ADOPTED LEVELS, GAMMAS for 62Ga

Authors: Alan L. Nichols, Balraj Singh, Jagdish K. Tuli |  Citation: Nucl. Data Sheets 113, 973 (2012) |  Cutoff date: 15-Apr-2012 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-1.009×104 keV SYS(n)= 1.292×104 keV 4S(p)= 2927 keV 16Q(α)= -2744.2 keV 8
Reference: 2012WA38

References:
  A  40Ca(24Mg,pnγ)  B  40Ca(24Mg,pnγ),(28Si,APNG)

General Comments:

1978Ch11: production and identification of 62Ga in 64Zn(p,3n) reaction, measured half-life. Earlier reports: 1973ChYF and 1972ChYY

1978Al23: production and identification of 62Ga in 58Ni(6Li,2n) at 25 MeV, measured half-life

1979Da04: production and identification of 62Ga in 58Ni(6Li,2n) at 25 MeV, measured half-life

1993Wi03, 1993Wi18: 62Ga produced in fragmentation of 78Kr beam at 75 MeV/nucleon using A1200 spectrometer at NSCL, MSU. Measured isotopic half-life.

Earlier secondary reports of production, identification and T1/2 measurements: 1976BaXP, 1976JaZP

No level or gamma information is available from 62Ge decay to 62Ga

Mass measurements: 2006Er03 (Penning trap), 2005Gu36

64Zn(6Li,8He) E=92.5, 98.9 MeV, no events for 62Ga g.s. observed

Structure calculations:

2007Mi19: calculated level energies from shell model

2004Gl01: calculated energy differences between t=0 and t=1 states, and pair-transfer amplitudes

2002Ba58, 2002Va21, 2001Ju06: calculated binding energies, Jπ, level energies. Interacting boson model.

2002Sa38: calculated levels, Jπ. Deformed shell model with isospin projection.

2001Ju02: calculated features of rotational bands, such as band termination, quadrupole moments and pairing energy. Spherical shell model, cranked Nilsson-Strutinsky model.

2001Sa39: calculated lowest t=0,1 level spectrum. Extended mean-field model

Q-value: Note: Current evaluation has used the following Q record

Q-value: ΔQ(β-)=140 (syst,2011AuZZ)

Q-value: Q(εp)=2708.3 11, S(2n)=28345 196 (syst), S(2p)=8219.8 17 (2011AuZZ)

Q-value: Values in 2003Au03: Q(β-)=-9760 140 (syst), S(n)=12980 60, S(p)=2940 30, Q(α)=-2763 28, Q(εp)=2694 28, S(2n)=28150 120 (syst), S(2p)=8234 28










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0.0AB 0+ 116.121 ms 21 
% ε = 100
% εp = ?
     
   571.2 1 AB 1(+)      571.2 1 
  100
D
     0.0
0+
   817.2 1 AB 3(+) 3.4 ns 11     246.0 1 
  100
E2
   571.2
1(+)
  1016.7 3 A  (2)      445.5 3 
  100
D
   571.2
1(+)
  1193.5 2 AB (5+)      376.3 1 
  100
Q
   817.2
3(+)
  1439.4 2 AB (4+,5+)      622.3 1 
  100
Q,D+Q
   817.2
3(+)
  2234.0 5 A       794.4 5 
  1417 1 
   65 23 
  100 27 


  1439.4
   817.2
(4+,5+)
3(+)
  2373.6 3 AB (6+)      934.2 4 
  1180.1 3 
   30 3 
  100 4 

D+Q
  1439.4
  1193.5
(4+,5+)
(5+)
  2434.3 2 AB (7+)     1240.7 2 
  100
Q
  1193.5
(5+)
  2674.5 3 A  (6)     1236 1 ?
  1481 1 
   56 56 
  100 17 

D
  1439.4
  1193.5
(4+,5+)
(5+)
  3014.8 3 A  (6+,7+)      340.4 2 
   641.2 2 
  100 22 
   84 9 

D,D+Q
  2674.5
  2373.6
(6)
(6+)
  3491.8 3 A  (7)     1057.6 2 
  1118.2 2 
  100 4 
   47 4 
D
D
  2434.3
  2373.6
(7+)
(6+)
  3922.0 3 AB (8+)      907.3 3 
  1487.7 3 
   45 5 
  100 5 
Q,D+Q
D+Q
  3014.8
  2434.3
(6+,7+)
(7+)
  4657.8 4 A  (8)     1166.0 3 
  100
D+Q
  3491.8
(7)
  4789.1 3 AB (9+)      867.1 2 
  2354.8 5 
   26.5 22 
  100 7 
D+Q
Q
  3922.0
  2434.3
(8+)
(7+)
  4945.2 4 A  (9+,10+)     1023.1 2 
  100
Q,D+Q
  3922.0
(8+)
  5735.0 4 AB (11+)      789.5 6 ?
   945.9 2 
    7 4 
  100 4 

Q
  4945.2
  4789.1
(9+,10+)
(9+)
  6842.3 5 AB     1107.3 3 
  100

  5735.0
(11+)

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - ΔJ=2, T=0, yrast band.
   571.2 1  1(+)        
   817.2 1  3(+) 3.4 ns 11     246.0 1 
  100
E2
   571.2
1(+)
  1193.5 2  (5+)      376.3 1 
  100
Q
   817.2
3(+)
  2434.3 2  (7+)     1240.7 2 
  100
Q
  1193.5
(5+)
  4789.1 3  (9+)      867.1 2 
  2354.8 5 
   26.5 22 
  100 7 
D+Q
Q
  3922.0
  2434.3
(8+)
(7+)
  5735.0 4  (11+)      789.5 6 ?
   945.9 2 
    7 4 
  100 4 

Q
  4945.2
  4789.1
(9+,10+)
(9+)
  6842.3 5      1107.3 3 
  100

  5735.0
(11+)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - yrast SEQUENCE, α=0
  3922.0 3  (8+)        
  4945.2 4  (9+,10+)     1023.1 2 
  100
Q,D+Q
  3922.0
(8+)

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Additional Gamma Data:













E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
   817.2 3(+) 3.4 ns 11     246.0 1 E20.0243B(E2)(W.u.)=12 +6-3, α=0.0243

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
   571.21(+)   E(level): ΔJ=2, T=0, yrast band.
Jπ(level): Positive parity from comparison with shell-model calculated spectrum for the odd-spin t=0 yrast band.
   817.23(+) 3.4 ns 11  E(level): ΔJ=2, T=0, yrast band.
Jπ(level): Positive parity from comparison with shell-model calculated spectrum for the odd-spin t=0 yrast band.
  1016.7(2)   Possible t=1, (2+) analog of 954, 2+ state in 62Zn (2004Ru03).
  1193.5(5+)   E(level): ΔJ=2, T=0, yrast band.
Jπ(level): Positive parity from comparison with shell-model calculated spectrum for the odd-spin t=0 yrast band.
  1439.4(4+,5+)   Possible lowest t=0, (4+) state (2004Ru03).
  2234.0   Possible t=1, (4+) analog of 2186, 4+ state in 62Zn (2004Ru03).
  2373.6(6+)   Possible lowest t=0, (6+) state (2004Ru03).
  2434.3(7+)   E(level): ΔJ=2, T=0, yrast band.
Jπ(level): Positive parity from comparison with shell-model calculated spectrum for the odd-spin t=0 yrast band.
  3922.0(8+)   E(level): yrast SEQUENCE, α=0.
  4789.1(9+)   E(level): ΔJ=2, T=0, yrast band.
Jπ(level): Positive parity from comparison with shell-model calculated spectrum for the odd-spin t=0 yrast band.
  4945.2(9+,10+)   E(level): yrast SEQUENCE, α=0.
  5735.0(11+)   E(level): ΔJ=2, T=0, yrast band.
Jπ(level): Positive parity from comparison with shell-model calculated spectrum for the odd-spin t=0 yrast band.
  6842.3   E(level): ΔJ=2, T=0, yrast band.
Jπ(level): Positive parity from comparison with shell-model calculated spectrum for the odd-spin t=0 yrast band.

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Additional Gamma Comments:

E(level)E(gamma)Comments
  3491.8  1057.6M(γ): ΔJ=0 transition

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