ADOPTED LEVELS for 236Np

Author: Shaofei Zhu |  Citation: Nucl. Data Sheets 182, 2 (2022). |  Cutoff date: 1-Apr-2022 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=4.8×102 keV 5S(n)= 5.74×103 keV 5S(p)= 4.83×103 keV 5Q(α)= 5.01×103 keV 5
Reference: 2021WA16

References:
  A  240Am α decay 

General Comments:

Fission T1/2, Cross section: 1998Er01, 1998Ro17, 1992Gr16, 1990Ro23, 1989Ko12, 1987Gr34

Q-value: S(2n)=12720 50, S(2p)=11540 50 (2021Wa16 )






E(level)
(keV)
XREFJπ(level) T1/2(level)
    0A 6(-) 1.55×10+5 y 1 
% β- = 12.0 1
% ε = 87.8 2
% α = 0.16 4
   57 51 A 1(-) 22.5 h 4 
% β- = 49 1
% ε = 51 1
  241 50 A (3-)  
  283 50 A (4-)  
  334 50 A (5-)  

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)
Band 1 - π 5/2[523]+NU 1/2[631]
  241 50  (3-)  
  283 50  (4-)  
  334 50  (5-)  

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
    06(-) 1.55×10+5 y 1 
% β- = 12.0 1
% ε = 87.8 2
% α = 0.16 4
Jπ(level): Favored α decay from ((π5/2[523])-(ν 1/2[631]))3- with Iα and Eα in agreement with the rotational band built on this configuration.
  241(3-)   E(level): π 5/2[523]+NU 1/2[631].
Jπ(level): Favored α decay from ((π5/2[523])-(ν 1/2[631]))3- with Iα and Eα in agreement with the rotational band built on this configuration.
  283(4-)   E(level): π 5/2[523]+NU 1/2[631].
Jπ(level): Favored α decay from ((π5/2[523])-(ν 1/2[631]))3- with Iα and Eα in agreement with the rotational band built on this configuration.
  334(5-)   E(level): π 5/2[523]+NU 1/2[631].
Jπ(level): Favored α decay from ((π5/2[523])-(ν 1/2[631]))3- with Iα and Eα in agreement with the rotational band built on this configuration.

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