ADOPTED LEVELS, GAMMAS for 211Fr

Authors: A. Sonzogni, G. Mukherjee, H. Huang, A. Tarazaga, J. Wang |  Citation: Nucl. Data Sheets 114, 661 (2013) |  Cutoff date: 28-FEB-2013 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-4972 keV 14S(n)= 8879 keV 19S(p)= 1824 keV 13Q(α)= 6662 keV 3
Reference: 2012WA38

References:
  A  215Ac α decay  B  203Tl(13C,5nγ),205Tl(12C,6nγ)

General Comments:

211Fr evaluated by α. Sonzogni, γ. Mukherjee, H. Huang, {βα. Tarazaga, J. Wang

Q-value: S(2n)=16514 19, S(2p)=5835 13, Q(εp)=543 14 (2012Wa38)










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0.0AB 9/2- 3.10 m 2 
% α > 80
% ε < 20
     
   395.82 9 A  (7/2-)      395.8 1 
  100

     0.0
9/2-
   505.90 18 A  (5/2-)      110.1 4 
   505.9 2 
   15 8 
  100 27 
(M1)

   395.82
     0.0
(7/2-)
9/2-
   583.28 10 AB (11/2-)      583.3 1 
  100
M1+E2
     0.0
9/2-
   633.09 18 A  (5/2-)      237.2 4 
   633.1 2 
   40 40 
  100 60 


   395.82
     0.0
(7/2-)
9/2-
   652.62 10 AB (13/2-) < 1 ns     69.5 3 
   652.6 1 
 
  100
(M1)
E2
   583.28
     0.0
(11/2-)
9/2-
   738.9 3 A  (7/2-)      342.6 5 
   739.2 4 
  100 67 
   73 53 


   395.82
     0.0
(7/2-)
9/2-
  1026.6 4  B      374.0 4 
  100

   652.62
(13/2-)
  1452.92 14  B (17/2-) < 2 ns    800.3 1 
  100
E2
   652.62
(13/2-)
  1686.32 17  B (21/2-) 2.1 ns 2     233.4 1 
  100
E2
  1452.92
(17/2-)
  1860.02 20  B (23/2-) < 2 ns    173.7 1 
  100
M1
  1686.32
(21/2-)
  2242.4 4  B      382.4 4 
  100

  1860.02
(23/2-)
  2310.24 22  B (25/2+) < 2 ns    450.2 1 
  100
(E1)
  1860.02
(23/2-)
  2423.16 24  B (29/2+) 146 ns 14 
% IT = 100
   112.9 1 
   563.3 3 
   93 12 
  100 10 
(E2)
(E3)
  2310.24
  1860.02
(25/2+)
(23/2-)
  2980.0 3  B (31/2+) < 2 ns    556.8 2 
  100
M1(+E2)
  2423.16
(29/2+)
  3244.0 3  B (33/2+) < 2 ns    264.0 2 
   820.9 2 
   34.9 13 
  100.0 20 
(M1+E2)
E2
  2980.0
  2423.16
(31/2+)
(29/2+)
  3601.6 3  B (37/2+) < 2 ns    357.6 1 
  100
(E2)
  3244.0
(33/2+)
  3928.9 3  B (39/2+) < 2 ns    327.3 1 
  100
M1(+E2)
  3601.6
(37/2+)
  4369.0 4  B      440.1 2 
  100

  3928.9
(39/2+)
  4657.3 4  B (45/2-) 123 ns 14 
% IT = 100
   728.4 2 
  100
E3
  3928.9
(39/2+)
  5196.0 5  B      827.0 4 
  100

  4369.0

E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  5303.3 6  B      934.3 5 
  100

  4369.0

  5556.4 5  B (47/2-) < 7 ns    899.0 3 
  100
M1+E2
  4657.3
(45/2-)
  5785.9 4  B (-)     1128.4 3 
  100
(M1)
  4657.3
(45/2-)
  6023.8 4  B      237.9 2 
  1366.6 3 
   25 9 
  100 9 


  5785.9
  4657.3
(-)
(45/2-)
  6182.5 5  B (49/2-) < 7 ns    626.1 2 
  1525.2 4 
  100 11 
   31 6 
M1+E2

  5556.4
  4657.3
(47/2-)
(45/2-)
  6259.4 5  B (-) < 7 ns     76.9 5 
   703.0 3 
 
  100 25 

(M1)
  6182.5
  5556.4
(49/2-)
(47/2-)
  6560.1 5  B (-) < 7 ns    300.7 5 
   377.6 3 
   ≈0
  100 18 

(M1)
  6259.4
  6182.5
(-)
(49/2-)
  7031.1 6 ? B      471.0 2 
  100

  6560.1
(-)
  7822.1 6 ? B      791.0 3 
  100

  7031.1

  8230.0 7 ? B      407.9 3 
  100

  7822.1

E(level): From a least squares fit to Eγ.

Jπ(level): Spin and parity assignments for the high-spin excited states are based on γ-ray multipolarities, angular distributions and transition strengths (1986By01). The low-spin values are from Hindrance Factors.

T1/2(level): From 203Tl(13C,5nγ),205Tl(12C,6nγ) for excited states

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Additional Gamma Data:















E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
   505.90 (5/2-)      110.1 4 (M1) 10.88α=10.88 19, α(K)=8.74 16, α(L)=1.62 3, α(M)=0.386 7, α(N)=0.1013 18, α(O)=0.0227 4, α(P)=0.00363 7, α(Q)=0.000203 4
   583.28 (11/2-)      583.3 1 M1+E20.84 320.074α=0.074 17, α(K)=0.059 14, α(L)=0.0116 20, α(M)=0.0028 5, α(N)=0.00073 12, α(O)=0.00016 3, α(P)=2.6×10-5 5, α(Q)=1.3E-6 4
   652.62 (13/2-) < 1 ns     69.5 3 (M1) 8.12α=8.12 16, α(L)=6.16 12, α(M)=1.47 3, α(N)=0.385 8, α(O)=0.0862 17, α(P)=0.0138 3, α(Q)=0.000773 15
(13/2-) < 1 ns    652.6 1 E2 0.0202B(E2)(W.u.)>0.063, α=0.0202, α(K)=0.01459 21, α(L)=0.00424 6, α(M)=0.001061 15, α(N)=0.000278 4, α(O)=6.03E-5 9, α(P)=8.96E-6 13, α(Q)=3.23E-7 5
  1452.92 (17/2-) < 2 ns    800.3 1 E2 0.01325B(E2)(W.u.)>0.011, α=0.01325, α(K)=0.00997 14, α(L)=0.00247 4, α(M)=0.000609 9, α(N)=0.0001595 23, α(O)=3.49E-5 5, α(P)=5.28E-6 8, α(Q)=2.16E-7 3
  1686.32 (21/2-) 2.1 ns 2     233.4 1 E2 0.323B(E2)(W.u.)=3.9 4, α=0.323, α(K)=0.1189 17, α(L)=0.1506 22, α(M)=0.0402 6, α(N)=0.01055 15, α(O)=0.00221 4, α(P)=0.000296 5, α(Q)=3.04E-6 5
  1860.02 (23/2-) < 2 ns    173.7 1 M1 2.98α=2.98, α(K)=2.40 4, α(L)=0.440 7, α(M)=0.1048 15, α(N)=0.0275 4, α(O)=0.00614 9, α(P)=0.000985 14, α(Q)=5.50×10-5 8
  2310.24 (25/2+) < 2 ns    450.2 1 (E1) 0.01414B(E1)(W.u.)>1.0E-6, α=0.01414, α(K)=0.01154 17, α(L)=0.00198 3, α(M)=0.000469 7, α(N)=0.0001220 17, α(O)=2.69E-5 4, α(P)=4.18E-6 6, α(Q)=2.08E-7 3
  2423.16 (29/2+) 146 ns 14 
% IT = 100
   112.9 1 (E2) 5.32B(E2)(W.u.)=0.38 8, α=5.32, α(K)=0.332 5, α(L)=3.67 6, α(M)=0.995 15, α(N)=0.261 4, α(O)=0.0541 8, α(P)=0.00700 11, α(Q)=2.14E-5 3
(29/2+) 146 ns 14 
% IT = 100
   563.3 3 (E3) 0.0907B(E3)(W.u.)=25 5, α=0.0907, α(K)=0.0473 7, α(L)=0.0321 5, α(M)=0.00852 12, α(N)=0.00225 4, α(O)=0.000480 7, α(P)=6.83E-5 10, α(Q)=1.518E-6 22
  2980.0 (31/2+) < 2 ns    556.8 2 M1(+E2)-0.1 +1-60.12α=0.12 3, α(K)=0.10 3, α(L)=0.018 4, α(M)=0.0042 8, α(N)=0.00110 21, α(O)=0.00024 5, α(P)=3.9×10-5 9, α(Q)=2.2E-6 6
  3244.0 (33/2+) < 2 ns    264.0 2 (M1+E2)1 10.6α=0.6 4, α(K)=0.4 4, α(L)=0.114 23, α(M)=0.028 4, α(N)=0.0074 11, α(O)=0.0016 3, α(P)=0.00024 7, α(Q)=1.0×10-5 8, α(N+)=0.0093 14
(33/2+) < 2 ns    820.9 2 E2 0.01259α=0.01259, α(K)=0.00952 14, α(L)=0.00231 4, α(M)=0.000570 8, α(N)=0.0001494 21, α(O)=3.27×10-5 5, α(P)=4.96E-6 7, α(Q)=2.06E-7 3
  3601.6 (37/2+) < 2 ns    357.6 1 (E2) 0.0871B(E2)(W.u.)>0.60, α=0.0871, α(K)=0.0483 7, α(L)=0.0289 4, α(M)=0.00754 11, α(N)=0.00198 3, α(O)=0.000420 6, α(P)=5.85E-5 9, α(Q)=1.139E-6 16
  3928.9 (39/2+) < 2 ns    327.3 1 M1(+E2)0.6 60.41α=0.41 13, α(K)=0.32 12, α(L)=0.066 12, α(M)=0.0159 24, α(N)=0.0042 7, α(O)=0.00092 15, α(P)=0.00014 3, α(Q)=7.E-6 3
  4657.3 (45/2-) 123 ns 14 
% IT = 100
   728.4 2 E3 0.0444B(E3)(W.u.)=33 4, α=0.0444, α(K)=0.0276 4, α(L)=0.01248 18, α(M)=0.00324 5, α(N)=0.000853 12, α(O)=0.000184 3, α(P)=2.68E-5 4, α(Q)=7.84E-7 11
  5556.4 (47/2-) < 7 ns    899.0 3 M1+E20.8 40.025α=0.025 7, α(K)=0.020 5, α(L)=0.0037 8, α(M)=0.00089 19, α(N)=0.00023 5, α(O)=5.2×10-5 11, α(P)=8.3E-6 18, α(Q)=4.5E-7 12
  5785.9 (-)     1128.4 3 (M1) 0.0192α=0.0192, α(K)=0.01559 22, α(L)=0.00273 4, α(M)=0.000647 9, α(N)=0.0001694 24, α(O)=3.79×10-5 6, α(P)=6.09E-6 9, α(Q)=3.43E-7 5
  6182.5 (49/2-) < 7 ns    626.1 2 M1+E21.4 +7-40.045α=0.045 11, α(K)=0.035 10, α(L)=0.0075 14, α(M)=0.0018 3, α(N)=0.00048 8, α(O)=0.000106 19, α(P)=1.6×10-5 3, α(Q)=7.8E-7 21
  6259.4 (-) < 7 ns    703.0 3 (M1) 0.0661α=0.0661, α(K)=0.0536 8, α(L)=0.00951 14, α(M)=0.00226 4, α(N)=0.000591 9, α(O)=0.0001322 19, α(P)=2.12×10-5 3, α(Q)=1.191E-6 17
  6560.1 (-) < 7 ns    377.6 3 (M1) 0.347α=0.347, α(K)=0.281 4, α(L)=0.0506 8, α(M)=0.01204 17, α(N)=0.00316 5, α(O)=0.000705 10, α(P)=0.0001132 16, α(Q)=6.32×10-6 9

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.09/2- 3.10 m 2 
% α > 80
% ε < 20
μ=+4.00 8 (1986Ek02,1989Ra17,2011StZZ), Q=-0.19 3 (1985Co24,1989Ra17,2011StZZ)
Isotope Shift: 2000Gr20, 1999Gr15.
E(level): Isotope Shift: 2000Gr20, 1999Gr15.

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Additional Gamma Comments:

E(level)E(gamma)Comments
   583.28   583.3E(γ): from 215Ac α decay
   652.62    69.5E(γ): Not observed in α decay
   652.6E(γ): From 203Tl(13C,5nγ),205Tl(12C,6nγ)

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