ADOPTED LEVELS, GAMMAS for 155Nd

Author: N. Nica |  Citation: Nucl. Data Sheets 160, 1 (2019) |  Cutoff date: 21-Oct-2019 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=4656 keV 10S(n)= 4.53×103 keV 5S(p)= 1.147×104 keV 11Q(α)= -3484 keV 20
S(2n)= 11096 keV 5S(2p)= 21952 keV 11
Reference: 2017WA10

References:
  A  252Cf SF decay 






E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		Final Levels
     0.0A (3/2-) 8.9 s 2 
% β- = 100
   
    59.8 3 A (5/2-)      59.8
     0.0
(3/2-)
   135.8 3 A (7/2-)      76.0
  135.8?
    59.8
     0.0
(5/2-)
(3/2-)
   230.7 3 A (9/2-)      94.9
  170.9?
   135.8
    59.8
(7/2-)
(5/2-)
   340.3 4 A (11/2-)     109.6
  204.5
   230.7
   135.8
(9/2-)
(7/2-)
   613.3 5 A (15/2-)     273.0
   340.3
(11/2-)
   954.3 6 A (19/2-)     341.0
   613.3
(15/2-)
  1361.8 7 A (23/2-)     407.5
   954.3
(19/2-)
  1831.6 7 A (27/2-)     469.8
  1361.8
(23/2-)

E(level): From least-squares fit to Eγ’s, assuming an uncertainty of 0.3 keV.

Jπ(level): Tentative assignment of 2008Hw02 based on the fact that the ν3/2[521] rotational band in 153Nd has nearly identical transitions as this one in 155Nd

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)Final Levels
Band 1 - ν3/2[521], α=+1/2
    59.8 3  (5/2-)      
   230.7 3  (9/2-)      94.9
  170.9?
   135.8
    59.8
(7/2-)
(5/2-)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)Final Levels
Band 2 - ν3/2[521], α=-1/2
     0.0 (3/2-) 8.9 s 2 
% β- = 100
   
   135.8 3  (7/2-)      76.0
  135.8?
    59.8
     0.0
(5/2-)
(3/2-)
   340.3 4  (11/2-)     109.6
  204.5
   230.7
   135.8
(9/2-)
(7/2-)
   613.3 5  (15/2-)     273.0
   340.3
(11/2-)
   954.3 6  (19/2-)     341.0
   613.3
(15/2-)
  1361.8 7  (23/2-)     407.5
   954.3
(19/2-)
  1831.6 7  (27/2-)     469.8
  1361.8
(23/2-)

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.0(3/2-) 8.9 s 2 
% β- = 100
E(level): ν3/2[521], α=-1/2.
    59.8(5/2-)   E(level): ν3/2[521], α=+1/2.
   135.8(7/2-)   E(level): ν3/2[521], α=-1/2.
   230.7(9/2-)   E(level): ν3/2[521], α=+1/2.
   340.3(11/2-)   E(level): ν3/2[521], α=-1/2.
   613.3(15/2-)   E(level): ν3/2[521], α=-1/2.
   954.3(19/2-)   E(level): ν3/2[521], α=-1/2.
  1361.8(23/2-)   E(level): ν3/2[521], α=-1/2.
  1831.6(27/2-)   E(level): ν3/2[521], α=-1/2.

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