ADOPTED LEVELS, GAMMAS for 141Xe

Author: N. Nica |  Citation: Nucl. Data Sheets 122, 1 (2014) |  Cutoff date: 1-Jan-2012 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=6280 keV 10S(n)= 3282 keV 4S(p)= 1189×101 keV 18Q(α)= -1318 keV 4
Reference: 2012WA38

References:
  A  141I β- decay  B  248Cm SF decay

General Comments:

Measured yields from different photofission reactions: 2005Ga25, 2005Ga50, 2004Ga60, 2003Ga21, 2000Ga60, 2000Lh02

Theory: 2007Ji14, 2006Ks01

<r2>1/2=4.8823 68 fm (2004An14)

Gammas: All data are from 248Cm SF decay (2000Ur04), unless stated otherwise.









E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
M(γ)Final Levels
     0.0AB 5/2(-) 1.73 s 1 
% β- = 100
% β-n = 0.044 5
    
    35.6 B (7/2-)      35.6
M1+E2
     0.0
5/2(-)
   111.9 B (9/2-)      76.3
  111.9
M1(+E2)
(E2)
    35.6
     0.0
(7/2-)
5/2(-)
   481.5 B (13/2-)     369.6
E2
   111.9
(9/2-)
   552.2 B (11/2-)     516.5

    35.6
(7/2-)
   998.2 B (17/2-)     515.8
E2
   481.5
(13/2-)
  1029.1 B (15/2-)     477.7
  547.6

D
   552.2
   481.5
(11/2-)
(13/2-)
  1155.0 B (13/2+)     602.8
  673.5


   552.2
   481.5
(11/2-)
(13/2-)
  1332.7 B (15/2+)     850.5

   481.5
(13/2-)
  1494.4 B (17/2+)     339.4
  465.3
  497.0



  1155.0
  1029.1
   998.2
(13/2+)
(15/2-)
(17/2-)
  1670.8 B (19/2+)     338.5
  672.6
[E2]
E1
  1332.7
   998.2
(15/2+)
(17/2-)
  1679.1 B (21/2-)     681.8
E2
   998.2
(17/2-)
  1972.9 B (21/2+)     478.5

  1494.4
(17/2+)
  2134.7 B (23/2+)     454.7
  463.9

[E2]
  1679.1
  1670.8
(21/2-)
(19/2+)
  2396.5 B (25/2-)     717.4

  1679.1
(21/2-)
  2574.7 B (25/2+)     601.8

  1972.9
(21/2+)
  2696.7 B (27/2+)     562.0
[E2]
  2134.7
(23/2+)
  3106.7 B (29/2-)     709.2

  2396.5
(25/2-)
  3365.7 B (31/2+)     668.8
[E2]
  2696.7
(27/2+)

Jπ(level): Based on γ-ray multipolarities obtained from γγ(θ), linear pol, and band assignments in 248Cm SF decay

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)M(γ)Final Levels
Band 1 - π=- band. Band built on 9/2-, 111.9 level.
     0.0 5/2(-) 1.73 s 1 
% β- = 100
% β-n = 0.044 5
    
   111.9 (9/2-)      76.3
  111.9
M1(+E2)
(E2)
    35.6
     0.0
(7/2-)
5/2(-)
   481.5 (13/2-)     369.6
E2
   111.9
(9/2-)
   998.2 (17/2-)     515.8
E2
   481.5
(13/2-)
  1679.1 (21/2-)     681.8
E2
   998.2
(17/2-)
  2396.5 (25/2-)     717.4

  1679.1
(21/2-)
  3106.7 (29/2-)     709.2

  2396.5
(25/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)M(γ)Final Levels
Band 2 - simplex=-i.
  1332.7 (15/2+)       
  1670.8 (19/2+)     338.5
  672.6
[E2]
E1
  1332.7
   998.2
(15/2+)
(17/2-)
  2134.7 (23/2+)     454.7
  463.9

[E2]
  1679.1
  1670.8
(21/2-)
(19/2+)
  2696.7 (27/2+)     562.0
[E2]
  2134.7
(23/2+)
  3365.7 (31/2+)     668.8
[E2]
  2696.7
(27/2+)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)M(γ)Final Levels
Band 3 - simplex=+i.
  1155.0 (13/2+)       
  1494.4 (17/2+)     339.4
  465.3
  497.0



  1155.0
  1029.1
   998.2
(13/2+)
(15/2-)
(17/2-)
  1972.9 (21/2+)     478.5

  1494.4
(17/2+)
  2574.7 (25/2+)     601.8

  1972.9
(21/2+)

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Additional Gamma Data:













E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
   111.9 (9/2-)     111.9(E2)1.21α=1.21
   481.5 (13/2-)     369.6E20.0217α=0.0217

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.05/2(-) 1.73 s 1 
% β- = 100
% β-n = 0.044 5
μ=+0.010 4 (2011StZZ,1989Bo03), Q=-0.58 2 (2011StZZ,1989Bo03)
μ and Q deduced from hfs (LASER).
E(level): π=- band. Band built on 9/2-, 111.9 level.
   111.9(9/2-)   E(level): π=- band. Band built on 9/2-, 111.9 level.
   481.5(13/2-)   E(level): π=- band. Band built on 9/2-, 111.9 level.
   998.2(17/2-)   E(level): π=- band. Band built on 9/2-, 111.9 level.
  1155.0(13/2+)   E(level): simplex=+i.
  1332.7(15/2+)   E(level): simplex=-i.
  1494.4(17/2+)   E(level): simplex=+i.
  1670.8(19/2+)   E(level): simplex=-i.
  1679.1(21/2-)   E(level): π=- band. Band built on 9/2-, 111.9 level.
  1972.9(21/2+)   E(level): simplex=+i.
  2134.7(23/2+)   E(level): simplex=-i.
  2396.5(25/2-)   E(level): π=- band. Band built on 9/2-, 111.9 level.
  2574.7(25/2+)   E(level): simplex=+i.
  2696.7(27/2+)   E(level): simplex=-i.
  3106.7(29/2-)   E(level): π=- band. Band built on 9/2-, 111.9 level.
  3365.7(31/2+)   E(level): simplex=-i.

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Additional Gamma Comments:

E(level)E(gamma)Comments
    35.6    35.6M(γ): from α(K)exp=14 1. Other: 15.0 5 (1996Be06)
   111.9    76.3M(γ): from α(exp), γγ(θ)
   111.9M(γ): stretched Q from γγ(θ), most likely E2
   481.5   369.6M(γ): from γγ(θ), lin pol=+0.25 9
   998.2   515.8M(γ): from γγ(θ), lin pol=+0.20 6
  1029.1   547.6M(γ): stretched d from γγ(θ), lin pol=-0.30 15
  1670.8   672.6M(γ): stretched d from γγ(θ), lin pol=+0.30 12
  1679.1   681.8M(γ): from γγ(θ), lin pol=+0.20 10

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