ADOPTED LEVELS, GAMMAS for 82Rb

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-)=-178 keV 7S(n)= 8802 keV 6S(p)= 5781 keV 3Q(α)= -5161 keV 5
Reference: 2017WA10

References:
  A  82Sr ε decay  B  79Br(α,nγ)
  C  81Br(α,3nγ)  D  (HI,xnγ)

General Comments:

Production of isomer: 1997Bl02

Theory:

2011Ku12: Signature splitting and signature inversion

2006Pe12: Calculated magnetic rotational band parameters

2006Pe30: calculated level properties

2004Sh18: Calculated band levels, signature inversion

1975Fu11: Theoretical investigation of isomeric shifts

1970Pe22: Levels are discussed within the shell model

Isotopic shift measured by 1981Th04.










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0ABCD 1+ 1.2575 m 2 
% ε = 100
     
    69.0 15  BCD 5- 6.472 h 6 
% ε = 100
% IT < 0.33
     
    88.9 9  B   (2-) 1.66 ns 14      88.9
   100
(E1)
     0
1+
   189.6 12  B   3(-) 0.21 ns 14     100.7
   100

    88.9
(2-)
   192.2 16  BCD 6+ 12.3 ns 6     123.2 3 
   100
E1
    69.0
5-
   210.0 16    D       17.8 2 S
 

   192.2
6+
   225.7 12  B   (2) 0.28 ns 14     136.8
   100

    88.9
(2-)
   244.6 12  B   (3-) 0.35 ns 14     155.6
   100

    88.9
(2-)
   256.2 16  BCD 7(+) < 5 ns     64.5 3 
   100
D
   192.2
6+
   266.9 9  B   (2+)      178.0
   266.9
 
 


    88.9
     0
(2-)
1+
   302.0 16  BCD 8(+) < 5 ns     45.9 3 
   100
D
   256.2
7(+)
   310.2 13  B   (4-)       65.5
   120.6
   242.0
 
 
 



   244.6
   189.6
    69.0
(3-)
3(-)
5-
   340.4 12  B   (3)      114.8
   251.3
 
 


   225.7
    88.9
(2)
(2-)
   394.2 15  B D (6-)      325.2 1 
   100

    69.0
5-
   439.9 15  B   (5-)      130.2
   370.2
 
 


   310.2
    69.0
(4-)
5-
   484.9 15  B D 6-      415.7 1 
   100

    69.0
5-
   534.0 17  B   (4)      139.6
   465.2
 
 


   394.2
    69.0
(6-)
5-
   539.3 16    D (6)      283.0 2 
   100

   256.2
7(+)
   576.1 16    D (5)      383.9 2 
   100

   192.2
6+
   609.1 15  B   (5)      168.9
   299.1
 
 


   439.9
   310.2
(5-)
(4-)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   617.8 16  B        277.4
   100

   340.4
(3)
   661.4 15  B   (5,6)      221.3
   351.3
 
 


   439.9
   310.2
(5-)
(4-)
   691.5 15  B D (7-)      206.6 1 
   296.8 3 
   435.2 3 
   499.2 3 
   622.5 3 
   100 10 
    14 5 
    10 5 
    10 5 
    ≈5
M1+E2
(M1+E2)
(E1)
E1
(E2)
   484.9
   394.2
   256.2
   192.2
    69.0
6-
(6-)
7(+)
6+
5-
   705.2 16    D (6)      129.0 3 
   495.1 3 
   ≈50
  ≈100


   576.1
   210.0
(5)

   734.9 16  B D (7)      433.1 3 
   542.6 2 
    67 33 
   100 33 


   302.0
   192.2
8(+)
6+
   772.6 16    D      233.3 3 
   100

   539.3
(6)
   864.5 16  BCD 9(+) 0.19 ps 5     562.6 1 
   100
M1
   302.0
8(+)
   899.7 16    D (7)      194.4 3 
   707.5 3 
    67 33 
   100 33 


   705.2
   192.2
(6)
6+
  1025.8 16    D (8+)      125.9 3 
   833.6 3 
    43 14 
   100 14 

(E2)
   899.7
   192.2
(7)
6+
  1085.1 16    D (8-)      393.8 2 
   600.9 5 
   100 20 
    80 20 
M1+E2
(E2)
   691.5
   484.9
(7-)
6-
  1211.6 16    D (9+)      186.0 2 
   955.3 3 
    33 17 
   100 17 
(M1+E2)
(E2)
  1025.8
   256.2
(8+)
7(+)
  1282.3 16  BCD (10+) 0.68 ps 6     417.7 2 
   980.4 1 
    13 3 
   100 6 
M1
E2
   864.5
   302.0
9(+)
8(+)
  1357.3 16    D (8-)      666 1 ?
   963.0 2 
  1055.2 5 
    ≈6
   100 11 
    11 6 

E2
(E1)
   691.5
   394.2
   302.0
(7-)
(6-)
8(+)
  1704.3 16    D 10(+)      839.5 2 
   100
M1+E2
   864.5
9(+)
  1734.0 16    D (9-)     1041.8 4 
   100
(E2)
   691.5
(7-)
  1844.3 16    D (9-)      109.8 2 
   759.7 3 
  1543 1 
    20 13 
   100 14 
    29 14 

(M1)
(E1)
  1734.0
  1085.1
   302.0
(9-)
(8-)
8(+)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  1903.3 16   CD 11(+) < 0.38 ps    620.9 2 
  1038.4 3 
   100 8 
    42 8 
M1+E2
E2
  1282.3
   864.5
(10+)
9(+)
  1963.6 16    D 10(+)     1099.0 2 
   100
(M1+E2)
   864.5
9(+)
  2291.7 16    D 11(+)      587.7 3 
   100
M1+E2
  1704.3
10(+)
  2395.8 16    D (10-)      662.6 5 
  1038.6 4 
    40 3 
   100 12 

E2
  1734.0
  1357.3
(9-)
(8-)
  2552.6 16    D 12(+) < 0.62 ps    261.1 3 
   649.5 4 ?
  1270.2 3 
    ≈8
    <8
   100 17 
(M1)
(M1)
E2
  2291.7
  1903.3
  1282.3
11(+)
11(+)
(10+)
  2618.3 16    D (11-)      222.4 2 
   773.0 3 
   885.1 3 
   913.9 3 
   100 17 
   100 17 
    50 17 
    50 17 
(M1+E2)
(E2)
(E2)
(E1)
  2395.8
  1844.3
  1734.0
  1704.3
(10-)
(9-)
(9-)
10(+)
  2710.7 16    D (11-)      865.6 5 
   977.1 3 
    68 8 
   100 25 

(E2)
  1844.3
  1734.0
(9-)
(9-)
  2961.4 16    D     1058.1 4 
   100

  1903.3
11(+)
  3028.9 16    D (12-) 0.40 ps 9     318.0 3 
   410.6 2 
    ≈7
   100 15 
(M1)
M1
  2710.7
  2618.3
(11-)
(11-)
  3043.0 18    D     1139.8 9 
   100

  1903.3
11(+)
  3184.7 16    D 13(+)      632.0 3 
  1281.4 4 
    80 20 
   100 20 
M1+E2
E2
  2552.6
  1903.3
12(+)
11(+)
  3501.7 16    D (13-) 0.41 ps 8     473.1 2 
   883.5 9 
   100 18 
    17 2 
M1

  3028.9
  2618.3
(12-)
(11-)
  3520.5 17    D      559.1 3 
   100

  2961.4

  3651.0 18    D (13-)      940.4 8 
   100

  2710.7
(11-)
  3670.8 16    D     1379.2 1 
   100

  2291.7
11(+)
  4017.1 17    D 14(+)     1464.2 5 
   100
E2
  2552.6
12(+)
  4049.1 16    D (14-) 0.24 ps 5     547.7 3 
  1019.2 6 
   100 25 
    32 3 
M1
[E2]
  3501.7
  3028.9
(13-)
(12-)
  4532.2 17    D (15+)     1347.4 6 
   100

  3184.7
13(+)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  4717.6 16    D (15-) < 0.69 ps    668.5 4 
  1215.8 5 
   100 6 
    63 4 
(M1)

  4049.1
  3501.7
(14-)
(13-)
  5486.0 17    D (16-)      768.8 5 
  1436.2 6 
 
 


  4717.6
  4049.1
(15-)
(14-)
  5590.8 17    D (16+)     1573.7 1 
   100

  4017.1
14(+)
  6013.7 17    D (17+)     1481.5 1 
   100

  4532.2
(15+)

E(level): From least-squares fit to Eγ

Jπ(level): Assignment from (HI,xnγ), based on DCO ratios and band assignments or from (α,xnγ) based on γ(θ), excit, and γ mult, except as noted otherwise.

T1/2(level): Short T1/2 (ps) are from ΔS(a) in (HI,xnγ), others are from γ(t) in 79Br(α,nγ), unless given otherwise.

E(γ): Eγ with uncertainties are from (HI,xnγ) or (α,3nγ), others are from (α,nγ).

I(γ): From (HI,xnγ) or (α,nγ)

M(γ): Mostly from (HI,xnγ). See (α,nγ) for some mult from γ(θ) and excitation functions and parity from linear polarization.

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - π=+, α=0.
   192.2 16  6+ 12.3 ns 6       
   256.2 16  7(+) < 5 ns      
   302.0 16  8(+) < 5 ns     45.9 3 
   100
D
   256.2
7(+)
  1282.3 16  (10+) 0.68 ps 6     417.7 2 
   980.4 1 
    13 3 
   100 6 
M1
E2
   864.5
   302.0
9(+)
8(+)
  2552.6 16  12(+) < 0.62 ps    261.1 3 
   649.5 4 ?
  1270.2 3 
    ≈8
    <8
   100 17 
(M1)
(M1)
E2
  2291.7
  1903.3
  1282.3
11(+)
11(+)
(10+)
  4017.1 17  14(+)     1464.2 5 
   100
E2
  2552.6
12(+)
  5590.8 17  (16+)     1573.7 1 
   100

  4017.1
14(+)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - π=+, α=1.
   864.5 16  9(+) 0.19 ps 5       
  1903.3 16  11(+) < 0.38 ps      
  3184.7 16  13(+)      632.0 3 
  1281.4 4 
    80 20 
   100 20 
M1+E2
E2
  2552.6
  1903.3
12(+)
11(+)
  4532.2 17  (15+)     1347.4 6 
   100

  3184.7
13(+)
  6013.7 17  (17+)     1481.5 1 
   100

  4532.2
(15+)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - MAGNETIC-ROTATIONAL band
  2618.3 16  (11-)        
  3028.9 16  (12-) 0.40 ps 9       
  3501.7 16  (13-) 0.41 ps 8     473.1 2 
   883.5 9 
   100 18 
    17 2 
M1

  3028.9
  2618.3
(12-)
(11-)
  4049.1 16  (14-) 0.24 ps 5     547.7 3 
  1019.2 6 
   100 25 
    32 3 
M1
[E2]
  3501.7
  3028.9
(13-)
(12-)
  4717.6 16  (15-) < 0.69 ps    668.5 4 
  1215.8 5 
   100 6 
    63 4 
(M1)

  4049.1
  3501.7
(14-)
(13-)
  5486.0 17  (16-)      768.8 5 
  1436.2 6 
 
 


  4717.6
  4049.1
(15-)
(14-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - π=- band
   394.2 15  (6-)        
  1357.3 16  (8-)        
  2395.8 16  (10-)      662.6 5 
  1038.6 4 
    40 3 
   100 12 

E2
  1734.0
  1357.3
(9-)
(8-)

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Additional Gamma Data:













E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
    88.9 (2-) 1.66 ns 14      88.9(E1)0.1356B(E1)(W.u.)=0.000271 25, α=0.1356, α(K)=0.1200 17, α(L)=0.01318 19, α(M)=0.00216 3, α(N)=0.000238 4, α(O)=9.39E-6 14
   192.2 6+ 12.3 ns 6     123.2 3 E10.0517B(E1)(W.u.)=1.48E-5 8, α=0.0517 9, α(K)=0.0458 8, α(L)=0.00499 8, α(M)=0.000817 13, α(N)=9.09E-5 15, α(O)=3.68E-6 6
   691.5 (7-)      206.6 1 M1+E20.044α=0.044 24, α(K)=0.039 21, α(L)=0.0047 27, α(M)=7.7×10-4 44, α(N)=8.5E-5 47, α(O)=3.2E-6 16
(7-)      296.8 3 (M1+E2)0.0136α=0.0136 53, α(K)=0.0119 46, α(L)=0.00137 57, α(M)=2.27×10-4 94, α(N)=2.5E-5 10, α(O)=1.01E-6 36
(7-)      435.2 3 (E1)1.48×10-3α=1.48×10-3, α(K)=0.001313 19, α(L)=0.0001408 20, α(M)=2.32E-5 4, α(N)=2.62E-6 4, α(O)=1.121E-7 16
(7-)      499.2 3 E11.05×10-3α=1.05×10-3, α(K)=0.000933 14, α(L)=9.98E-5 14, α(M)=1.643E-5 24, α(N)=1.86E-6 3, α(O)=7.99E-8 12
(7-)      622.5 3 (E2)0.00181α=0.00181, α(K)=0.001598 23, α(L)=0.0001765 25, α(M)=2.91×10-5 4, α(N)=3.27E-6 5, α(O)=1.372E-7 20
   864.5 9(+) 0.19 ps 5     562.6 1 M10.00181B(M1)(W.u.)=0.65 17, α=0.00181, α(K)=0.001602 23, α(L)=0.0001728 25, α(M)=2.85×10-5 4, α(N)=3.24E-6 5, α(O)=1.410E-7 20
  1025.8 (8+)      833.6 3 (E2)8.32×10-4α=8.32×10-4, α(K)=0.000737 11, α(L)=8.02E-5 12, α(M)=1.321E-5 19, α(N)=1.493E-6 21, α(O)=6.37E-8 9
  1085.1 (8-)      393.8 2 M1+E20.0057α=0.0057 16, α(K)=0.0051 14, α(L)=5.7×10-4 17, α(M)=9.3E-5 28, α(N)=1.05E-5 30, α(O)=4.3E-7 11
(8-)      600.9 5 (E2)0.00200α=0.00200, α(K)=0.00177 3, α(L)=0.000195 3, α(M)=3.22×10-5 5, α(N)=3.62E-6 6, α(O)=1.514E-7 22
  1211.6 (9+)      186.0 2 (M1+E2)0.063α=0.063 36, α(K)=0.055 32, α(L)=0.0068 42, α(M)=0.00112 68, α(N)=1.22×10-4 73, α(O)=4.5E-6 24
(9+)      955.3 3 (E2)5.97×10-4α=5.97×10-4, α(K)=0.000529 8, α(L)=5.72E-5 8, α(M)=9.43E-6 14, α(N)=1.067E-6 15, α(O)=4.58E-8 7
  1282.3 (10+) 0.68 ps 6     417.7 2 M10.00362B(M1)(W.u.)=0.051 13, α=0.00362, α(K)=0.00321 5, α(L)=0.000349 5, α(M)=5.76×10-5 8, α(N)=6.54E-6 10, α(O)=2.83E-7 4
(10+) 0.68 ps 6     980.4 1 E25.61×10-4B(E2)(W.u.)=38 5, α=5.61E-4, α(K)=0.000498 7, α(L)=5.38E-5 8, α(M)=8.86E-6 13, α(N)=1.003E-6 14, α(O)=4.31E-8 6
  1357.3 (8-)      963.0 2 E25.86×10-4α=5.86×10-4, α(K)=0.000519 8, α(L)=5.61E-5 8, α(M)=9.25E-6 13, α(N)=1.047E-6 15, α(O)=4.50E-8 7
(8-)     1055.2 5 (E1)2.08×10-4α=2.08×10-4, α(K)=0.000185 3, α(L)=1.96E-5 3, α(M)=3.23E-6 5, α(N)=3.67E-7 6, α(O)=1.598E-8 23
  1704.3 10(+)      839.5 2 M1+E20.00078α=0.00078 4, α(K)=0.00069 4, α(L)=7.5×10-5 5, α(M)=1.23E-5 7, α(N)=1.39E-6 8, α(O)=6.0E-8 3
  1734.0 (9-)     1041.8 4 (E2)4.88×10-4α=4.88×10-4, α(K)=0.000432 6, α(L)=4.66E-5 7, α(M)=7.68E-6 11, α(N)=8.70E-7 13, α(O)=3.75E-8 6
  1844.3 (9-)      759.7 3 (M1)9.21×10-4α=9.21×10-4, α(K)=0.000817 12, α(L)=8.76E-5 13, α(M)=1.445E-5 21, α(N)=1.643E-6 23, α(O)=7.18E-8 10
(9-)     1543 1 (E1)3.88×10-4α=3.88×10-4, α(K)=9.51E-5 14, α(L)=1.001E-5 14, α(M)=1.649E-6 24, α(N)=1.88E-7 3, α(O)=8.21E-9 12
  1903.3 11(+) < 0.38 ps    620.9 2 M1+E20.00163α=0.00163 19, α(K)=0.00144 17, α(L)=0.000158 21, α(M)=2.6×10-5 4, α(N)=2.9E-6 4, α(O)=1.25E-7 13
11(+) < 0.38 ps   1038.4 3 E24.91×10-4B(E2)(W.u.)>17, α=4.91E-4, α(K)=0.000436 7, α(L)=4.70E-5 7, α(M)=7.74E-6 11, α(N)=8.77E-7 13, α(O)=3.78E-8 6
  1963.6 10(+)     1099.0 2 (M1+E2)4.25×10-4α=4.25×10-4 9, α(K)=0.000377 8, α(L)=4.04E-5 10, α(M)=6.66E-6 16, α(N)=7.57E-7 17, α(O)=3.29E-8 6
  2291.7 11(+)      587.7 3 M1+E20.00188α=0.00188 25, α(K)=0.00167 22, α(L)=0.00018 3, α(M)=3.0×10-5 5, α(N)=3.4E-6 5, α(O)=1.44E-7 17
E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
  2395.8 (10-)     1038.6 4 E24.91×10-4α=4.91×10-4, α(K)=0.000435 7, α(L)=4.69E-5 7, α(M)=7.74E-6 11, α(N)=8.76E-7 13, α(O)=3.78E-8 6
  2552.6 12(+) < 0.62 ps    261.1 3 (M1)0.01146B(M1)(W.u.)>0.14, α=0.01146, α(K)=0.01014 15, α(L)=0.001116 16, α(M)=0.000184 3, α(N)=2.09×10-5 3, α(O)=8.99E-7 13
12(+) < 0.62 ps    649.5 4 (M1)1.30×10-3B(M1)(W.u.)>0.0046, α=1.30×10-3, α(K)=0.001157 17, α(L)=0.0001244 18, α(M)=2.05E-5 3, α(N)=2.33E-6 4, α(O)=1.017E-7 15
12(+) < 0.62 ps   1270.2 3 E23.36×10-4B(E2)(W.u.)>12, α=3.36E-4, α(K)=0.000279 4, α(L)=2.99E-5 5, α(M)=4.93E-6 7, α(N)=5.59E-7 8, α(O)=2.43E-8 4
  2618.3 (11-)      222.4 2 (M1+E2)0.035α=0.035 18, α(K)=0.030 16, α(L)=0.0036 20, α(M)=6.0×10-4 32, α(N)=6.6E-5 35, α(O)=2.5E-6 12
(11-)      773.0 3 (E2)1.01×10-3α=1.01×10-3, α(K)=0.000892 13, α(L)=9.74E-5 14, α(M)=1.606E-5 23, α(N)=1.81E-6 3, α(O)=7.71E-8 11
(11-)      885.1 3 (E2)7.17×10-4α=7.17×10-4, α(K)=0.000635 9, α(L)=6.89E-5 10, α(M)=1.136E-5 16, α(N)=1.285E-6 18, α(O)=5.50E-8 8
(11-)      913.9 3 (E1)2.75×10-4α=2.75×10-4, α(K)=0.000245 4, α(L)=2.59E-5 4, α(M)=4.27E-6 6, α(N)=4.85E-7 7, α(O)=2.11E-8 3
  2710.7 (11-)      977.1 3 (E2)5.66×10-4α=5.66×10-4, α(K)=0.000502 7, α(L)=5.42E-5 8, α(M)=8.93E-6 13, α(N)=1.011E-6 15, α(O)=4.35E-8 6
  3028.9 (12-) 0.40 ps 9     318.0 3 (M1)0.00702α=0.00702, α(K)=0.00621 9, α(L)=0.000680 10, α(M)=0.0001123 16, α(N)=1.273×10-5 18, α(O)=5.49E-7 8
(12-) 0.40 ps 9     410.6 2 M10.00378B(M1)(W.u.)=0.74 23, α=0.00378, α(K)=0.00334 5, α(L)=0.000364 6, α(M)=6.00×10-5 9, α(N)=6.81E-6 10, α(O)=2.95E-7 5
  3184.7 13(+)      632.0 3 M1+E20.00156α=0.00156 18, α(K)=0.00138 16, α(L)=0.000151 19, α(M)=2.5×10-5 3, α(N)=2.8E-6 4, α(O)=1.20E-7 12
13(+)     1281.4 4 E23.32×10-4α=3.32×10-4, α(K)=0.000274 4, α(L)=2.94E-5 5, α(M)=4.84E-6 7, α(N)=5.49E-7 8, α(O)=2.38E-8 4
  3501.7 (13-) 0.41 ps 8     473.1 2 M10.00270B(M1)(W.u.)=0.43 14, α=0.00270, α(K)=0.00239 4, α(L)=0.000259 4, α(M)=4.28×10-5 6, α(N)=4.86E-6 7, α(O)=2.11E-7 3
  4017.1 14(+)     1464.2 5 E23.06×10-4α=3.06×10-4, α(K)=0.000208 3, α(L)=2.22E-5 4, α(M)=3.66E-6 6, α(N)=4.15E-7 6, α(O)=1.81E-8 3
  4049.1 (14-) 0.24 ps 5     547.7 3 M10.00192B(M1)(W.u.)=0.42 16, α=0.00192, α(K)=0.001704 24, α(L)=0.000184 3, α(M)=3.03×10-5 5, α(N)=3.45E-6 5, α(O)=1.500E-7 21
(14-) 0.24 ps 5    1019.2 6 [E2]5.13×10-4B(E2)(W.u.)=25 8, α=5.13E-4, α(K)=0.000455 7, α(L)=4.90E-5 7, α(M)=8.08E-6 12, α(N)=9.16E-7 13, α(O)=3.94E-8 6
  4717.6 (15-) < 0.69 ps    668.5 4 (M1)1.22×10-3B(M1)(W.u.)>0.065, α=1.22×10-3, α(K)=0.001085 16, α(L)=0.0001166 17, α(M)=1.92E-5 3, α(N)=2.19E-6 3, α(O)=9.53E-8 14

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
    69.05- 6.472 h 6 
% ε = 100
% IT < 0.33
μ=+1.5100082 2 (2014StZZ), Q=+1.2 3 (2016St14)
See 1991Ko24 for production of 82Rb via the 82Kr(p,n) process at a low energy cyclotron.
E(level): See 1991Ko24 for production of 82Rb via the 82Kr(p,n) process at a low energy cyclotron.
   192.26+ 12.3 ns 6  μ=+4.02 5 (2014StZZ)
μ,T1/2 from γ(θ,H,t) (1996Io01). Isomer produced in 79Br(4He,n), 81Br(3He,2n). Other T1/2=13.9 ns 21 (1991Do05) in (α,nγ).
E(level): π=+, α=0.
Jπ(level): Spin from dipole γ cascade in (HI,xnγ); positive parity from systematics, except for the 6+ state, where π is determined by E1 γ to 5-.
   244.6(3-) 0.35 ns 14  Jπ(level): From γ(θ) of decay γ and excitation functions in (α,xnγ) (1991Do05).
   256.27(+) < 5 ns E(level): π=+, α=0.
Jπ(level): Spin from dipole γ cascade in (HI,xnγ); positive parity from systematics, except for the 6+ state, where π is determined by E1 γ to 5-.
   302.08(+) < 5 ns E(level): π=+, α=0.
Jπ(level): Spin from dipole γ cascade in (HI,xnγ); positive parity from systematics, except for the 6+ state, where π is determined by E1 γ to 5-.
   310.2(4-)   Jπ(level): From γ(θ) of decay γ and excitation functions in (α,xnγ) (1991Do05).
   394.2(6-)   E(level): Weak transition. π=- band.
   439.9(5-)   Jπ(level): From γ(θ) of decay γ and excitation functions in (α,xnγ) (1991Do05).
   864.59(+) 0.19 ps 5  E(level): π=+, α=1.
Jπ(level): Spin from dipole γ cascade in (HI,xnγ); positive parity from systematics, except for the 6+ state, where π is determined by E1 γ to 5-.
  1282.3(10+) 0.68 ps 6  E(level): π=+, α=0.
Jπ(level): Spin from dipole γ cascade in (HI,xnγ); positive parity from systematics, except for the 6+ state, where π is determined by E1 γ to 5-.
  1357.3(8-)   E(level): Weak transition. π=- band.
  1903.311(+) < 0.38 ps E(level): π=+, α=1.
  2395.8(10-)   E(level): Weak transition. π=- band.
  2552.612(+) < 0.62 ps E(level): π=+, α=0.
  2618.3(11-)   E(level): MAGNETIC-ROTATIONAL band.
  3028.9(12-) 0.40 ps 9  μ=+13 3 (2014StZZ)
E(level): MAGNETIC-ROTATIONAL band.
  3184.713(+)   E(level): π=+, α=1.
  3501.7(13-) 0.41 ps 8  μ=+13 3 (2014StZZ)
E(level): MAGNETIC-ROTATIONAL band.
  4017.114(+)   E(level): π=+, α=0.
  4049.1(14-) 0.24 ps 5  μ=+12 3 (2014StZZ)
E(level): MAGNETIC-ROTATIONAL band.
  4532.2(15+)   E(level): π=+, α=1.
  4717.6(15-) < 0.69 ps μ=+12 3 (2014StZZ)
E(level): MAGNETIC-ROTATIONAL band.
  5486.0(16-)   E(level): MAGNETIC-ROTATIONAL band.
  5590.8(16+)   E(level): π=+, α=0.
  6013.7(17+)   E(level): π=+, α=1.

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Additional Gamma Comments:

E(level)E(gamma)Comments
    88.9    88.9M(γ): RUL and systematics of 2- to 1+ transitions in 78,80Br (1991Do05)
   192.2   123.2M(γ): Mult from γ(θ) and excitation functions; parity from linear polarization in (α,nγ).
   256.2    64.5M(γ): expected M1 (1999Do02)
   302.0    45.9M(γ): expected M1 (1999Do02)
   534.0   465.2E(γ): Weak transition
   609.1   168.9E(γ): Weak transition
   661.4   351.3E(γ): Weak transition
   691.5   622.5E(γ): Weak transition
  1085.1   600.9M(γ): from level placement; M1+E2 from DCO ratio.

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