ADOPTED LEVELS, GAMMAS for 131Sn

Authors: Yu. Khazov, I. Mitropolsky, A. Rodionov |  Citation: Nucl. Data Sheets 107, 2715 (2006) |  Cutoff date: 17-Jul-2006 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=4710 keV 6S(n)= 5211 keV 7S(p)= 1.468×104 keV 4Q(α)= -11207 keV 15
Reference: 2012WA38

References:
  A  131In β- decay (0.28 S)  B  131In β- decay (0.35 S)
  C  131In β- decay (0.32 S)  D  132In β-n decay
  E  248Cm SF decay 

General Comments:

Charge radii and moments measurements: 2002Le30, 2004Le13, 2005Le34

Mass measurements: 2002BoZX, 2005Si34

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

Q-value: Q(β-)=4698 11 (2004Fo06)










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0.0AB    (3/2+) 56.0 s 5 
% β- = 100
     
     0.0+XA C E (11/2-) 58.4 s 5 
% IT = ?
% β- ≈ 100
     
   331.73 10  B    (1/2+)      331.72 10 
  100
[M1,E2]
     0.0
(3/2+)
  1654.53 8 AB    (5/2+)     1654.55 10 
  100

     0.0
(3/2+)
  2434.13 7 A     (7/2+)      779.64 10 
  2434.08 7 
    1.9 3 
  100
[M1]

  1654.53
     0.0
(5/2+)
(3/2+)
  3909.6 6 A     (1/2,3/2)     3577.8 6 
  100

   331.73
(1/2+)
  3989.93 19 A     (7/2+)     1555.6 5 
  3989.9 2 
    3.7 9 
  100


  2434.13
     0.0
(7/2+)
(3/2+)
  4102.01+X 18     E (15/2-)     4102
  100

     0.0+X
(11/2-)
  4220.1+X 8     E (13/2+)     4220
  100

     0.0+X
(11/2-)
  4247.1+X 8     E (15/2+)     4247
  100

     0.0+X
(11/2-)
  4262.2 7 A         4262.1 7 
  100

     0.0
(3/2+)
  4273.22+X 18   C E (17/2+) < 0.2 ns    171.1 3 
  4273.20 20 
    1.5 4 
  100


  4102.01+X
     0.0+X
(15/2-)
(11/2-)
  4352.7 7 A         4352.6 7 
  100

     0.0
(3/2+)
  4404.8 4 A         2750.0 5 
  4404.9 4 
   64 20 
  100


  1654.53
     0.0
(5/2+)
(3/2+)
  4423.1+X 6     E (15/2+)      150
   203
   321
  4423
   64
  100
   64
   64



[M2]
  4273.22+X
  4220.1+X
  4102.01+X
     0.0+X
(17/2+)
(13/2+)
(15/2-)
(11/2-)
  4429.6 5  B    (1/2,3/2)     4097.6 10 
  4429.6 5 
   67 30 
  100


   331.73
     0.0
(1/2+)
(3/2+)
  4446.41+X 18   C E (19/2-) < 0.2 ns    173.185 23 
   344.40 3 
  4446.0 5 
  100
   15 2 
    8 2 
(E1)

[E4]
  4273.22+X
  4102.01+X
     0.0+X
(17/2+)
(15/2-)
(11/2-)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  4487.08 20 A     (7/2+)     4487.00 20 
  100

     0.0
(3/2+)
  4510.6+X 8     E (17/2-)       63?
   238
   408
 
   32
  100



  4446.41+X
  4273.22+X
  4102.01+X
(19/2-)
(17/2+)
(15/2-)
  4557.85+X 21   C E (19/2+) < 2 ns    284.67 10 
  100
(M1,E2)
  4273.22+X
(17/2+)
  4575.8 5  B    1/2,3/2     4242.5 12 
  4576.0 5 
   40 20 
  100


   331.73
     0.0
(1/2+)
(3/2+)
  4576.1+X 6     E (17/2+)      303
   329
   474
  4576
   50
  100
   50
   50



[E3]
  4273.22+X
  4247.1+X
  4102.01+X
     0.0+X
(17/2+)
(15/2+)
(15/2-)
(11/2-)
  4604.91+X 21   C E (23/2-) 300 ns 20     158.50 10 
  100
E2
  4446.41+X
(19/2-)
  4705.6+X 4 ?  C        259.2 3 
  100

  4446.41+X
(19/2-)
  4743.4+X 11     E (21/2-)      297
  100

  4446.41+X
(19/2-)
  4768.6+X 13 ?    E      258
  100

  4510.6+X
(17/2-)
  4770.7 5 ?A         4770.6 5 ?
  100

     0.0
(3/2+)
  4989.9+X 11     E (21/2+)      432
  100

  4557.85+X
(19/2+)
  5111.9 7 A         2677.7 7 
  100 2 

  2434.13
(7/2+)
  5215.7 5 A         5215.6 5 
  100 4 

     0.0
(3/2+)
  6653.61+X 24   C   (19/2+,21/2+)     2095.9 2 
  2380.2 2 
  100 20 
   66 17 


  4557.85+X
  4273.22+X
(19/2+)
(17/2+)

Jπ(level): Above the g.s. and the isomer state as proposed by 1984Fo19, 1984Fo03 and 2001Bh04, based on shell model considerations and partly on β- decay systematics (2004Fo06)

T1/2(level): From γγ(t) 131In 0.32 s 21/2- β- decay, except as noted

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - ν(f7/2h11/2-1) multiplet (2001Bh04)
  4102.01+X 18  (15/2-)        
  4446.41+X 18  (19/2-) < 0.2 ns      
  4510.6+X 8  (17/2-)       63?
   238
   408
 
   32
  100



  4446.41+X
  4273.22+X
  4102.01+X
(19/2-)
(17/2+)
(15/2-)
  4604.91+X 21  (23/2-) 300 ns 20     158.50 10 
  100
E2
  4446.41+X
(19/2-)
  4743.4+X 11  (21/2-)      297
  100

  4446.41+X
(19/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - ν(f7/2h11/2-1d3/2-1) multiplet (2001Bh04)
  4423.1+X 6  (15/2+)        
  4557.85+X 21  (19/2+) < 2 ns      
  4576.1+X 6  (17/2+)      303
   329
   474
  4576
   50
  100
   50
   50



[E3]
  4273.22+X
  4247.1+X
  4102.01+X
     0.0+X
(17/2+)
(15/2+)
(15/2-)
(11/2-)
  4989.9+X 11  (21/2+)      432
  100

  4557.85+X
(19/2+)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - νh11/2-1~#(3- octupole) multiplet (2001Bh04)
  4220.1+X 8  (13/2+)        
  4247.1+X 8  (15/2+)        
  4273.22+X 18  (17/2+) < 0.2 ns    171.1 3 
  4273.20 20 
    1.5 4 
  100


  4102.01+X
     0.0+X
(15/2-)
(11/2-)

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Additional Gamma Data:













E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
   331.73 (1/2+)      331.72 10 [M1,E2]0.0239α=0.0239 18
  2434.13 (7/2+)      779.64 10 [M1]0.00276B(M1)(W.u.)≈0.002 (<a href= "http://www.nndc.bnl.gov/nsr/nsrlink.jsp?1984Fo03 ">1984Fo03</a>), α=0.00276
  4423.1+X (15/2+)     4423[M2]1.13×10-3α=1.13×10-3
  4446.41+X (19/2-) < 0.2 ns    173.185 23 (E1)0.0384B(E1)(W.u.)>0.00020, α=0.0384
(19/2-) < 0.2 ns   4446.0 5 [E4]1.67×10-4B(E4)(W.u.)>68, α=1.67E-4
  4557.85+X (19/2+) < 2 ns    284.67 10 (M1,E2)0.037α=0.037 5
  4576.1+X (17/2+)     4576[E3]1.18×10-3α=1.18×10-3
  4604.91+X (23/2-) 300 ns 20     158.50 10 E20.313B(E2)(W.u.)=0.363 25, α=0.313

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.0(3/2+) 56.0 s 5 
% β- = 100
μ=+0.747 4 (2004Le13,2005Le34), Q=-0.04 8 (2004Le13)
Mean square charge radius: Δ<r2>(131Sn-120Sn)=+0.52 fm2 7; charge radius r=4.708 fm 7 (2005Le34).
Jπ(level): From systematics of d3/2 and h11/2 hole states in odd-A Sn nuclides near α=132. Hyperfine interactions measurements and experimental multipole moments (2002Le30,2004Le13) are consistent with 3/2+and 11/2- assignments.
T1/2(level): From 1986StZZ; γ(t). Discrepancy in T1/2 from 798γ(t) between 1977Sc14 and 1981Hu09 is unresolved. Others (isomers unresolved): 65 s 6 (1974Fo06), 51.5 s 4 and 58.1 s 6 (1974Gr29), and 62.9 s 25 (1972Iz01). See 1978Iz03, 1976Au03, and 1974Gr29 for additional references.
     0.0+X(11/2-) 58.4 s 5 
% IT = ?
% β- ≈ 100
μ=-1.276 5 (2004Le13,2005Le34), Q=+0.02 20 (2004Le13,2005Le34)
Mean square charge radius: Δ<r2>(131Sn-120Sn)=+0.55 fm2 7; charge radius r=4.711 fm 7 (2005Le34).
Jπ(level): From systematics of d3/2 and h11/2 hole states in odd-A Sn nuclides near α=132. Hyperfine interactions measurements and experimental multipole moments (2002Le30,2004Le13) are consistent with 3/2+and 11/2- assignments.
T1/2(level): From 1986StZZ; γ(t). Discrepancy in T1/2 from 798γ(t) between 1977Sc14 and 1981Hu09 is unresolved. Others (isomers unresolved): 65 s 6 (1974Fo06), 51.5 s 4 and 58.1 s 6 (1974Gr29), and 62.9 s 25 (1972Iz01). See 1978Iz03, 1976Au03, and 1974Gr29 for additional references.
  4102.01+X(15/2-)   E(level): ν(f7/2h11/2-1) multiplet (2001Bh04).
  4220.1+X(13/2+)   E(level): νh11/2-1~#(3- octupole) multiplet (2001Bh04).
  4247.1+X(15/2+)   E(level): νh11/2-1~#(3- octupole) multiplet (2001Bh04).
  4273.22+X(17/2+) < 0.2 ns E(level): νh11/2-1~#(3- octupole) multiplet (2001Bh04).
  4423.1+X(15/2+)   E(level): From 131In 21/2- 0.32 s β- decay. ν(f7/2h11/2-1d3/2-1) multiplet (2001Bh04).
  4446.41+X(19/2-) < 0.2 ns E(level): ν(f7/2h11/2-1) multiplet (2001Bh04).
  4510.6+X(17/2-)   E(level): ν(f7/2h11/2-1) multiplet (2001Bh04).
  4557.85+X(19/2+) < 2 ns E(level): From 131In 21/2- 0.32 s β- decay. ν(f7/2h11/2-1d3/2-1) multiplet (2001Bh04).
  4576.1+X(17/2+)   E(level): From 131In 21/2- 0.32 s β- decay. ν(f7/2h11/2-1d3/2-1) multiplet (2001Bh04).
  4604.91+X(23/2-) 300 ns 20  E(level): ν(f7/2h11/2-1) multiplet (2001Bh04).
  4743.4+X(21/2-)   E(level): ν(f7/2h11/2-1) multiplet (2001Bh04).
  4989.9+X(21/2+)   E(level): From 131In 21/2- 0.32 s β- decay. ν(f7/2h11/2-1d3/2-1) multiplet (2001Bh04).

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Additional Gamma Comments:

E(level)E(gamma)Comments
  3989.93  3989.9E(γ): From 131In 21/2- 0.32 s β- decay
  4262.2  4262.1E(γ): May belong to the decay of 0.35 s 1/2- 131In isomer
  4273.22+X  4273.20E(γ): From 131In 21/2- 0.32 s β- decay
I(γ): From 131In 21/2- 0.32 s β- decay
  4352.7  4352.6E(γ): May belong to the decay of 0.35 s 1/2- 131In isomer
  4446.41+X   173.185E(γ): From 131In 21/2- 0.32 s β- decay
I(γ): From 131In 21/2- 0.32 s β- decay
   344.40E(γ): From 248Cm SF decay only
  4446.0E(γ): From 248Cm SF decay only
  4487.08  4487.00E(γ): May belong to the decay of 0.35 s 1/2- 131In isomer
  4557.85+X   284.67E(γ): From 131In 21/2- 0.32 s β- decay
I(γ): From 131In 21/2- 0.32 s β- decay
  4604.91+X   158.50E(γ): From 131In 21/2- 0.32 s β- decay
I(γ): From 131In 21/2- 0.32 s β- decay
  4770.7  4770.6E(γ): May belong to the decay of 0.35 s 1/2- 131In isomer
  5215.7  5215.6E(γ): May belong to the decay of 0.35 s 1/2- 131In isomer
  6653.61+X  2095.9E(γ): From 131In 21/2- 0.32 s β- decay
I(γ): From 131In 21/2- 0.32 s β- decay
  2380.2E(γ): From 131In 21/2- 0.32 s β- decay
I(γ): From 131In 21/2- 0.32 s β- decay

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