ADOPTED LEVELS, GAMMAS for 187Bi

Author: M. S. Basunia |  Citation: Nucl. Data Sheets 110, 999 (2009) |  Cutoff date: 1-Nov-2008 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-9.22×103 keV 4S(n)= 1.133×104 keV 7S(p)= -1010 keV 16Q(α)= 7779 keV 4
Reference: 2012WA38

References:
  A  191At α decay (1.7 MS)  B  191At α decay (2.1 MS)
  C  107Ag(83Kr,3nγ), 








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0 BC (9/2-) 37 ms 2 
% α = 100
     
    63 10  B  (7/2-)        
   112 20 A C (1/2+) 0.370 ms 20 
% α = 100
     
   252  C (13/2+) 3.2 µs +76-20    252
  100
[M2(+E3)]
     0.0
(9/2-)
   450  C (17/2+)     198
  100

   252
(13/2+)
   720  C (21/2+)     270
  100

   450
(17/2+)
  1063  C (25/2+)     343
  100

   720
(21/2+)

E(level): From γ-ray energies, assuming ΔE=1 keV for all γ-rays, except otherwise noted.

Jπ(level): From systematics of h9/2 and s1/2 2p-1h states in odd-A Bi isotopes and Band assignment.

E(γ): From 107Ag(83Kr,3nγ)

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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 i13/2 band (tentative)
   252 (13/2+) 3.2 µs +76-20       
   450 (17/2+)        
   720 (21/2+)        
  1063 (25/2+)     343
  100

   720
(21/2+)

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
   252(13/2+) 3.2 µs +76-20  E(level): π i13/2 band (tentative).
   450(17/2+)   E(level): π i13/2 band (tentative).
   720(21/2+)   E(level): π i13/2 band (tentative).
  1063(25/2+)   E(level): π i13/2 band (tentative).

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Additional Gamma Comments:

E(level)E(gamma)Comments
   252   252M(γ): From characteristics of the low energy M2 transitions for isomeric states in this mass region.

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