ADOPTED LEVELS, GAMMAS for 70Br

Authors: G. G~urdal, E.A. Mccutchan |  Citation: Nucl. Data Sheets 136, 1 (2016) |  Cutoff date: 1-Jul-2016 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-10480 keV SYS(n)= 13390 keV 40S(p)= 2280 keV 15Q(α)= -1825 keV SY
Reference: 2012Wa38

References:
  A  70Kr ε decay  B  9Be(71Br,70BrG)
  C  40Ca(36Ar,APNG),(32S,pnγ) 

General Comments:

1978Al23: 58Ni(14N,2n) with E(14N)=44 MeV; plastic scintillation detector used to detect β rays; measured T1/2.

1981Vo04: from 600 MeV proton-irradiated Nb powder target; on-line mass separator; 4π β-detector; measured T1/2 = 2.2 s 2 (from β(t)). Authors compared their measurement with literature value (1978Al23) and suggested isomerism might exist.

1988Bu12: 58Ni(14N,2n) with E(14N)=42.5 MeV; rapid-transport target system with β-ray range telescope; measured T1/2.

2002Lo13: fragmentation of 78Kr beam at 73 MeV/nucleon using LISE/SISSI-α spectrometer at GANIL and identified through ΔE and tof measurements. α four-element Si telescope (ΔE detector, position sensitive detector, double-sided Si strip detector as the implantation device and a Si(Li) detector as a veto for lighter ions). Measured T1/2 from time correlation between ion implantation and β events in the silicon strip detector. Large ΔT1/2 due to the low production rate of 70Br.

2014Ro14: produced by fragmentation of a 78Kr beam on a natural Ni target with E(78Kr)=70 MeV/nucleon. Separated using the LISE3 spectrometer and identified using ΔE-tof measurements. α silicon telescope was used. Measured T1/2 from time correlation between ion implantation and β events in the silicon strip detector.

1999Bo28: using 58Ni(16O,p3nγ) reaction, the gamma rays and level scheme were assigned to 70Br, but in the erratum the authors have retracted the assignment to 70Br.

Q-value: ΔQ(β-)=200; ΔQ(α)= 16 (2012Wa38)

Q-value: S(2n)=29130 310; S(2p)=7109 15 (2012Wa38)










E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
      0.0ABC 0+ 79.1 ms 8 
% ε = 100
     
    933.6 3  BC 2+ 2.74 ps 40     933.6 3 
  100
E2
      0.0
0+
   1336.4 4  BC (3+) 22 ps 10     402.6 3 
  100
D
    933.6
2+
   1657.0 5  BC (5+) 374 ps 83     320.7 3 
  100
E2
   1336.4
(3+)
   1760.4 7   C      424.0 5 
  100

   1336.4
(3+)
   2002.3 4   C 4+      665.7 3 
  1068.8 3 
 
 

E2
   1336.4
    933.6
(3+)
2+
   2292.3 8   C 9+ 2.2 s 2 
% ε = 100
     
   2350.9 5   C (5+)      348.6 4 
   694.0 4 
 
 
D

   2002.3
   1657.0
4+
(5+)
   2677.0 6   C (6+)      326.1 3 
  100
D
   2350.9
(5+)
   2683.0 7   C 7+      390.7 4 
  1026.0 5 
   47 7 
  100 13 

E2
   2292.3
   1657.0
9+
(5+)
   3027.3 8   C (8+)      344.4 5 
   734.8 4 
  100 11 
   76 13 
D

   2683.0
   2292.3
7+
9+
   3098.5 9   C (10+)      806.2 4 
  100
D+Q
   2292.3
9+
   3547.2 8   C 11+     1254.8 3 
  100
E2
   2292.3
9+
   3681.1 8   C (8+)      998.0 5 
  100

   2683.0
7+
   4446.2 9   C (10+)      765.0 4 
  1418.6 7 
  2155.0 12 
   39 7 
  100 9 
   23 4 
E2
E2

   3681.1
   3027.3
   2292.3
(8+)
(8+)
9+
   4531.2 10   C (12+)     1432.6 5 
  100

   3098.5
(10+)
   4884.8 9   C (13+)     1337.6 3 
  100

   3547.2
11+
   5443.3 10   C (12+)      997.1 5 
  100

   4446.2
(10+)
   6050.9 11   C (14+)     1519.7 4 
  100

   4531.2
(12+)
   6487.4 10   C (15+)     1602.6 4 
  100

   4884.8
(13+)
   6787.9 11   C (14+)     1344.6 5 
  100

   5443.3
(12+)
   7659.1 13   C     1608.2 6 
  100

   6050.9
(14+)
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
   7712.4 12   C (16+)     1661.5 5 
  100

   6050.9
(14+)
   8069.8 11   C (17+)     1582.4 4 
  100

   6487.4
(15+)
   8430.7 13   C (16+)     1642.8 6 
  100

   6787.9
(14+)
   9470.4 13   C     1758.0 5 
  100

   7712.4
(16+)
   9507.4 14   C (18+)     1795.0 6 
  100

   7712.4
(16+)
   9782.0 12   C (19+)     1712.2 6 
  100

   8069.8
(17+)
  11667.1 14   C (21+)     1885.0 6 
  100

   9782.0
(19+)
  13786.0 15   C (23+)     2118.9 7 
  100

  11667.1
(21+)
  16157.7 19   C (25+)     2371.7 11 
  100

  13786.0
(23+)
  18662.8 23   C (27+)     2505.0 13 
  100

  16157.7
(25+)
  21411.9 25   C (29+)     2749
  100

  18662.8
(27+)

E(level): From a least-squares fit to Eγ, by evaluators.

Jπ(level): From 40Ca(36Ar,αpnγ),(32S,pnγ) (2002Je07) based on multipolarity determined by DCO ratios and band structure. Additional parenthesis have been added by the evaluators in some cases.

T1/2(level): From RDDS in 9Be(71Br,70Brγ) (2014Ni09), except where noted.

M(γ): From DCO ratios in 40Ca(36Ar,αpnγ),(32S,pnγ). Stretched Q are assumed E2.

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - Configuration=πg9/2~#νg9/2,α=1.
   2292.3 8  9+ 2.2 s 2 
% ε = 100
     
   3547.2 8  11+     1254.8 3 
  100
E2
   2292.3
9+
   4884.8 9  (13+)     1337.6 3 
  100

   3547.2
11+
   6487.4 10  (15+)     1602.6 4 
  100

   4884.8
(13+)
   8069.8 11  (17+)     1582.4 4 
  100

   6487.4
(15+)
   9782.0 12  (19+)     1712.2 6 
  100

   8069.8
(17+)
  11667.1 14  (21+)        
  13786.0 15  (23+)     2118.9 7 
  100

  11667.1
(21+)
  16157.7 19  (25+)     2371.7 11 
  100

  13786.0
(23+)
  18662.8 23  (27+)     2505.0 13 
  100

  16157.7
(25+)
  21411.9 25  (29+)     2749
  100

  18662.8
(27+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - Configuration=πg9/2~#νg9/2,α=0.
   3098.5 9  (10+)        
   4531.2 10  (12+)     1432.6 5 
  100

   3098.5
(10+)
   6050.9 11  (14+)     1519.7 4 
  100

   4531.2
(12+)
   7712.4 12  (16+)     1661.5 5 
  100

   6050.9
(14+)
   9507.4 14  (18+)     1795.0 6 
  100

   7712.4
(16+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - Band based on 3027, (8+) level.
   3027.3 8  (8+)        
   4446.2 9  (10+)      765.0 4 
  1418.6 7 
  2155.0 12 
   39 7 
  100 9 
   23 4 
E2
E2

   3681.1
   3027.3
   2292.3
(8+)
(8+)
9+
   5443.3 10  (12+)      997.1 5 
  100

   4446.2
(10+)
   6787.9 11  (14+)     1344.6 5 
  100

   5443.3
(12+)
   8430.7 13  (16+)     1642.8 6 
  100

   6787.9
(14+)

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Additional Gamma Data:













E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityConversion
Coefficient		Additional Data
    933.6 2+ 2.74 ps 40     933.6 3 E25.38×10-4B(E2)(W.u.)=17.0 25, α=5.38E-4, α(K)=0.000479 7, α(L)=5.07E-5 8, α(M)=8.05E-6 12, α(N)=7.51E-7 11
   1336.4 (3+) 22 ps 10     402.6 3 D0.00320α=0.00320, α(K)=0.00285 4, α(L)=0.000304 5, α(M)=4.83×10-5 7, α(N)=4.52E-6 7
   1657.0 (5+) 374 ps 83     320.7 3 E20.01264B(E2)(W.u.)=26 6, α=0.01264, α(K)=0.01116 16, α(L)=0.001259 19, α(M)=0.000200 3, α(N)=1.81E-5 3
   2002.3 4+     1068.8 3 E23.92×10-4α=3.92×10-4, α(K)=0.000349 5, α(L)=3.68E-5 6, α(M)=5.84E-6 9, α(N)=5.46E-7 8
   2350.9 (5+)      348.6 4 D0.00453α=0.00453, α(K)=0.00402 6, α(L)=0.000430 7, α(M)=6.84×10-5 10, α(N)=6.39E-6 10
   2677.0 (6+)      326.1 3 D0.00532α=0.00532, α(K)=0.00473 7, α(L)=0.000507 8, α(M)=8.06×10-5 12, α(N)=7.53E-6 11
   2683.0 7+     1026.0 5 E24.30×10-4α=4.30×10-4, α(K)=0.000383 6, α(L)=4.05E-5 6, α(M)=6.42E-6 9, α(N)=6.00E-7 9
   3027.3 (8+)      344.4 5 D0.00466α=0.00466, α(K)=0.00414 6, α(L)=0.000443 7, α(M)=7.05×10-5 11, α(N)=6.59E-6 10
   3547.2 11+     1254.8 3 E22.93×10-4α=2.93×10-4, α(K)=0.000245 4, α(L)=2.57E-5 4, α(M)=4.08E-6 6, α(N)=3.82E-7 6
   4446.2 (10+)      765.0 4 E28.87×10-4α=8.87×10-4, α(K)=0.000789 11, α(L)=8.43E-5 12, α(M)=1.337E-5 19, α(N)=1.243E-6 18
(10+)     1418.6 7 E22.70×10-4α=2.70×10-4, α(K)=0.000189 3, α(L)=1.98E-5 3, α(M)=3.14E-6 5, α(N)=2.94E-7 5

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
   2292.39+ 2.2 s 2 
% ε = 100
E(level): Configuration=πg9/2~#νg9/2,α=1.
   3027.3(8+)   E(level): Band based on 3027, (8+) level.
   3098.5(10+)   E(level): Configuration=πg9/2~#νg9/2,α=0.
   3547.211+   E(level): Configuration=πg9/2~#νg9/2,α=1.
   4446.2(10+)   E(level): Band based on 3027, (8+) level.
   4531.2(12+)   E(level): Configuration=πg9/2~#νg9/2,α=0.
   4884.8(13+)   E(level): Configuration=πg9/2~#νg9/2,α=1.
   5443.3(12+)   E(level): Band based on 3027, (8+) level.
   6050.9(14+)   E(level): Configuration=πg9/2~#νg9/2,α=0.
   6487.4(15+)   E(level): Configuration=πg9/2~#νg9/2,α=1.
   6787.9(14+)   E(level): Band based on 3027, (8+) level.
   7712.4(16+)   E(level): Configuration=πg9/2~#νg9/2,α=0.
   8069.8(17+)   E(level): Configuration=πg9/2~#νg9/2,α=1.
   8430.7(16+)   E(level): Band based on 3027, (8+) level.
   9507.4(18+)   E(level): Configuration=πg9/2~#νg9/2,α=0.
   9782.0(19+)   E(level): Configuration=πg9/2~#νg9/2,α=1.
  11667.1(21+)   E(level): Configuration=πg9/2~#νg9/2,α=1.
  13786.0(23+)   E(level): Configuration=πg9/2~#νg9/2,α=1.
  16157.7(25+)   E(level): Configuration=πg9/2~#νg9/2,α=1.
  18662.8(27+)   E(level): Configuration=πg9/2~#νg9/2,α=1.
  21411.9(29+)   E(level): Configuration=πg9/2~#νg9/2,α=1.

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