ADOPTED LEVELS, GAMMAS for 156Hf

Author: C. W. Reich |  Citation: Nucl. Data Sheets 113, 2537 (2012) |  Cutoff date: 1-Mar-2012 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-11956 keV 334S(n)= 11718 keV 334S(p)= 2.56×103 keV 15Q(α)= 6029 keV 4
S(2n)= 21289 keV 334S(2p)= 2.46×103 keV 15Q(EC)= 5.88×103 keV 14Q(ECp)= 5.40×103 keV 15
Reference: 2017WA10

References:
  A  102Pd(58Ni,2P2NG)  B  156Ta ε decay (0.36 S)
  C  156Ta ε decay (106 MS)  D  160W α decay








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0ABCD 0+ 23 ms 1 
% α ≈ 100
     
   857.2A    2+      857.2
  100

     0
0+
  1454.2A    (2+)      597
  100

   857.2
2+
  1585.2A    4+      728.0
  100

   857.2
2+
  1959 6 AB   8+ 0.52 ms 1 
% α = 100
     
  2000.2A    6+      415.0
  100

  1585.2
4+
  2221.6A    (4+)      636.4
  100

  1585.2
4+
  2547.8A    (6+)      547.6
  100

  2000.2
6+
  2878.2A    10+      918.8
  100

  1959
8+
  3189.6A    11-      311.0
  1230.7
  100 8 
   39 8 

E3
  2878.2
  1959
10+
8+
  3336.7A    (10+)     1378.0
  100

  1959
8+
  3678.3A    12+      800.1
  100

  2878.2
10+
  3816.5A    (12+)      480.2
   626.5
  100 12 
   71 12 


  3336.7
  3189.6
(10+)
11-
  3996.9A    (14+)      180.4
  100

  3816.5
(12+)
  4264.5A    14+      586.2
  100

  3678.3
12+
  4384.0A    (14+)      567.5
  100

  3816.5
(12+)
  4482.5A    (16+)      218.0
  100

  4264.5
14+
  4590.6A         912.3
  100

  3678.3
12+
  4592.5A         208.5
  100

  4384.0
(14+)
  4812.6A    (16+)      548.1
  100

  4264.5
14+
  5019.3A         206.7
  100

  4812.6
(16+)

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - (ν f7/2)2 multiplet.
     0 0+ 23 ms 1 
% α ≈ 100
     
   857.2 2+      857.2
  100

     0
0+
  1585.2 4+      728.0
  100

   857.2
2+
  2000.2 6+      415.0
  100

  1585.2
4+
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - possible (ν h9/2)2 multiplet.
  1454.2 (2+)        
  2221.6 (4+)      636.4
  100

  1585.2
4+
  2547.8 (6+)      547.6
  100

  2000.2
6+
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - 8+ isomer, conf=((ν h9/2)(ν f7/2))8+.
  1959 6  8+ 0.52 ms 1 
% α = 100
     
  2878.2 10+      918.8
  100

  1959
8+
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - (ν f7/2)2~#(π h11/2)210+ multiplet.
  3678.3 12+        
  4264.5 14+      586.2
  100

  3678.3
12+
  4812.6 (16+)      548.1
  100

  4264.5
14+
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 5 - Two-phonon-octupole (Jπ=6+)-based excitations.
  3336.7 (10+)        
  3816.5 (12+)      480.2
   626.5
  100 12 
   71 12 


  3336.7
  3189.6
(10+)
11-
  3996.9 (14+)      180.4
  100

  3816.5
(12+)
  4384.0 (14+)      567.5
  100

  3816.5
(12+)

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     00+ 23 ms 1 
% α ≈ 100
XREF: C(?).
E(level): (ν f7/2)2 multiplet.
   857.22+   E(level): (ν f7/2)2 multiplet.
  1454.2(2+)   E(level): possible (ν h9/2)2 multiplet.
  1585.24+   E(level): (ν f7/2)2 multiplet.
  19598+ 0.52 ms 1 
% α = 100
1981HoZM report a level having T1/2=0.444~ms~17, for which an excitation energy of 1977~18 is deduced. The evaluator has assumed that this is the same as the 1959, 8+ level adopted here.
E(level): 1981HoZM report a level having T1/2=0.444~ms~17, for which an excitation energy of 1977~18 is deduced. The evaluator has assumed that this is the same as the 1959, 8+ level adopted here. 8+ isomer, conf=((ν h9/2)(ν f7/2))8+.
  2000.26+   E(level): (ν f7/2)2 multiplet.
  2221.6(4+)   E(level): possible (ν h9/2)2 multiplet.
  2547.8(6+)   E(level): possible (ν h9/2)2 multiplet.
  2878.210+   E(level): 8+ isomer, conf=((ν h9/2)(ν f7/2))8+.
  3336.7(10+)   E(level): Two-phonon-octupole (Jπ=6+)-based excitations.
  3678.312+   E(level): (ν f7/2)2~#(π h11/2)210+ multiplet.
  3816.5(12+)   E(level): Two-phonon-octupole (Jπ=6+)-based excitations.
  3996.9(14+)   E(level): Two-phonon-octupole (Jπ=6+)-based excitations.
  4264.514+   E(level): (ν f7/2)2~#(π h11/2)210+ multiplet.
  4384.0(14+)   E(level): Two-phonon-octupole (Jπ=6+)-based excitations.
  4482.5(16+)   Suggested (2005Se11) as the 16+ member of the (((ν h9/2)(ν f7/2))8+)#((π h11/2)210+) multiplet.
E(level): Suggested (2005Se11) as the 16+ member of the (((ν h9/2)(ν f7/2))8+)#((π h11/2)210+) multiplet.
  4812.6(16+)   E(level): (ν f7/2)2~#(π h11/2)210+ multiplet.

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Additional Gamma Comments:

E(level)E(gamma)Comments
  3189.6  1230.7M(γ): Assigned as E3 by 2005Se11.

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