ADOPTED LEVELS, GAMMAS for 246Pu

Authors: E. Browne, J. K. Tuli |  Citation: Nucl. Data Sheets 112, 1833 (2011) |  Cutoff date: 1-Jan-2011 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=401 keV SYS(n)= 5855 keV 21S(p)= 7.8×103 keV SYQ(α)= 4.35×103 keV SY
Reference: 2012WA38

References:
  A  244Pu(t,p)  B  244Pu(18O,16OG)

General Comments:

Calculations:

Equilibrium β2, β4: 1982Du16

Levels, B(E2): 1993Sa05, 1988Ri07, 2002Pr01

T1/2(α): 1997Po18

Fission: 2010Ab23, 2010Sa09, 2009So12, 2008GuZU, 2008Xu06, 2007Ba18, 2006Do05, 2005De44, 2004Mo06, 2001Mo13

Shape isomerism: 2010Ko36, 2006De23

Level density: 2010Vr01, 2005La04, 2002Gi11

Alpha-decay branchings: 2010Wa23

Pairing and binding energies: 2007Ne02, 2002Re31

Compilation, systematics:

β-decay: 1992So06; α-decay: 2006Me15

First level isomeric T1/2: 1992Ro02

Q-value: Note: Current evaluation has used the following Q record 401 14 5854 207800 SY4350 syst 2011AuZZ










E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0A  0+ 10.84 d 2 
% β- = 100
     
    46.7 2 AB 2+        
   154.5 2 AB 4+     107.8 1 
  100
(E2)
    46.7
2+
   321.1 2  B 6+     166.6 1 
  100
(E2)
   154.5
4+
   543.5 3  B 8+     222.4 1 
  100
(E2)
   321.1
6+
   769A         
   818.1 3  B 10+     274.6 1 
  100
(E2)
   543.5
8+
   901?A         
   938A         
   991A  0+        
  1040A         
  1140.8 4  B 12+     322.7 3 
  100
(E2)
   818.1
10+
  1212A         
  1246A         
  1424A         
  1464A         
  1548A         

Jπ(level): Jπ of g.s. rotational band from even-A Pu systematics

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Additional Gamma Data:













E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityConversion
Coefficient		Additional Data
   154.5 4+     107.8 1 (E2)11.14α=11.14
   321.1 6+     166.6 1 (E2)1.741α=1.741
   543.5 8+     222.4 1 (E2)0.578α=0.578
   818.1 10+     274.6 1 (E2)0.280α=0.280
  1140.8 12+     322.7 3 (E2)0.1693α=0.1693

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     00+ 10.84 d 2 
% β- = 100
T1/2(α)≈2×1014 d (from HF(α)=1.0 with Q(α)≈4350 and r0=1.49). Calculated (theory) T1/2(α)=2×1011 y (1997Po18).
E(level): T1/2(α)≈2×1014 d (from HF(α)=1.0 with Q(α)≈4350 and r0=1.49). Calculated (theory) T1/2(α)=2×1011 y (1997Po18).
Jπ(level): g.s. rotational band.
    46.72+   Jπ(level): g.s. rotational band.
   154.54+   Jπ(level): g.s. rotational band.
   321.16+   Jπ(level): g.s. rotational band.
   543.58+   Jπ(level): g.s. rotational band.
   818.110+   Jπ(level): g.s. rotational band.
  1140.812+   Jπ(level): g.s. rotational band.
  1548   Probable doublet.

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