ADOPTED LEVELS, GAMMAS for 54Ni

Authors: Yang Dong, Huo Junde |  Citation: Nucl. Data Sheets 121, 1 (2014) |  Cutoff date: 20-Jun-2014 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-17480 keV SYS(n)= 1.766×104 keV 6S(p)= 3.85×103 keV 5Q(α)= -7.16×103 keV 8
Reference: 2012WA38

References:
  A  54Ni IT decay:152 NS  B  55Zn εp decay:19.8 MS
  C  24Mg(32S,2nγ)  D  Coulomb Excitation
  E  58Ni(α,8He) E=110 MeV  F  9Be(55Ni,xγ)








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0ABCDEF 0+ 114.2 ms 3 
% ε = 100
     
  1392.3 4 A CD F 2+ 0.89 ps 17    1392.3 4 
  100
[E2]
     0.0
0+
  2000    E         
  2619.7 6 A C  F 4+     1227.4 4 
  100
[E2]
  1392.3
2+
  3070.7 7 A C    6+      451.0 3 
  100
[E2]
  2619.7
4+
  6311.3 9 A      8+     3240.7 7 
  100

  3070.7
6+
  6457.4 9 A      10+ 152 ns 4 
% IT = 64 2
% p = 36 2
   146.1 2 
  3386.2 9 
  100.0 12 
    6.1 13 
[E2]
[E4]
  6311.3
  3070.7
8+
6+

E(level): From least-squares fits to Eγ’s, except as noted.

Jπ(level): From comparisons with relevant decays of mirror nucleus 54Fe and shell-model calculations.

M(γ): Based on Jπ’s assignments.

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - Yrast sequence
     0.0 0+ 114.2 ms 3 
% ε = 100
     
  1392.3 4  2+ 0.89 ps 17    1392.3 4 
  100
[E2]
     0.0
0+
  2619.7 6  4+        
  3070.7 7  6+      451.0 3 
  100
[E2]
  2619.7
4+
  6311.3 9  8+     3240.7 7 
  100

  3070.7
6+
  6457.4 9  10+ 152 ns 4 
% IT = 64 2 % p = 36 2 		   146.1 2 
  3386.2 9 
  100.0 12 
    6.1 13 
[E2]
[E4]
  6311.3
  3070.7
8+
6+

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Additional Gamma Data:













E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityConversion
Coefficient		Additional Data
  1392.3 2+ 0.89 ps 17    1392.3 4 [E2]B(E2)(W.u.)=10.0 20
  6457.4 10+ 152 ns 4 
% IT = 64 2
% p = 36 2
   146.1 2 [E2]0.135B(E2)(W.u.)=2.47 12, α=0.135
10+ 152 ns 4 
% IT = 64 2
% p = 36 2
  3386.2 9 [E4]B(E4)(W.u.)=5.7 13

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.00+ 114.2 ms 3 
% ε = 100
E(level): Yrast sequence.
  1392.32+ 0.89 ps 17  B(E2)=0.061 12
E(level): Yrast sequence.
  2619.74+   E(level): Yrast sequence.
  3070.76+   E(level): Yrast sequence.
  6311.38+   E(level): Yrast sequence.
  6457.410+ 152 ns 4 
% IT = 64 2
% p = 36 2
E(level): Yrast sequence.

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