ADOPTED LEVELS, GAMMAS for 197Po

Authors: Huang Xiaolong, Zhou Chunmei |  Citation: Nucl. Data Sheets 104, 283 (2005) |  Cutoff date: 1-Jan-2002 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-7.01×103 keV 8S(n)= 7.95×103 keV 6S(p)= 2.64×103 keV 6Q(α)= 6412 keV 4
Reference: 2012WA38

References:
  A  201Rn α decay (7.1 S)  B  201Rn α decay (3.8 S)
  C  (HI,xnγ) 








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0A   (3/2-) 84 s 16 
% ε = 56 7
% α = 44 7
     
   130 Syst. ?A   (5/2-)        
   204 Syst.  BC (13/2+) 32 s 2 
% ε = 16 9
% α = 84 9
% IT = 0.01 SY
     
   687.5 10   C (17/2+)     483.5
  100
[E2]
   204
(13/2+)
  1146.9 15   C (21/2+)     459.4
  100
[E2]
   687.5
(17/2+)
  1686.2 18   C (25/2+)     539.3
  100
[E2]
  1146.9
(21/2+)

Jπ(level): From systematics of the odd-mass polonium isotopes.

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - REGULAR QUADRUPOLE band
   204 Syst.  (13/2+) 32 s 2 
% ε = 16 9
% α = 84 9
% IT = 0.01 SY 		     
   687.5 10  (17/2+)        
  1146.9 15  (21/2+)        
  1686.2 18  (25/2+)     539.3
  100
[E2]
  1146.9
(21/2+)

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Additional Gamma Data:













E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityConversion
Coefficient		Additional Data
   687.5 (17/2+)     483.5[E2]0.0352α=0.0352, α(K)=0.0239 8, α(L)=0.0084 3, α(M)=0.00212 7, α(N+)=0.00071 2
  1146.9 (21/2+)     459.4[E2]0.0399α=0.0399, α(K)=0.0266 8, α(L)=0.0099 3, α(M)=0.00251 8, α(N+)=0.00084 3
  1686.2 (25/2+)     539.3[E2]0.027α=0.027 2, α(K)=0.0192 6, α(L)=0.00602 18

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.0(3/2-) 84 s 16 
% ε = 56 7
% α = 44 7
μ=-0.882 65 (2014Se07), Q=-0.44 20 (2014Se07)
δν(197Po,196Po)=30 GHz 15; δ|4r2|5(197Po,210Po)=-0.657 fm2 13 (2013Se03). The uncertainties are statistical only.
E(level): δν(197Po,196Po)=30 GHz 15; δ|4r2|5(197Po,210Po)=-0.657 fm2 13 (2013Se03). The uncertainties are statistical only.
   130(5/2-)   First 5/2- states in 199Po, 201Po, 203Po occur at 73-, 6.5-, 0.0-keV, respectively.
   204(13/2+) 32 s 2 
% ε = 16 9
% α = 84 9
% IT = 0.01 SY
μ=-1.053 75 (2014Se07), Q=+1.26 45 (2014Se07)
δν(197Po,196Po)=0.12 GHz 15; δ|4r2|5(197Po,210Po)=-0.642 fm2 13 (2013Se03). The uncertainties are statistical only.
E(level): δν(197Po,196Po)=0.12 GHz 15; δ|4r2|5(197Po,210Po)=-0.642 fm2 13 (2013Se03). The uncertainties are statistical only. REGULAR QUADRUPOLE band.
   687.5(17/2+)   E(level): REGULAR QUADRUPOLE band.
  1146.9(21/2+)   E(level): REGULAR QUADRUPOLE band.
  1686.2(25/2+)   E(level): REGULAR QUADRUPOLE band.

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