ADOPTED LEVELS, GAMMAS for 242U

Authors: M.J. Martin, C.D. Nesaraja |  Citation: Nucl. Data Sheets 186, 261 (2022) |  Cutoff date: 31-Dec-2021 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=1200 keV SYS(n)= 5650 keV SYS(p)= 8410 keV SYQ(α)= 3670 keV SY
Reference: 2021WA16

References:
  A  244Pu(18O,20NeG) 

General Comments:

Assignment: 244Pu(n,2pn) chem (1979Ha26).

Q-value: ΔQ(β-)=280, ΔS(n)=280, ΔS(p)=360, ΔQ(α)=200 (syst,2021Wa16)

Q-value: S(2n)=10240 200 (syst,2021Wa16)










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
    0.0A 0+ 16.8 m 5 
% β- = 100
     
   47.8 3 A 2+      47.8 3 S
  100
[E2]
    0.0
0+
  158.2 7 A 4+     110.4 6 
  100
[E2]
   47.8
2+
  327.5 8 A 6+     169.3 3 
  100
[E2]
  158.2
4+
  552.2 8 A 8+     224.7 3 
  100
[E2]
  327.5
6+

Jπ(level): From assigned band structure. See (18O,20Neγ)

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Additional Gamma Data:













E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
   47.8 2+      47.8 3 [E2]451α=451 15, α(L)=329 11, α(M)=90.8 31, α(N)=24.6 8, α(O)=5.64 19, α(P)=0.913 31, α(Q)=0.00224 7
  158.2 4+     110.4 6 [E2]8.42α=8.42 25, α(L)=6.13 18, α(M)=1.70 5, α(N)=0.462 13, α(O)=0.1062 31, α(P)=0.0174 5, α(Q)=7.68×10-5 18
  327.5 6+     169.3 3 [E2]1.416α=1.416 22, α(K)=0.1958 28, α(L)=0.890 14, α(M)=0.246 4, α(N)=0.0667 11, α(O)=0.01539 25, α(P)=0.00256 4, α(Q)=1.987×10-5 30
  552.2 8+     224.7 3 [E2]0.490α=0.490 7, α(K)=0.1273 18, α(L)=0.265 4, α(M)=0.0727 11, α(N)=0.01972 30, α(O)=0.00456 7, α(P)=0.000767 12, α(Q)=9.24×10-6 13

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments

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Additional Gamma Comments:

E(level)E(gamma)Comments
   47.8   47.8E(γ): Transition not seen. E(γ) is derived in 244Pu(18O,20Neγ) from the moment of inertia deduced from the higher levels

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