ADOPTED LEVELS, GAMMAS for 159Sm

Author: C. W. Reich |  Citation: Nucl. Data Sheets 113, 157 (2012) |  Cutoff date: 31-Dec-2010 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=3836 keV 7S(n)= 5029 keV 8S(p)= 10408 keV 15Q(α)= -2349 keV 11
S(2n)= 11673 keV 8S(2p)= 2.032×104 keV 15
Reference: 2017WA10

References:
  A  252Cf SF decay  B  159Pm β- decay







E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)Final Levels
     0AB 5/2- 11.37 s 15 
% β- = 100
    
    71.8 B (7/2-)      71.8
  100
     0
5/2-
   163.7A  (9/2-)     163.7
  100
     0
5/2-
   407.1A  (13/2-)     243.4
  100
   163.7
(9/2-)
   728.1A  (17/2-)     321.0
  100
   407.1
(13/2-)
  1124.0A  (21/2-)     395.9
  100
   728.1
(17/2-)
  1276.8A  (11/2-) 115 ns 10    869.7
  100
   407.1
(13/2-)
  1419.5A  (13/2-)     142.7
  100
  1276.8
(11/2-)
  1578.6A  (15/2-)     159.2
  302.7
 
 
  1419.5
  1276.8
(13/2-)
(11/2-)
  1592.1A  (25/2-)     468.1
  100
  1124.0
(21/2-)
  1754.5A  (17/2-)     175.8
  335.1
 
 
  1578.6
  1419.5
(15/2-)
(13/2-)
  1946.2A  (19/2-)     191.8
  367.5
 
 
  1754.5
  1578.6
(17/2-)
(15/2-)
  2128.8A  (29/2-)     536.7
  100
  1592.1
(25/2-)
  2154.1A  (21/2-)     207.9
  400.5
 
 
  1946.2
  1754.5
(19/2-)
(17/2-)
  2378.0A  (23/2-)     223.9
  432.0
 
 
  2154.1
  1946.2
(21/2-)
(19/2-)
  2616.5A  (25/2-)     238.5
  462.4
 
 
  2378.0
  2154.1
(23/2-)
(21/2-)
  2872A  (27/2-)     255
  494.0
 
 
  2616.5
  2378.0
(25/2-)
(23/2-)
  3142A  (29/2-)     270
  525
 
 
  2872
  2616.5
(27/2-)
(25/2-)

Jπ(level): Based on the observed γ-decay patterns and expected band structure.

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 1 - ν5/2[523] band, g.s. band
     0 5/2- 11.37 s 15 
% β- = 100
    
    71.8 (7/2-)      71.8
  100
     0
5/2-
   163.7 (9/2-)     163.7
  100
     0
5/2-
   407.1 (13/2-)     243.4
  100
   163.7
(9/2-)
   728.1 (17/2-)     321.0
  100
   407.1
(13/2-)
  1124.0 (21/2-)     395.9
  100
   728.1
(17/2-)
  1592.1 (25/2-)     468.1
  100
  1124.0
(21/2-)
  2128.8 (29/2-)     536.7
  100
  1592.1
(25/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 2 - ν11/2[505] band, α=+1/2 branch
  1419.5 (13/2-)       
  1754.5 (17/2-)     175.8
  335.1
 
 
  1578.6
  1419.5
(15/2-)
(13/2-)
  2154.1 (21/2-)     207.9
  400.5
 
 
  1946.2
  1754.5
(19/2-)
(17/2-)
  2616.5 (25/2-)     238.5
  462.4
 
 
  2378.0
  2154.1
(23/2-)
(21/2-)
  3142 (29/2-)     270
  525
 
 
  2872
  2616.5
(27/2-)
(25/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 3 - ν11/2[505] band, α=-1/2 branch
  1276.8 (11/2-) 115 ns 10      
  1578.6 (15/2-)     159.2
  302.7
 
 
  1419.5
  1276.8
(13/2-)
(11/2-)
  1946.2 (19/2-)     191.8
  367.5
 
 
  1754.5
  1578.6
(17/2-)
(15/2-)
  2378.0 (23/2-)     223.9
  432.0
 
 
  2154.1
  1946.2
(21/2-)
(19/2-)
  2872 (27/2-)     255
  494.0
 
 
  2616.5
  2378.0
(25/2-)
(23/2-)

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     05/2- 11.37 s 15 
% β- = 100
E(level): ν5/2[523] band, g.s. band.
    71.8(7/2-)   E(level): ν5/2[523] band, g.s. band.
   163.7(9/2-)   E(level): ν5/2[523] band, g.s. band.
   407.1(13/2-)   E(level): ν5/2[523] band, g.s. band.
   728.1(17/2-)   E(level): ν5/2[523] band, g.s. band.
  1124.0(21/2-)   E(level): ν5/2[523] band, g.s. band.
  1276.8(11/2-) 115 ns 10  E(level): ν11/2[505] band, α=-1/2 branch.
  1419.5(13/2-)   E(level): ν11/2[505] band, α=+1/2 branch.
  1578.6(15/2-)   E(level): ν11/2[505] band, α=-1/2 branch.
  1592.1(25/2-)   E(level): ν5/2[523] band, g.s. band.
  1754.5(17/2-)   E(level): ν11/2[505] band, α=+1/2 branch.
  1946.2(19/2-)   E(level): ν11/2[505] band, α=-1/2 branch.
  2128.8(29/2-)   E(level): ν5/2[523] band, g.s. band.
  2154.1(21/2-)   E(level): ν11/2[505] band, α=+1/2 branch.
  2378.0(23/2-)   E(level): ν11/2[505] band, α=-1/2 branch.
  2616.5(25/2-)   E(level): ν11/2[505] band, α=+1/2 branch.
  2872(27/2-)   E(level): ν11/2[505] band, α=-1/2 branch.
  3142(29/2-)   E(level): ν11/2[505] band, α=+1/2 branch.

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Additional Gamma Comments:

E(level)E(gamma)Comments
   163.7   163.7E(γ): 2008Hw03 report Eγ=163.4
   728.1   321.0E(γ): 2008Hw03 report Eγ=321.3
  1124.0   395.9E(γ): 2008Hw03 report Eγ=369.3
  1578.6   302.7E(γ): Level-energy difference=301.8
  2128.8   536.7E(γ): 2008Hw03 report Eγ=537.3

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