ADOPTED LEVELS, GAMMAS for 79Y

Author: Balraj Singh |  Citation: Nucl. Data Sheets 135, 193 (2016) |  Cutoff date: 31-May-2016 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-11300 keV SYS(n)= 13900 keV SYS(p)= 247×101 keV 45Q(α)= -356×101 keV 45
Reference: 2012WA38

References:
  A  28Si(54Fe,p2nγ), 

General Comments:

1987Lo10: 79Y production and identification in 24Mg(58Ni,p2n) reaction at E=177 MeV

1992Gr09: isotope produced by mass separation of fission products at ISOLDE facility (1992Gr09).

1992Mu12: isotope produced in 54Fe(28Si,p2n) reaction

Nuclear structure calculations: 2012Sh36, 1990Sa06, 1988Bu09: levels, J, π

Q-value: Estimated uncertainties (2012Wa38): 600 for Q(β-) and S(n)

Q-value: S(2n)=27720 450 (syst), S(2p)=8100 450, Q(εp)=1290 450 (2012Wa38)









E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)Final Levels
     0.0A (5/2+) 14.8 s 6 
% ε = 100
% εp = ?
    
   184.0 4 A (7/2+)      184.0 5 
   100
     0.0
(5/2+)
   411.3 4 A (9/2+)      227.0 5 
   411.3 5 
   100 8 
    19 6 
   184.0
     0.0
(7/2+)
(5/2+)
   726.9 5 A (11/2+)      316.1 5 
   543.1 5 
  ≈115
   100 25 
   411.3
   184.0
(9/2+)
(7/2+)
  1042.4 6 A (13/2+)      315.0 5 
   631.1 5 
   ≈68
   100 15 
   726.9
   411.3
(11/2+)
(9/2+)
  1509A (15/2+)      467
   781
 
 
  1042.4
   726.9
(13/2+)
(11/2+)
  1889A (17/2+)      380
   847
 
 
  1509
  1042.4
(15/2+)
(13/2+)
  2523A (19/2+)     1014
 
  1509
(15/2+)
  2947A (21/2+)     1058
 
  1889
(17/2+)
  3828?A (23/2+)     1305?
 
  2523
(19/2+)
  4214?A (25/2+)     1267?
 
  2947
(21/2+)
  5702?A (29/2+)     1488?
 
  4214
(25/2+)

Jπ(level): Possible 5/2[422] band member

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 1 - 5/2[422],α=+1/2 band (?)
     0.0 (5/2+) 14.8 s 6 
% ε = 100
% εp = ?
    
   411.3 4  (9/2+)      227.0 5 
   411.3 5 
   100 8 
    19 6 
   184.0
     0.0
(7/2+)
(5/2+)
  1042.4 6  (13/2+)      315.0 5 
   631.1 5 
   ≈68
   100 15 
   726.9
   411.3
(11/2+)
(9/2+)
  1889 (17/2+)      380
   847
 
 
  1509
  1042.4
(15/2+)
(13/2+)
  2947 (21/2+)     1058
 
  1889
(17/2+)
  4214 (25/2+)     1267?
 
  2947
(21/2+)
  5702 (29/2+)     1488?
 
  4214
(25/2+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 2 - 5/2[422],α=-1/2 band (?)
   184.0 4  (7/2+)       
   726.9 5  (11/2+)      316.1 5 
   543.1 5 
  ≈115
   100 25 
   411.3
   184.0
(9/2+)
(7/2+)
  1509 (15/2+)      467
   781
 
 
  1042.4
   726.9
(13/2+)
(11/2+)
  2523 (19/2+)     1014
 
  1509
(15/2+)
  3828 (23/2+)     1305?
 
  2523
(19/2+)

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.0(5/2+) 14.8 s 6 
% ε = 100
% εp = ?
E(level): Unresolved doublet. Composite energy is 315.5 5. 5/2[422],α=+1/2 band (?).
   184.0(7/2+)   E(level): 5/2[422],α=-1/2 band (?).
   411.3(9/2+)   E(level): Unresolved doublet. Composite energy is 315.5 5. 5/2[422],α=+1/2 band (?).
   726.9(11/2+)   E(level): 5/2[422],α=-1/2 band (?).
  1042.4(13/2+)   E(level): Unresolved doublet. Composite energy is 315.5 5. 5/2[422],α=+1/2 band (?).
  1509(15/2+)   E(level): 5/2[422],α=-1/2 band (?).
  1889(17/2+)   E(level): Unresolved doublet. Composite energy is 315.5 5. 5/2[422],α=+1/2 band (?).
  2523(19/2+)   E(level): 5/2[422],α=-1/2 band (?).
  2947(21/2+)   E(level): Unresolved doublet. Composite energy is 315.5 5. 5/2[422],α=+1/2 band (?).
  3828(23/2+)   E(level): 5/2[422],α=-1/2 band (?).
  4214(25/2+)   E(level): Unresolved doublet. Composite energy is 315.5 5. 5/2[422],α=+1/2 band (?).
  5702(29/2+)   E(level): Unresolved doublet. Composite energy is 315.5 5. 5/2[422],α=+1/2 band (?).

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