ADOPTED LEVELS, GAMMAS for 82Br

Authors: J. K. Tuli, E. Browne |  Citation: Nucl. Data Sheets 157, 260 (2019) |  Cutoff date: 1-Mar-2019 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=3093.1 keV 10S(n)= 7592.94 keV 12S(p)= 8398.6 keV 14Q(α)= -7107 keV 10
Reference: 2017WA10

References:
  A  82Br IT decay  B  82Se(p,n)
  C  81Br(n,γ) E=THERMAL  D  82Se(p,nγ)
  E  81Br(d,p)  F  80Se(α,pnγ), 82Se(d,2nγ)
  G  81Br(n,γ) E=RES: 0.88 EV  H  82Se(3He,t)

General Comments:

Production cross sections:

p on Pb (2001Gl05,1997AlZU,1996AlZX),

p on 241Am (2000AdZT),

p on Rb (1998Gi16)

NMR of 82Br in Co: 1999Se07, 1998Se09

Calculations, Theory:

Possible band configurations: 1994Sa12

Sum spectra of β and γ in decay of 82Se: 2017Ej02

First-forbidden G-T transitions: 2017Na01,2011Ra41

Interpretation of level structure: 1978Do06, 1977DoZP (shell model and Nilsson model), 1984Fe01 (collective excitations).

Gammas: Unplaced γ’s are not given here, see (n,γ), (p,nγ)










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0A CDEFG  5- 35.282 h 7 
% β- = 100
     
    45.9492 10 ABCD FG  2- 6.13 m 5 
% IT = 97.6 3
% β- = 2.4 3
    45.949 1 
  100
M3
     0
5-
    75.0621 14  BCDEFGH (1)+ 7.2 ns 8      29.113 1 
  100
E1
    45.9492
2-
   290.7807 14  BCDEFG  (3)-      215.75 10 
   244.831 1 
    0.62 21 
  100 4 

(M1)
    75.0621
    45.9492
(1)+
2-
   362.8011 21  BCDEFGH (2)+       72.028 23 
   287.738 2 
    0.42 18 
  100 4 

(M1)
   290.7807
    75.0621
(3)-
(1)+
   376.70 9     EF   (6)- < 0.2 ns    376.7 1 
  100
M1+E2
     0
5-
   420.0682 16  BCD FGH (2)       57.267 3 
   345.006 1 
   374.118 4 
    2.7 3 
  100 6 
   11.2 11 

D(+Q)

   362.8011
    75.0621
    45.9492
(2)+
(1)+
2-
   475.4248 17  BCDEF   (4)-      184.644 1 
  100
M1
   290.7807
(3)-
   540.9890 23  BCD F H (2+,3+)      178.16 3 
   250.208 2 
   495.036 6 
    2.9 14 
   61 4 
  100 29 

(E1)
(E1)
   362.8011
   290.7807
    45.9492
(2)+
(3)-
2-
   627.2365 23   CD F   (2,3+)      151.803 10 
   264.435 1 
   336.35 16 
   552.150 27 
   581.300 15 
    5.2 9 
  100 4 
    3.0 13 
   14 3 
   27.8 17 

D



   475.4248
   362.8011
   290.7807
    75.0621
    45.9492
(4)-
(2)+
(3)-
(1)+
2-
   638 8 ? B  E           
   641.1642 25  BCD   H (3+)      221.095 6 
   278.358 5 
   350.384 3 
   566.097 6 
   595.200 18 
   16.8 15 
   27.9 21 
   13.5 18 
  100 15 
   10.9 12 





   420.0682
   362.8011
   290.7807
    75.0621
    45.9492
(2)
(2)+
(3)-
(1)+
2-
   689.249 6  BCD     (1-,2-,3-)      148.21 5 
   643.289 6 
   12.2 24 
  100 27 

(M1)
   540.9890
    45.9492
(2+,3+)
2-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   759.949 3   CD     (1+,2,3+)      118.770 8 
   284.55 12 
   339.882 3 
   397.127 20 
   684.877 12 
    3.5 10 
    4.5 20 
   38 6 
   37 6 
  100 30 


E2+M1


   641.1642
   475.4248
   420.0682
   362.8011
    75.0621
(3+)
(4)-
(2)
(2)+
(1)+
   762.13 7   CD          687.05 11 
   716.18 8 
    6.8 17 
  100 9 


    75.0621
    45.9492
(1)+
2-
   763.714 17  BCDE  H (1)+      400.93 5 
   688.65 3 
   717.71 9 
   65 13 
   17.9 17 
  100 10 



   362.8011
    75.0621
    45.9492
(2)+
(1)+
2-
   792.276 3   C  F   (5)      316.851 2 
   501.46 5 
  100 10 
   21 15 


   475.4248
   290.7807
(4)-
(3)-
   822.811 4  BCD          133.547 10 
   181.54 8 
   402.743 3 
    7.1 20 
    6.1 20 
  100 22 



   689.249
   641.1642
   420.0682
(1-,2-,3-)
(3+)
(2)
   846.689 4  BCDE  H (1+)      205.510 25 
   305.73 12 
   426.625 8 
   483.885 3 
   771.60 15 
    2.1 7 
    2.9 18 
   12.5 29 
  100 14 
   37 5 



D

   641.1642
   540.9890
   420.0682
   362.8011
    75.0621
(3+)
(2+,3+)
(2)
(2)+
(1)+
   886.70 3   C           245.55 10 
   466.634 30 
   45 20 
  100 18 


   641.1642
   420.0682
(3+)
(2)
   910.770 17   CD F   (4,5+)      283.540 22 
   910.74 5 
    4.0 9 
  100 5 

D
   627.2365
     0
(2,3+)
5-
   935.301 14  BCDE         459.875 13 
  100

   475.4248
(4)-
   967.51 9      F   (6)+      590.8 1 
   967.5 1 
   91 5 
  100 5 

E1
   376.70
     0
(6)-
5-
   970.918 12   C E    (2,3+)      207.250 30 
   329.755 15 
   608.12 4 
   680.15 5 
    5.0 12 
   27 4 
  100 44 
   10 3 




   763.714
   641.1642
   362.8011
   290.7807
(1)+
(3+)
(2)+
(3)-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   988.151 5  BCD          346.986 4 
   625.30 4 
  100 14 
   71 18 


   641.1642
   362.8011
(3+)
(2)+
  1007.897 13   CD          932.76 10 
   962.00 22 
  100 8 
   24 5 


    75.0621
    45.9492
(1)+
2-
  1022.470 24  BCD          135.82 10 
   602.41 3 
   947.34 20 
   976.49 4 
    2.4 10 
   13.5 29 
   13.0 24 
  100 3 




   886.70
   420.0682
    75.0621
    45.9492

(2)
(1)+
2-
  1058.981 21  BC      (1,2,3)       88.093 25 
   295.22 3 
   696.14 29 
  1012.96 17 
    4.3 14 
   20 5 
   12 4 
  100 22 




   970.918
   763.714
   362.8011
    45.9492
(2,3+)
(1)+
(2)+
2-
  1068.73 13      F   (7)+ < 0.14 ns    101.2 1 
   692.5 5 
  100 4 
   39 15 
M1
[E1]
   967.51
   376.70
(6)+
(6)-
  1082.854 9  BC           393.600 7 
   455.70 4 
   541.90 4 
  1037.11 15 
   60 15 
   66 13 
   91 32 
  100 13 




   689.249
   627.2365
   540.9890
    45.9492
(1-,2-,3-)
(2,3+)
(2+,3+)
2-
  1093.166 11   CD           85.266 7 
   465.936 11 
   730.35 28 
   802.5 4 
    4.4 12 
  100 9 
   11 3 
    9 3 




  1007.897
   627.2365
   362.8011
   290.7807

(2,3+)
(2)+
(3)-
  1109.794 20  BCD     (1-,2,3)      746.91 13 
  1034.68 8 
  1064.00 24 
   46 5 
  100 7 
   17 3 



   362.8011
    75.0621
    45.9492
(2)+
(1)+
2-
  1139.930 9   C E  H      379.974 10 
   498.779 14 
   50 6 
  100 9 


   759.949
   641.1642
(1+,2,3+)
(3+)
  1155.10 3  BCD          308.420 30 
   391.38 6 
   735.06 12 
  1079.99 9 
    4.1 12 
   13 5 
   32 3 
  100 9 




   846.689
   763.714
   420.0682
    75.0621
(1+)
(1)+
(2)
(1)+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  1179.396 19  BCDE    (2,3)       69.614 20 
    96.54 3 
   419.44 5 
   538.17 5 
   759.36 26 
   816.48 22 
   888.77 26 
  1133.40 21 
    6 3 
    4.6 23 
   36 11 
   25 11 
   37 8 
   57 11 
   34 14 
  100 24 








  1109.794
  1082.854
   759.949
   641.1642
   420.0682
   362.8011
   290.7807
    45.9492
(1-,2,3)

(1+,2,3+)
(3+)
(2)
(2)+
(3)-
2-
  1186.69 6   CD          275.96 8 
   363.80 29 
   895.86 8 
    3.8 19 
    4.4 25 
  100 11 



   910.770
   822.811
   290.7807
(4,5+)

(3)-
  1216.522 13   CD          106.703 25 
   208.625 4 
   228.30 10 
  1141.6 9 
    8 4 
  100 9 
   15 6 
   17 13 




  1109.794
  1007.897
   988.151
    75.0621
(1-,2,3)


(1)+
  1226.542 18   CD          255.65 4 
   315.770 5 
   585.28 7 
   599.33 6 
    3.5 14 
  100 8 
   10 3 
   13 5 

(E1)


   970.918
   910.770
   641.1642
   627.2365
(2,3+)
(4,5+)
(3+)
(2,3+)
  1232.572 25  BCD   H       92.656 30 
   173.58 4 
  1157.46 7 
  1186.52 11 
    4.6 23 
    8 3 
  100 7 
   28 5 




  1139.930
  1058.981
    75.0621
    45.9492

(1,2,3)
(1)+
2-
  1243.59 4   CDE         235.70 4 
   880.75 9 
   32 9 
  100 9 


  1007.897
   362.8011

(2)+
  1261.03 17      F   (8)+ < 0.2 ns    192.3 1 
  100
M1
  1068.73
(7)+
  1276.204 25  BCD     (1,2,3+)      512.490 21 
   856.12 9 
   913.6 4 
  1201.11 10 
  1230.20 15 
  100 16 
   53 4 
    8.6 29 
   57 5 
   34 4 





   763.714
   420.0682
   362.8011
    75.0621
    45.9492
(1)+
(2)
(2)+
(1)+
2-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  1366 B              
  1386 8  B  E  H (+)        
  1432 B              
  1478 B              
  1484 2  B     H 1+        
  1497 4     E    (-)        
  1535 B              
  1548 B              
  1629 B              
  1650 4     E    -        
  1680 2  B     H (2-)        
  1721 B              
  1743 6  B  E    1-,2-        
  1766 2  B     H (2-)        
  1793.8 3      F   (9)+      532.7 2 
  100
M1+E2
  1261.03
(8)+
  1807 6  B  E    -        
  1830 B              
  1866 B              
  1897 B              
  1916 B              
  1942 B              
  1955 4     E  H (-)        
  2026 8     E           
  2087 2        H 1+        
  2112 8     E           
  2136 2        H 1+        
  2213 2     E  H (1+,2-)        
  2243.3 4      F   (10+)      449.5 3 
   983 1 
  100 25 
  ≈83


  1793.8
  1261.03
(9)+
(8)+
  2272 2        H 1+        
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  2317 2        H 1+        
  2351 2        H 1+        
  2498 2        H 1+        
  2543 2        H 3+        
  2712 2        H 1+        
  2801 2        H 1+        
  2876 2        H 1+        
  2940 2        H 1+        
  3028 2        H 1+        
  3062 2        H 1+        
  3097 2        H 3+        
  3172 2        H 1+        
  3256 2        H 1+        
  3296 2        H 1+        
  3333 2        H 1+        
  3420 2        H 1+        
  3455 2        H 1+        
  3507 2        H 3+        
  3579 2        H 1+        
  3623 2        H 1+        
  3688 2        H (1+,2-)        
  3720 2        H 1+        
  3788 2        H 1+        
  3856 2        H 1+        
  3951 2        H 1+        
  4033 2        H 1+        
  4099 2        H 1+        
  4170 2        H 1+        
  4209 2        H 1+        
  4272 2        H 1+        
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  4317 2        H 1+        
  4365 2        H 1+        
  4391 2        H 1+        
  4433 2        H 1+        
  4511 2        H 1+        
  4554 2        H (1+,2-)        
  4601 2        H 1+        
  4632 2        H 1+        
  4689 2        H (1+,2-)        
  4772 2        H 1+        
  4779 2        H 2-        
  4869 2        H 1+        
  4910 2        H 1+        
  4971 2        H 1+        
  5008 2        H 1+        
  5066 2        H 1+        
  5110 2        H 1+        
  5211 2        H 1+        
  5250 2        H 1+        
  5279 2        H 1+        
  5326 2        H 1+        
  5371 2        H 1+        
  5416 2        H 1+        
  5446 2        H 1+        
  5491 2        H 1+        
  5519 2        H 1+        
  5571 2        H 1+        
  5614 2        H 1+        
  5641 2        H 1+        
  5671 2        H 1+        
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  5712 2        H (1+,2-)        
  5727 2        H 1+        
  5761 2        H 1+        
  5810 2        H (1+,2-)        
  5866 2        H 1+        
  5908 2        H 1+        
  5947 2        H 1+        
  9676 2        H        

E(level): Levels with ΔE<1 keV are deduced from the adopted gammas

Jπ(level): 1+ levels are from (3He,t), from angular distribution measurements,unless given otherwise.

T1/2(level): T1/2 limits are taken from center of gravity analysis of γ(t) in 80Se(α,pnγ), 82Se(d,2nγ).

M(γ): From K/L and α(K)exp in (n,γ), and α(K)exp and γ(θ) in (p,nγ), except as noted otherwise.

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - possible π=- COLLECTIVE band.
    45.9492 10  2- 6.13 m 5 
% IT = 97.6 3
% β- = 2.4 3
     
   290.7807 14  (3)-      215.75 10 
   244.831 1 
    0.62 21 
  100 4 

(M1)
    75.0621
    45.9492
(1)+
2-
   475.4248 17  (4)-      184.644 1 
  100
M1
   290.7807
(3)-
   792.276 3  (5)      316.851 2 
   501.46 5 
  100 10 
   21 15 


   475.4248
   290.7807
(4)-
(3)-
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - π=+ SEQUENCE WITH Configuration=((p,G9/2)(n,G9/2)) (1986Fu04)
   967.51 9  (6)+        
  1068.73 13  (7)+ < 0.14 ns    101.2 1 
   692.5 5 
  100 4 
   39 15 
M1
[E1]
   967.51
   376.70
(6)+
(6)-
  1261.03 17  (8)+ < 0.2 ns    192.3 1 
  100
M1
  1068.73
(7)+
  1793.8 3  (9)+      532.7 2 
  100
M1+E2
  1261.03
(8)+
  2243.3 4  (10+)      449.5 3 
   983 1 
  100 25 
  ≈83


  1793.8
  1261.03
(9)+
(8)+

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Additional Gamma Data:















E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
    45.9492 2- 6.13 m 5 
% IT = 97.6 3
% β- = 2.4 3
    45.949 1 M3 400B(M3)(W.u.)=2.86 5, α=400, α(K)=288 4, α(L)=94.6 14, α(M)=15.91 23, α(N)=1.297 19
    75.0621 (1)+ 7.2 ns 8      29.113 1 E1 3.08B(E1)(W.u.)=0.00049 6, α=3.08, α(K)=2.71 4, α(L)=0.315 5, α(M)=0.0490 7, α(N)=0.00420 6
   290.7807 (3)-      244.831 1 (M1) 0.01083α=0.01083, α(K)=0.00962 14, α(L)=0.001039 15, α(M)=0.0001652 24, α(N)=1.540×10-5 22
   362.8011 (2)+      287.738 2 (M1) 0.00724α=0.00724, α(K)=0.00643 9, α(L)=0.000691 10, α(M)=0.0001099 16, α(N)=1.026×10-5 15
   376.70 (6)- < 0.2 ns    376.7 1 M1+E2+0.3 10.00405B(E2)(W.u.)>0.56, B(M1)(W.u.)>0.0018, α=0.00405 21, α(K)=0.00360 19, α(L)=0.000387 21, α(M)=6.1E-5 4, α(N)=5.7E-6 3
   475.4248 (4)-      184.644 1 M1 0.0223α=0.0223, α(K)=0.0198 3, α(L)=0.00215 3, α(M)=0.000342 5, α(N)=3.19×10-5 5
   540.9890 (2+,3+)      250.208 2 (E1) 0.00572α=0.00572, α(K)=0.00509 8, α(L)=0.000538 8, α(M)=8.51×10-5 12, α(N)=7.88E-6 11
(2+,3+)      495.036 6 (E1) 9.22×10-4α=9.22×10-4, α(K)=0.000821 12, α(L)=8.62E-5 12, α(M)=1.366E-5 20, α(N)=1.274E-6 18
   689.249 (1-,2-,3-)      643.289 6 (M1) 1.09×10-3α=1.09×10-3, α(K)=0.000969 14, α(L)=0.0001023 15, α(M)=1.625E-5 23, α(N)=1.523E-6 22
   759.949 (1+,2,3+)      339.882 3 E2+M10.7 GT0.0085α=0.0085 19, α(K)=0.0075 17, α(L)=0.00084 20, α(M)=0.00013 3, α(N)=1.2×10-5 3
   967.51 (6)+      967.5 1 E1 2.10×10-4α=2.10×10-4, α(K)=0.000187 3, α(L)=1.95E-5 3, α(M)=3.09E-6 5, α(N)=2.90E-7 4
  1068.73 (7)+ < 0.14 ns    101.2 1 M1 0.1109B(M1)(W.u.)>0.10, α=0.1109, α(K)=0.0982 14, α(L)=0.01087 16, α(M)=0.001731 25, α(N)=0.0001607 23
(7)+ < 0.14 ns    692.5 5 [E1] 4.21×10-4B(E1)(W.u.)>2.0E-6, α=4.21E-4, α(K)=0.000375 6, α(L)=3.92E-5 6, α(M)=6.21E-6 9, α(N)=5.81E-7 9
  1226.542      315.770 5 (E1) 0.00298α=0.00298, α(K)=0.00266 4, α(L)=0.000280 4, α(M)=4.44×10-5 7, α(N)=4.12E-6 6
  1261.03 (8)+ < 0.2 ns    192.3 1 M1 0.0201B(M1)(W.u.)>0.015, α=0.0201, α(K)=0.0178 3, α(L)=0.00194 3, α(M)=0.000308 5, α(N)=2.87×10-5 4
  1793.8 (9)+      532.7 2 M1+E2-0.14 60.00168α=0.00168 3, α(K)=0.001496 25, α(L)=0.000159 3, α(M)=2.52×10-5 5, α(N)=2.36E-6 4

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
    45.94922- 6.13 m 5 
% IT = 97.6 3
% β- = 2.4 3
E(level): possible π=- COLLECTIVE band.
   290.7807(3)-   E(level): possible π=- COLLECTIVE band.
   376.70(6)- < 0.2 ns Jπ(level): Tentative assignment from γ(θ) and polarization of decay gammas, and Iγ in different reactions (1986Fu04).
   475.4248(4)-   E(level): possible π=- COLLECTIVE band.
   638   Probably not identical to 641 level since L(d,p)=4 on 3/2- target determines π=-.
E(level): Probably not identical to 641 level since L(d,p)=4 on 3/2- target determines π=-.
   763.714(1)+   XREF: E(771).
   792.276(5)   E(level): possible π=- COLLECTIVE band.
Jπ(level): Tentative assignment from γ(θ) and polarization of decay gammas, and Iγ in different reactions (1986Fu04).
   967.51(6)+   E(level): From 80Se(α,pnγ), 82Se(d,2nγ). π=+ SEQUENCE WITH Configuration=((p,G9/2)(n,G9/2)) (1986Fu04).
Jπ(level): Tentative assignment from γ(θ) and polarization of decay gammas, and Iγ in different reactions (1986Fu04).
  1068.73(7)+ < 0.14 ns E(level): From 80Se(α,pnγ), 82Se(d,2nγ). π=+ SEQUENCE WITH Configuration=((p,G9/2)(n,G9/2)) (1986Fu04).
Jπ(level): Tentative assignment from γ(θ) and polarization of decay gammas, and Iγ in different reactions (1986Fu04).
  1082.854   XREF: B(1074).
  1261.03(8)+ < 0.2 ns E(level): From 80Se(α,pnγ), 82Se(d,2nγ). π=+ SEQUENCE WITH Configuration=((p,G9/2)(n,G9/2)) (1986Fu04).
Jπ(level): Tentative assignment from γ(θ) and polarization of decay gammas, and Iγ in different reactions (1986Fu04).
  1386(+)   Jπ(level): From L(d,p).
  1497(-)   Jπ(level): From L(d,p).
  1650-   Jπ(level): From L(d,p).
  17431-,2-   XREF: B(1749).
  1793.8(9)+   E(level): From 80Se(α,pnγ), 82Se(d,2nγ). π=+ SEQUENCE WITH Configuration=((p,G9/2)(n,G9/2)) (1986Fu04).
Jπ(level): Tentative assignment from γ(θ) and polarization of decay gammas, and Iγ in different reactions (1986Fu04).
  1807-   Jπ(level): From L(d,p).
  1955(-)   Jπ(level): From L(d,p).
  2243.3(10+)   E(level): From 80Se(α,pnγ), 82Se(d,2nγ). π=+ SEQUENCE WITH Configuration=((p,G9/2)(n,G9/2)) (1986Fu04).
Jπ(level): Tentative assignment from γ(θ) and polarization of decay gammas, and Iγ in different reactions (1986Fu04).
  9676   IAS.

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