ADOPTED LEVELS, GAMMAS for 89Tc

Author: Balraj Singh |  Citation: ENSDF |  Cutoff date: 30-Nov-2021 

Author: Balraj Singh |  Citation: Nucl. Data Sheets 114, 1 (2013) |  Cutoff date: 20-Oct-2012 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-9025 keV 25S(n)= 13796 keV 6S(p)= 1997 keV 5Q(α)= -3540 keV 6
Reference: 2021WA16

References:
  A  89Ru ε decay (1.32 S)  B  90Rh εp decay (0.56 S)
  C  58Ni(40Ca,P2AG) 

General Comments:

Two activities in 89Tc isotope produced and identified by 1981OxZZ (also 1983OxZZ) in bombardment of 92Mo by protons; and by 1991He04 in bombardment of Ni by 32S beam.

Measured mass excess of 89Tc: 2008We10 using JYFLTRAP and SHIPTRAP

DICT$ 58Ni(40Ca,p2αγ)=58Ni(40Ca,p2αγ)

Levels: Detailed particle-hole shell model configurations are given by 1995Ru03 for levels above 1700. For positive-parity states, multi-particle configurations involve πg9/2 and νg9/2 and for negative-parity states, πp1/2, πg9/2, νg9/2 and νp1/2 orbitals. Based on calculations by 1995Ru03, levels above 2300 are interpreted as shell-model states, whereas, those at lower energy are likely to have collective components. See also 1997He24 for structure calculations

Gammas: Experimental branching ratios are compared with those calculated from shell-model (see Table 4 in 1995Ru03)

Q-value: Q(ε)=7620 5, Q(εp)=1490 60, S(2n)=25847 6, S(2p)=8098 8 (2021Wa16)










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
        0.0ABC (9/2+) 12.8 s 9 
% ε = 100
     
       62.6 5   C (1/2-) 12.9 s 8 
% ε = 100
% IT < 0.01
     
      179.2 1 A C (7/2+)      179.2 1 
  100
D+Q
        0.0
(9/2+)
      401.6 4 A   (5/2+)      401.6 4 
  100

        0.0
(9/2+)
      790.0 4 ?  C (5/2-)      727.4 3 
  100

       62.6
(1/2-)
      795.9 1  BC (13/2+) < 8.3 ps    795.9 1 
  100
E2
        0.0
(9/2+)
      998.3 2   C (7/2-)      819.1 1 
  100

      179.2
(7/2+)
     1014.6 4 A   (7/2+)      835.4 4 
  100

      179.2
(7/2+)
     1101.3 2   C (11/2+)      922.0 4 
  1101.3 3 
   79 11 
  100 11 
Q
D+Q
      179.2
        0.0
(7/2+)
(9/2+)
     1331.9 3 ?  C (9/2-)      541.9 2 
  100
Q
      790.0
(5/2-)
     1518.2 5 A   (5/2+)     1339.0 5 
  100

      179.2
(7/2+)
     1682.1 2   C (11/2-)      683.7 1 
  100
Q
      998.3
(7/2-)
     1731.8 2   C (17/2+) < 9.0 ps    935.9 1 
  100
E2
      795.9
(13/2+)
     1896.9 2   C (13/2-)      214.8 1 
   565.0 2 
  100 5 
   23 5 
D+Q
Q
     1682.1
     1331.9
(11/2-)
(9/2-)
     2031.9 2   C (17/2+)      299.9 2 
  1236.3 3 
   33 21 
  100 21 


     1731.8
      795.9
(17/2+)
(13/2+)
     2043.6 3   C (15/2+)      942.3 4 
  1248.5 6 
  100 27 
   52 27 
Q

     1101.3
      795.9
(11/2+)
(13/2+)
     2320.5 2   C (17/2-)      276.9 2 
   423.5 2 
   21 2 
  100 4 
D
Q
     2043.6
     1896.9
(15/2+)
(13/2-)
     2427.1 2   C (21/2+) < 26 ps    395.3 2 
   695.3 1 
   12 1 
  100 1 
E2
Q
     2031.9
     1731.8
(17/2+)
(17/2+)
     2530.5 3   C (17/2-)      210.1 2 
  100

     2320.5
(17/2-)
     2923.8 3   C (19/2-)      603.3 3 
  100

     2320.5
(17/2-)
     3103.5 2   C (23/2+)      676.4 1 
  100
D+Q
     2427.1
(21/2+)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     3112.8 2   C (21/2-)      189.1 3 
   792.4 1 
    5 2 
  100 2 

Q
     2923.8
     2320.5
(19/2-)
(17/2-)
     3217.7 2   C (25/2+)      114.2 1 
   790.5 1 
   33 7 
  100 7 
D+Q
Q
     3103.5
     2427.1
(23/2+)
(21/2+)
     3311.4 4   C (21/2-)      198.6 4 
   781.0 4 
  100 32 
   89 32 

Q
     3112.8
     2530.5
(21/2-)
(17/2-)
     4065.2 2   C (25/2-)      952.3 1 
  100
Q
     3112.8
(21/2-)
     4224.0 3 ?  C (25/2-)      912.8 4 
  100
Q
     3311.4
(21/2-)
     4243.2 2   C (29/2+)     1025.5 1 
  100
Q
     3217.7
(25/2+)
     4713.6 3   C (27/2-)      489.6 2 
   648.6 2 
   47 13 
  100 13 
D+Q
D+Q
     4224.0
     4065.2
(25/2-)
(25/2-)
     4942.3 3   C (29/2-)      228.8 2 
   11 3 
D+Q
     4713.6
(27/2-)
     5113.8 3   C (29/2-)      400.1 2 
  1048.4 5 
  100 17 
   41 17 
D+Q

     4713.6
     4065.2
(27/2-)
(25/2-)
     5329.2 2   C (33/2+)     1086.0 1 
  100
Q
     4243.2
(29/2+)
     5332.1 3   C (31/2-)      218.3 2 
   389.8 1 
   618.7 2 
  1088.9 4 
   23 7 
  100 10 
   22 7 
   11 4 
D+Q
D+Q
Q
D
     5113.8
     4942.3
     4713.6
     4243.2
(29/2-)
(29/2-)
(27/2-)
(29/2+)
     5650.9 3   C (33/2-)      318.8 1 
  100
D+Q
     5332.1
(31/2-)
     6190.5 3   C (35/2+)      861.3 1 
  100
D+Q
     5329.2
(33/2+)
     6413.7 3   C (35/2-)     1081.6 2 
  100
Q
     5332.1
(31/2-)
     6545.9 3   C (37/2+)      355.5 2 
  1216.5 5 
  100 10 
   49 10 
D+Q

     6190.5
     5329.2
(35/2+)
(33/2+)
     6612.0 4   C (37/2-)      198.3 4 
   961.1 2 
   28 8 
  100 8 

Q
     6413.7
     5650.9
(35/2-)
(33/2-)
     7011.3 3 ?  C (37/2+)      820.6 2 
  100
D+Q
     6190.5
(35/2+)
     7402.1 3   C (39/2+)      390.6 2 
  1211.9 3 
   92 19 
  100 19 
D+Q
Q
     7011.3
     6190.5
(37/2+)
(35/2+)
     7765.7 4   C (41/2-)     1153.7 2 
  100
Q
     6612.0
(37/2-)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     7772.0 4   C (41/2+)      369.8 2 
  1227.0 6 
  100 10 
   41 10 
D+Q

     7402.1
     6545.9
(39/2+)
(37/2+)
     9109.8 7   C (45/2+)     1337.8 5 
  100

     7772.0
(41/2+)
     9163.2 6   C (45/2-)     1397.4 4 
  100
Q
     7765.7
(41/2-)
        X  C J AP (35/2-)        
     1149.2+X 3   C J+2     1149.2 3 
    0.30 5 

        X
J AP (35/2-)
     2408.1+X 4   C J+4     1258.83 11 
    1.00 5 

     1149.2+X
J+2
     3792.4+X 4   C J+6     1384.35 7 
    0.90 5 

     2408.1+X
J+4
     5313.6+X 4   C J+8     1521.18 8 
    0.95 5 

     3792.4+X
J+6
     6981.7+X 4   C J+10     1668.09 6 
    1.00 5 

     5313.6+X
J+8
     8800.6+X 4   C J+12     1818.82 8 
    1.00 5 

     6981.7+X
J+10
    10775.2+X 4   C J+14     1974.57 9 
    0.85 5 

     8800.6+X
J+12
    12911.2+X 4   C J+16     2136.01 10 
    0.60 3 

    10775.2+X
J+14
    15209.6+X 4   C J+18     2298.34 13 
    0.40 3 

    12911.2+X
J+16
    17671.6+X 17   C J+20     2462.0 16 
    0.20 2 

    15209.6+X
J+18
  20291+X 4 ?  C J+22     2619 3 ?
    0.06 2 

    17671.6+X
J+20

Jπ(level): From 1995Ru03 unless otherwise stated. These are based on systematics of nuclides in this mass region. The g.s. and 62.6 are identified with πg9/2 and πp1/2 configurations. The assignments for higher states are based on γγ(θ)(DCO) data with the assumption of mult=E2 for ΔJ=2, mult=M1+E2 for ΔJ=1, admixed transitions, and mult=E1 for ΔJ=1 transitions. It is also assumed that spins ascend with excitation energy in yrast-type pattern of level population in heavy-ion reactions

E(γ): From 58Ni(40Ca,p2αγ), unless otherwise stated

I(γ): Branching ratios from Table 4 of 1995Ru03. For SD band, values are relative intensities within the band, normalized to ≈1 for the most intense transition

M(γ): Multipolarities of ΔJ=1, M1+E2 and ΔJ=2, E2 are assigned in 58Ni(40Ca,p2αγ) (1995Ru03). Evaluator assigne ΔJ=1, D+Q for the former and ΔJ=2, Q for the latter, as DCO data are insensitive to parity determination. When level half-life is available, ΔJ=2, Q transitions are assigned ΔJ=2, E2 from RUL (for E2 and M2)

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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 (9/2+) 12.8 s 9 
% ε = 100
     
      795.9 1  (13/2+) < 8.3 ps      
     1731.8 2  (17/2+) < 9.0 ps    935.9 1 
  100
E2
      795.9
(13/2+)
     2427.1 2  (21/2+) < 26 ps    395.3 2 
   695.3 1 
   12 1 
  100 1 
E2
Q
     2031.9
     1731.8
(17/2+)
(17/2+)
     3217.7 2  (25/2+)      114.2 1 
   790.5 1 
   33 7 
  100 7 
D+Q
Q
     3103.5
     2427.1
(23/2+)
(21/2+)
     4243.2 2  (29/2+)     1025.5 1 
  100
Q
     3217.7
(25/2+)
     5329.2 2  (33/2+)     1086.0 1 
  100
Q
     4243.2
(29/2+)
     6545.9 3  (37/2+)      355.5 2 
  1216.5 5 
  100 10 
   49 10 
D+Q

     6190.5
     5329.2
(35/2+)
(33/2+)
     7772.0 4  (41/2+)      369.8 2 
  1227.0 6 
  100 10 
   41 10 
D+Q

     7402.1
     6545.9
(39/2+)
(37/2+)
     9109.8 7  (45/2+)     1337.8 5 
  100

     7772.0
(41/2+)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - SD band.
        X J AP (35/2-)        
     1149.2+X 3  J+2        
     2408.1+X 4  J+4     1258.83 11 
    1.00 5 

     1149.2+X
J+2
     3792.4+X 4  J+6     1384.35 7 
    0.90 5 

     2408.1+X
J+4
     5313.6+X 4  J+8     1521.18 8 
    0.95 5 

     3792.4+X
J+6
     6981.7+X 4  J+10     1668.09 6 
    1.00 5 

     5313.6+X
J+8
     8800.6+X 4  J+12     1818.82 8 
    1.00 5 

     6981.7+X
J+10
    10775.2+X 4  J+14     1974.57 9 
    0.85 5 

     8800.6+X
J+12
    12911.2+X 4  J+16     2136.01 10 
    0.60 3 

    10775.2+X
J+14
    15209.6+X 4  J+18     2298.34 13 
    0.40 3 

    12911.2+X
J+16
    17671.6+X 17  J+20     2462.0 16 
    0.20 2 

    15209.6+X
J+18
  20291+X 4  J+22     2619 3 ?
    0.06 2 

    17671.6+X
J+20

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
        0.0(9/2+) 12.8 s 9 
% ε = 100
Configuration=πg9/2 (1995Ru03).
E(level): Yrast sequence.
       62.6(1/2-) 12.9 s 8 
% ε = 100
% IT < 0.01
Configuration=πp1/2 (1995Ru03).
      401.6(5/2+)   Jπ(level): Tentative assignments proposed by 2019Pa16 in 89Ru ε decay, based on shell-model calculations.
      795.9(13/2+) < 8.3 ps E(level): Yrast sequence.
     1014.6(7/2+)   Jπ(level): Tentative assignments proposed by 2019Pa16 in 89Ru ε decay, based on shell-model calculations.
     1518.2(5/2+)   Jπ(level): Tentative assignments proposed by 2019Pa16 in 89Ru ε decay, based on shell-model calculations.
     1731.8(17/2+) < 9.0 ps E(level): Yrast sequence.
     2427.1(21/2+) < 26 ps E(level): Yrast sequence.
     3217.7(25/2+)   E(level): Yrast sequence.
     4243.2(29/2+)   E(level): Yrast sequence.
     5329.2(33/2+)   E(level): Yrast sequence.
     6545.9(37/2+)   E(level): Yrast sequence.
     7772.0(41/2+)   E(level): Yrast sequence.
     9109.8(45/2+)   E(level): Yrast sequence.
        XJ AP (35/2-)   E(level): SD band.
     1149.2+XJ+2   E(level): SD band.
     2408.1+XJ+4   E(level): SD band.
     3792.4+XJ+6   E(level): SD band.
     5313.6+XJ+8   E(level): SD band.
     6981.7+XJ+10   E(level): SD band.
     8800.6+XJ+12   E(level): SD band.
    10775.2+XJ+14   E(level): SD band.
    12911.2+XJ+16   E(level): SD band.
    15209.6+XJ+18   E(level): SD band.
    17671.6+XJ+20   E(level): SD band.
E(level)Jπ(level)T1/2(level)Comments
  20291+XJ+22   E(level): SD band.

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Additional Gamma Comments:

E(level)E(gamma)Comments
      179.2      179.2E(γ): same value in 89Ru ε decay and 58Ni(40Ca,p2αγ)
      401.6      401.6E(γ): From 89Ru ε decay
      795.9      795.9E(γ): from 58Ni(40Ca,p2αγ). Other: 797.7 17 in 90Rh εp decay
M(γ): ΔJ=2, Q from DCO, RUL(for E2 amd M2) gives E2
     1014.6      835.4E(γ): From 89Ru ε decay
     1518.2     1339.0E(γ): From 89Ru ε decay
     1731.8      935.9M(γ): ΔJ=2, Q from DCO, RUL(for E2 amd M2) gives E2
     2320.5      276.9M(γ): ΔJ=1, D+Q or d from DCO, assumed (E1) from level scheme
     2427.1      395.3M(γ): ΔJ=2, Q from DCO, RUL(for E2 amd M2) gives E2
     5332.1     1088.9M(γ): ΔJ=1, D+Q or d from DCO, assumed (E1) from level scheme

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