ADOPTED LEVELS, GAMMAS for 148Ba

Author: N. Nica |  Citation: Nucl. Data Sheets 117, 1 (2014) |  Cutoff date: 1-Oct-2013 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=5110 keV 60S(n)= 5400 keV 70S(p)= 12860 keV 80Q(α)= -3150 keV 60
Reference: 2012WA38

References:
  A  148Cs β- decay  B  248Cm SF decay
  C  252Cf SF decay  D  254Cf SF decay








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0ABCD 0+ 0.612 s 17 
% β- = 100
% β-n = 0.4 3
     
   141.8 1 ABCD 2+      141.8 1 
  100

     0.0
0+
   423.10 15 ABC  4+      281.3 1 
  100
E2
   141.8
2+
   687.2 7 A    1-      545.5
   687.2
   87
  100


   141.8
     0.0
2+
0+
   775.00 23 AB   (3-)      351.9
   633.2 2 
   21
  100


   423.10
   141.8
4+
2+
   807.90 18  BC  6+      384.8 1 
  100
E2
   423.10
4+
   963.20 25  BC  (5-)      540.1 2 
  100
D
   423.10
4+
  1049.2A    2+      626.1
   907.5
  1049.1
   21
   86
  100



   423.10
   141.8
     0.0
4+
2+
0+
  1255.70 20  BC  7-      293.0 3 ?
   447.8 1 
   <6
  100 13 

E1
   963.20
   807.90
(5-)
6+
  1264.70 20  BC  8+      456.8 1 
  100
E2
   807.90
6+
  1644.92 21  BC  9-      380.2 1 
   389.2 2 
  100 14 
   43 14 
E1

  1264.70
  1255.70
8+
7-
  1767.78 22  BC  10+      503.1 1 
  100
E2
  1264.70
8+
  2117.30 25  BC  (11-)      349.5 2 
   472.4 2 
   75 25 
  100 25 
D

  1767.78
  1644.92
10+
9-
  2303.5 3  BC  (12+)      535.7 2 
  100
E2
  1767.78
10+
  2659.3 4 ? B        542.0 2 
  100

  2117.30
(11-)
  2867.0 4 ? B        563.5 2 
  100

  2303.5
(12+)

Jπ(level): From DCO ratios, linear polarization, and γγγ(θ) from 248Cm SF decay data which are in agreement with the γγ(θ), γγγ(θ) from 252Cf SF decay data, and systematics for even-even nuclei with A≈150

M(γ): From 248Cm SF decay dataset based on DCO and linear polarization measurements

Back to top

Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - GS band
     0.0 0+ 0.612 s 17 
% β- = 100
% β-n = 0.4 3
     
   141.8 1  2+      141.8 1 
  100

     0.0
0+
   423.10 15  4+      281.3 1 
  100
E2
   141.8
2+
   807.90 18  6+      384.8 1 
  100
E2
   423.10
4+
  1264.70 20  8+      456.8 1 
  100
E2
   807.90
6+
  1767.78 22  10+      503.1 1 
  100
E2
  1264.70
8+
  2303.5 3  (12+)      535.7 2 
  100
E2
  1767.78
10+
  2867.0 4       563.5 2 
  100

  2303.5
(12+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - octupole band
   687.2 7  1-        
   775.00 23  (3-)      351.9
   633.2 2 
   21
  100


   423.10
   141.8
4+
2+
   963.20 25  (5-)      540.1 2 
  100
D
   423.10
4+
  1255.70 20  7-      293.0 3 ?
   447.8 1 
   <6
  100 13 

E1
   963.20
   807.90
(5-)
6+
  1644.92 21  9-      380.2 1 
   389.2 2 
  100 14 
   43 14 
E1

  1264.70
  1255.70
8+
7-
  2117.30 25  (11-)      349.5 2 
   472.4 2 
   75 25 
  100 25 
D

  1767.78
  1644.92
10+
9-
  2659.3 4       542.0 2 
  100

  2117.30
(11-)

Back to top

Additional Gamma Data:













E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityConversion
Coefficient		Additional Data
   807.90 6+      384.8 1 E20.0209α=0.0209, α(K)=0.01735 25, α(L)=0.00284 4, α(M)=0.000596 9, α(N)=0.0001267 18, α(O)=1.85×10-5 3, α(P)=1.017E-6 15
  1255.70 7-      447.8 1 E10.00421α=0.00421, α(K)=0.00364 5, α(L)=0.000459 7, α(M)=9.40×10-5 14, α(N)=2.02E-5 3, α(O)=3.07E-6 5, α(P)=2.17E-7 3
  1264.70 8+      456.8 1 E20.01269α=0.01269, α(K)=0.01062 15, α(L)=0.001643 23, α(M)=0.000343 5, α(N)=7.31×10-5 11, α(O)=1.079E-5 16, α(P)=6.34E-7 9
  1644.92 9-      380.2 1 E10.00626α=0.00626, α(K)=0.00540 8, α(L)=0.000686 10, α(M)=0.0001405 20, α(N)=3.02×10-5 5, α(O)=4.58E-6 7, α(P)=3.20E-7 5
  1767.78 10+      503.1 1 E20.00969α=0.00969, α(K)=0.00814 12, α(L)=0.001225 18, α(M)=0.000255 4, α(N)=5.45×10-5 8, α(O)=8.08E-6 12, α(P)=4.90E-7 7

Back to top

Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.00+ 0.612 s 17 
% β- = 100
% β-n = 0.4 3
<r2>1/2=4.9773 fm 168 (2004An14).
E(level): GS band.
   141.82+   E(level): GS band.
   423.104+   E(level): GS band.
   687.21-   E(level): octupole band.
   775.00(3-)   E(level): octupole band.
   807.906+   E(level): GS band.
   963.20(5-)   E(level): octupole band.
  1255.707-   E(level): octupole band.
  1264.708+   E(level): GS band.
  1644.929-   E(level): octupole band.
  1767.7810+   E(level): GS band.
  2117.30(11-)   E(level): octupole band.
  2303.5(12+)   E(level): GS band.
  2659.3   E(level): octupole band.
  2867.0   E(level): GS band.

Back to top