.7E(γ): From 239Pu(207Pb,208Pbγ)
   4263.7    546.6E(γ): From 239Pu(207Pb,208Pbγ)
   4623.2    518.0E(γ): From 239Pu(207Pb,208Pbγ)
   4833.3    569.6E(γ): From 239Pu(207Pb,208Pbγ)
   5161.3    538.5E(γ): From 239Pu(207Pb,208Pbγ)
   5426.5    592.2E(γ): From 239Pu(207Pb,208Pbγ)

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