ADOPTED LEVELS, GAMMAS for 131Xe

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-)=-355 keV 5S(n)= 6604.49 keV 22S(p)= 8766 keV 4Q(α)= -2556.9 keV 16
Reference: 2012WA38

References:
  A  131I β- decay  B  131Xe IT decay
  C  131Cs ε decay  D  128Te(α,nγ), 130Te(α,3nγ)
  E  131Xe(γ,γ) RES  F  131Xe(γ,γ’)
  G  Coulomb Excitation 

General Comments:

Isotope shifts are measured by 1988Ge05, 1989Bo03, 1989Pl03, 1993Wa26, 1999Da22, 2000Da33, 2001Br28, 2003Sa20

Charge radii are measured by 1988Ge05, 1989Bo03, 1989Pl03, 2003Sa20

Q-value: Note: Current evaluation has used the following Q record -355 5 6604.8 12 8772 3 -2559.0 18 2003Au03










E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0ABCDEFG 3/2+ STABLE      
    80.1854 19 A  DE G 1/2+ 0.48 ns 3      80.185 2 
  100
M1+E2
     0.0
3/2+
   163.930 8 AB D    11/2- 11.84 d 4 
% IT = 100
   163.930 8 
  100
M4
     0.0
3/2+
   341.144 9 A  D    9/2- 1.6 ns 4     177.214 2 
  100
M1+E2
   163.930
11/2-
   364.490 4 A  DE G 5/2+ 69 ps 2     284.305 5 
   364.489 5 
    7.53 6 
  100.0 7 
E2
M1+E2
    80.1854
     0.0
1/2+
3/2+
   404.815 4 A  D  G 3/2+ 18 ps 3     324.651 25 
   404.814 4 
   39 5 
  100 3 
M1+E2
M1+E2
    80.1854
     0.0
1/2+
3/2+
   565.19 15      FG (1/2,3/2)+ 5.9 ps 11     485.0 2 
   565.2 2 
    8.7 22 
  100.0 22 

[M1+E2]
    80.1854
     0.0
1/2+
3/2+
   636.990 4 A  DE G 7/2+ 6.1 ps 5     232.18 15 
   272.498 17 
   295.8 2 
   636.989 4 
    0.044 6 
    0.805 15 
    0.025 12 
  100.0 13 
[E2]
M1+E2
[E1]
E2
   404.815
   364.490
   341.144
     0.0
3/2+
5/2+
9/2-
3/2+
   666.934 9 A  D    7/2- < 0.5 ns    302.4 2 
   325.789 4 
   503.004 4 
    1.32 16 
   76 6 
  100.0 9 
[E1]
M1+E2
E2
   364.490
   341.144
   163.930
5/2+
9/2-
11/2-
   699.90 10    D  G 3/2+      295.3 2 
   335.4 2 
   619.6 2 
   699.8 2 
   13 7 
   59 11 
   46 11 
  100 16 




   404.815
   364.490
    80.1854
     0.0
3/2+
5/2+
1/2+
3/2+
   722.909 4 A  DE G 5/2+ 0.53 ps 5      85.9 2 
   318.088 16 
   358.4 2 
   642.719 5 
   722.911 5 
    0.005 3 
    4.38 10 
    0.9 4 
   12.26 23 
  100.0 14 
[M1,E2]
M1+E2
[M1,E2]
[E2]
M1+E2
   636.990
   404.815
   364.490
    80.1854
     0.0
7/2+
3/2+
5/2+
1/2+
3/2+
   805.93 20    D    15/2-      642.0 2 
  100
E2
   163.930
11/2-
   913.84 14       G      549.4 2 
   833.6 2 
   913.8 4 
   80 15 
  100 8 
    2.0 15 



   364.490
    80.1854
     0.0
5/2+
1/2+
3/2+
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
   952.29 15    D         285.8 2 
   610.7 2 
    7.7 23 
  100 16 


   666.934
   341.144
7/2-
9/2-
   971.22 13    D    (9/2+)      334.3 2 
   606.6 2 
    5.6 14 
  100 12 
(M1+E2)
(E2)
   636.990
   364.490
7/2+
5/2+
   973.11 14    D  G 7/2+ 4.9 ps 9     336.2 2 
   609
   973.0 2 
  <43
    9E1 3 
    1.0E2 3 


E2
   636.990
   364.490
     0.0
7/2+
5/2+
3/2+
   994.42 20    D         589.6 2 
  100

   404.815
3/2+
  1034.32 20    D    (5/2)+      629.5 2 
  100
M1,E2
   404.815
3/2+
  1045.55 20    D    (13/2)-      704.4 2 
  100
E2
   341.144
9/2-
  1113.28 15    D    (9/2)-      446.3 2 
   949.4 2 
   38 13 
  100 25 
M1,E2
(M1,E2)
   666.934
   163.930
7/2-
11/2-
  1156.55 20    D    (11/2)-      815.4 2 
  100
M1,E2
   341.144
9/2-
  1191.15 20    D    (11/2-)      850.0 2 
  100
(M1,E2)
   341.144
9/2-
  1245.0 10    D         608
  100

   636.990
7/2+
  1320.25 20    D    (13/2-)      979.1 2 
  100
(E2)
   341.144
9/2-
  1397.34 17    D    11/2+      760.4 2 
  100
E2
   636.990
7/2+
  1456.29 20    D    (9/2)+      819.3 2 
  100
M1,E2
   636.990
7/2+
  1584.18 19    D    (13/2+)      186.9 2 
   612.9 2 
   80 20 
    1.0E2 4 
(M1,E2)

  1397.34
   971.22
11/2+
(9/2+)
  1600.6 3    D    17/2-      794.6 2 
  100
M1,E2
   805.93
15/2-
  1616.3 3    D    19/2-      810.4 2 
  100
E2
   805.93
15/2-
  1621.02 24    D         649.8 2 
  100

   971.22
(9/2+)
  1641.42 24    D    (11/2+)      670.2 2 
  100
(M1,E2)
   971.22
(9/2+)
  1654.22 24    D    (13/2+)      683.0 2 
  100
E2
   971.22
(9/2+)
  1665     F         
  1721.91 25    D    (11/2)      748.8 2 
  100
(Q)
   973.11
7/2+
  1804.42 24    D         833.2 2 
  100

   971.22
(9/2+)
  1805.3 3    D    19/2+ 14 ns 3     189.1 2 
   204.5 3 
  100 20 
  ≈10
E1
E1
  1616.3
  1600.6
19/2-
17/2-
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  1860.7 3    D    (17/2)-     1054.8 2 
  100
M1,E2
   805.93
15/2-
  1997.8 4    D    (17/2+)      343.6 2 
  100
(E2)
  1654.22
(13/2+)
  2007     F         
  2089.5 3    D    (19/2)     1283.6 2 
  100
(Q)
   805.93
15/2-
  2194.3 5    D    (23/2+)      389.0 3 
  100
(E2)
  1805.3
19/2+
  2249.3 5    D    (21/2+)      444.0 3 
  100
(M1,E2)
  1805.3
19/2+
  2297.1 4    D    (15/2+)      655.7 2 
  100
(E2)
  1641.42
(11/2+)
  2359     F         
  2378     F         
  2396     F         
  2517.8 4    D         901.5 3 
  100

  1616.3
19/2-
  2570     F         
  2601     F         
  2662     F         
  2675     F         
  2833     F         
  2848     F         
  2852     F         
  3088     F         
  3126     F         
  3175     F         
  3185.9 6    D         991.6 3 
  100

  2194.3
(23/2+)

E(level): From least-squares fit to Eγ’s, resulted normalized χ2=0.6

E(γ): Weighted average of all available data, except as noted

I(γ): Relative photon branching from each level from (α,nγ), (α,3nγ), except as noted

M(γ): From α(exp), γγ(θ), γ(lin. pol.)

Back to top

Back to top

Additional Gamma Data:















E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityMixing
Ratio		Conversion
Coefficient		Additional Data
    80.1854 1/2+ 0.48 ns 3      80.185 2 M1+E20.1 LT1.57B(E2)(W.u.)<37, B(M1)(W.u.)>0.032, α=1.57
   163.930 11/2- 11.84 d 4 
% IT = 100
   163.930 8 M4 50.2B(M4)(W.u.)=2.76 9, α=50.2
   341.144 9/2- 1.6 ns 4     177.214 2 M1+E2-4.3 40.241B(E2)(W.u.)=39 10, B(M1)(W.u.)=0.00010 4, α=0.241 1
   364.490 5/2+ 69 ps 2     284.305 5 E2 0.0500B(E2)(W.u.)=7.64 24, α=0.0500
5/2+ 69 ps 2     364.489 5 M1+E2-4.34 190.0228B(E2)(W.u.)=27.8 9, B(M1)(W.u.)=0.00030 3, α=0.0228
   404.815 3/2+ 18 ps 3     324.651 25 M1+E2-0.8 70.0331B(E2)(W.u.)=24 +26-24, B(M1)(W.u.)=0.006 5, α=0.0331 4
3/2+ 18 ps 3     404.814 4 M1+E2+1.0 +10-80.0178B(E2)(W.u.)=3.×101 3, B(M1)(W.u.)=0.006 6, α=0.0178 13
   565.19 (1/2,3/2)+ 5.9 ps 11     565.2 2 [M1+E2]0.6 2B(E2)(W.u.)=10 6, B(M1)(W.u.)=0.014 4
   636.990 7/2+ 6.1 ps 5     232.18 15 [E2] 0.098B(E2)(W.u.)=1.52 25, α=0.098
7/2+ 6.1 ps 5     272.498 17 M1+E2-0.38 170.0535B(E2)(W.u.)=1.6 13, B(M1)(W.u.)=0.00124 18, α=0.0535 5
7/2+ 6.1 ps 5     295.8 2 [E1] 0.0108B(E1)(W.u.)=4.1E-7 20, α=0.0108
7/2+ 6.1 ps 5     636.989 4 E2 B(E2)(W.u.)=22.2 19
   666.934 7/2- < 0.5 ns    302.4 2 [E1] 0.0102B(E1)(W.u.)=1.392E-7 3, α=0.0102
7/2- < 0.5 ns    325.789 4 M1+E2-0.23 40.0331B(E2)(W.u.)=0.17 6, B(M1)(W.u.)=0.000511 9, α=0.0331
7/2- < 0.5 ns    503.004 4 E2 B(E2)(W.u.)=0.494532 20
   722.909 5/2+ 0.53 ps 5      85.9 2 [M1,E2] 2.2α=2.2 10
5/2+ 0.53 ps 5     318.088 16 M1+E2-0.11 80.0353B(E2)(W.u.)=4 +6-4, B(M1)(W.u.)=0.047 5, α=0.0353
5/2+ 0.53 ps 5     358.4 2 [M1,E2] 0.0249α=0.0249 10
5/2+ 0.53 ps 5     642.719 5 [E2] B(E2)(W.u.)=25.7 25
5/2+ 0.53 ps 5     722.911 5 M1+E2+0.207 5B(E2)(W.u.)=4.8 5, B(M1)(W.u.)=0.090 9
   971.22 (9/2+)      334.3 2 (M1+E2) 0.0304α=0.0304 7
   973.11 7/2+ 4.9 ps 9     973.0 2 E2 B(E2)(W.u.)=1.6 7
  1113.28 (9/2)-      446.3 2 M1,E2 0.0136α=0.0136 13
  1584.18 (13/2+)      186.9 2 (M1,E2) 0.17α=0.17 3
  1805.3 19/2+ 14 ns 3     189.1 2 E1 0.0360B(E1)(W.u.)=2.4E-6 9, α=0.0360
19/2+ 14 ns 3     204.5 3 E1 0.0291B(E1)(W.u.)≈1.9E-7, α=0.0291
E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityMixing
Ratio		Conversion
Coefficient		Additional Data
  1997.8 (17/2+)      343.6 2 (E2) 0.0273α=0.0273
  2194.3 (23/2+)      389.0 3 (E2) 0.0186α=0.0186
  2249.3 (21/2+)      444.0 3 (M1,E2) 0.0138α=0.0138 13

Back to top

Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
   404.8153/2+ 18 ps 3  Jπ(level): From γ(θ) and γ linear polarization measurements in (α,nγ).
   636.9907/2+ 6.1 ps 5  Jπ(level): From γ(θ) and γ linear polarization measurements in (α,nγ).
  1034.32(5/2)+   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1045.55(13/2)-   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1156.55(11/2)-   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1191.15(11/2-)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1320.25(13/2-)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1456.29(9/2)+   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1584.18(13/2+)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1641.42(11/2+)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1654.22(13/2+)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1721.91(11/2)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1860.7(17/2)-   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  1997.8(17/2+)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  2089.5(19/2)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  2249.3(21/2+)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  2297.1(15/2+)   Jπ(level): From γ(θ), α(K)exp, and decay pattern in (α,nγ), (α,3nγ).
  3088   BE1=1.120 15, BM1=0.101 13
Branching ratio to 565 keV Rexp.1=6.6 20.

Back to top

Additional Gamma Comments:

E(level)E(gamma)Comments
   364.490   284.305I(γ): From Coulomb excitation
   364.489I(γ): From Coulomb excitation
   404.815   324.651I(γ): From β- decay
   404.814I(γ): From β- decay
   565.19   485.0I(γ): From Coulomb excitation
   565.2I(γ): From Coulomb excitation
   636.990   232.18I(γ): From β- decay
   272.498I(γ): From β- decay
   295.8I(γ): From β- decay
   636.989I(γ): From β- decay
   666.934   302.4I(γ): From β- decay
   325.789I(γ): From β- decay
   503.004I(γ): From β- decay
   699.90   295.3I(γ): From Coulomb excitation
   335.4I(γ): From Coulomb excitation
   619.6I(γ): From Coulomb excitation
   699.8I(γ): From Coulomb excitation
   722.909    85.9I(γ): From β- decay
   318.088I(γ): From β- decay
   358.4I(γ): From β- decay
   642.719I(γ): From β- decay
   722.911I(γ): From β- decay
   913.84   549.4I(γ): From Coulomb excitation
   833.6I(γ): From Coulomb excitation
   913.8I(γ): From Coulomb excitation
E(level)E(gamma)Comments

Back to top