ADOPTED LEVELS, GAMMAS for 147Er

Authors: N. Nica and B. Singh |  Citation: Nucl. Data Sheets 181, 1 (2022) |  Cutoff date: 9-Mar-2022 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-10630 keV 40S(n)= 10360 keV 40S(p)= 2660 keV 40Q(α)= 3140 keV 40
Reference: 2021WA16

References:
  A  147Tm ε decay  B  92Mo(58Ni,2pnγ)








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
       0.0AB (1/2+) 3.2 s 12 
% ε = 100
% β+p > 0
     
      80.9A  (3/2+)       80.9
  100

       0.0
(1/2+)
       0.0+XAB (11/2-) 1.6 s 2 
% ε = 100
% β+p > 0
     
     543.0+X B (15/2-)      543
  100
(E2)
       0.0+X
(11/2-)
    1455.0+X B (19/2-)      912
  100
(E2)
     543.0+X
(15/2-)
    1668.0+X B     1125
  100

     543.0+X
(15/2-)
    2179.0+X B      511
  100

    1668.0+X

    2430.0+X B (23/2-)      975
  100
(E2)
    1455.0+X
(19/2-)
    2549.0+X B      370
  100

    2179.0+X

    2606.0+X B      176
  100

    2430.0+X
(23/2-)
    2793.0+X B      244
  100

    2549.0+X

    3197.0+X B      591
  100

    2606.0+X

    3361.0+X B      568
  100

    2793.0+X

  3468+X B      107
  100

    3361.0+X

  4323+X B      855
  100

  3468+X

  5008+X B      685
  100

  4323+X

E(level): No uncertainties are available for the Eγ input. The E(level) values are from a least-squares fit to the Eγ data with the assumption that the uncertainties are the same for all the Eγ’s

M(γ): From DCO in (58Ni,2pnγ); 1992De30 assume E2 for quadrupole transitions

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - (11/2-) νh11/2 band
       0.0+X (11/2-) 1.6 s 2 
% ε = 100
% β+p > 0
     
     543.0+X (15/2-)      543
  100
(E2)
       0.0+X
(11/2-)
    1455.0+X (19/2-)        
    2430.0+X (23/2-)      975
  100
(E2)
    1455.0+X
(19/2-)

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Additional Gamma Data:













E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityConversion
Coefficient		Additional Data
     543.0+X (15/2-)      543(E2)0.01334α=0.01334, α(K)=0.01071 15, α(L)=0.00204 3, α(M)=0.000464 7, α(N)=0.0001071 15, α(O)=1.459×10-5 21, α(P)=5.97E-7 9
    1455.0+X (19/2-)      912(E2)0.00407α=0.00407, α(K)=0.00339 5, α(L)=0.000531 8, α(M)=0.0001184 17, α(N)=2.75×10-5 4, α(O)=3.88E-6 6, α(P)=1.93E-7 3
    2430.0+X (23/2-)      975(E2)0.00354α=0.00354, α(K)=0.00296 5, α(L)=0.000455 7, α(M)=0.0001014 15, α(N)=2.35×10-5 4, α(O)=3.33E-6 5, α(P)=1.683E-7 24

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
       0.0(1/2+) 3.2 s 12 
% ε = 100
% β+p > 0
Jπ(level): From syst of νs1/2, νd3/2, and νh11/2 (neutron hole) states in Sm, Gd, Dy, and Er nuclei with n=77, 79, and 81 in ε decay (1993To02). This changes the previous assignment (1992De38) where Jπ(g.s.)=(11/2-), and Jπ(0.0+x)=(1/2+).
      80.9(3/2+)   Jπ(level): From syst of νs1/2, νd3/2, and νh11/2 (neutron hole) states in Sm, Gd, Dy, and Er nuclei with n=77, 79, and 81 in ε decay (1993To02). This changes the previous assignment (1992De38) where Jπ(g.s.)=(11/2-), and Jπ(0.0+x)=(1/2+).
       0.0+X(11/2-) 1.6 s 2 
% ε = 100
% β+p > 0
E(level): (11/2-) νh11/2 band.
Jπ(level): From syst of νs1/2, νd3/2, and νh11/2 (neutron hole) states in Sm, Gd, Dy, and Er nuclei with n=77, 79, and 81 in ε decay (1993To02). This changes the previous assignment (1992De38) where Jπ(g.s.)=(11/2-), and Jπ(0.0+x)=(1/2+).
     543.0+X(15/2-)   E(level): (11/2-) νh11/2 band.
Jπ(level): Based on multipolarities and comparison with 139Nd, 141Sm, 143Gd, and 145Dy isotones in 92Mo(58Ni,2pnγ) (1992De30).
    1455.0+X(19/2-)   E(level): (11/2-) νh11/2 band.
Jπ(level): Based on multipolarities and comparison with 139Nd, 141Sm, 143Gd, and 145Dy isotones in 92Mo(58Ni,2pnγ) (1992De30).
    2430.0+X(23/2-)   E(level): (11/2-) νh11/2 band.
Jπ(level): Based on multipolarities and comparison with 139Nd, 141Sm, 143Gd, and 145Dy isotones in 92Mo(58Ni,2pnγ) (1992De30).

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