ADOPTED LEVELS, GAMMAS for 214Bi

Authors: Shaofei Zhu and E. A. Mccutchan |  Citation: Nucl. Data Sheets 175, 1 (2021) |  Cutoff date: 1-May-2021 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=3269 keV 11S(n)= 4040 keV 12S(p)= 5286 keV 13Q(α)= 5621 keV 3
Reference: 2021WA16

References:
  A  218At α decay  B  214Pb β- decay

General Comments:

214Bi (RaC) was first identified as a descendent of 226Ra decay chain, by Rutherford and Barnes (1904Ru04) in a study of radiations from radium (226Ra), as reviewed in article 2013Fr04.

Q-value: S(2n)=9225 11; S(2p)=14230 (syst) 200 (2021Wa16 )










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
    0.0AB 1- 19.71 m 2 
% β- = 99.9790 13
% α = 0.0210 13
     
   53.2260 15 AB 2- ≤ 15 ps    53.2256 16 
  100
M1+E2
    0.0
1-
   62.68 5 AB (2-,3-)       9.5S
  100

   53.2260
2-
  101 5 A  (3-,4-)        
  258.869 24  B (2)-     196.20 5 
  205.68 9 
  258.86 4 
   12.8 17 
    2.1 3 
  100.0 8 


M1
   62.68
   53.2260
    0.0
(2-,3-)
2-
1-
  295.2236 19  B 1- ≤ 0.05 ns   241.995 4 
  295.224 2 
   39.32 12 
  100.0 4 
M1+E2
M1+E2
   53.2260
    0.0
2-
1-
  351.9323 21  B 0-,1- ≤ 0.10 ns   351.9320 21 
  100
M1+E2
    0.0
1-
  377.03 4  B (2-)     314.32 7 
  323.83 4 
  100 12 
   38 5 


   62.68
   53.2260
(2-,3-)
2-
  533.672 14  B (1-)     274.80 5 
  480.43 2 
  533.66 2 
   99.7 24 
  100.0 13 
   54 3 
M1
M1

  258.869
   53.2260
    0.0
(2)-
2-
1-
  539 30    > 93 s      
  797.30 8 ? B     538.43 8 ?
  100

  258.869
(2)-
  838.994 22  B 1+     305.26 3 
  462.01 7 
  487.11 7 
  543.82 7 
  580.13 3 
  785.96 9 
  839.06 9 
    3.00 21 
   20.0 6 
   40.9 5 
    4.7 9 
   34.8 5 
  100 7 
   54.8 10 


(E1)

(E1)
E1
(E1)
  533.672
  377.03
  351.9323
  295.2236
  258.869
   53.2260
    0.0
(1-)
(2-)
0-,1-
1-
(2)-
2-
1-
  888.03 10 ? B     511.00 9 ?
  100

  377.03
(2-)

E(level): From a least square fit to Eγ’s, except where noted.

T1/2(level): Half-lives of excited states were measured in 214Pb β- decay.

Back to top

Back to top

Additional Gamma Data:















E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
   53.2260 2- ≤ 15 ps    53.2256 16 M1+E20.038 +26-1812.20B(M1)(W.u.)>0.73, α=12.20 35, α(L)=9.32 26, α(M)=2.20 7, α(N)=0.562 17, α(O)=0.1146 32, α(P)=0.01356 27
  258.869 (2)-     258.86 4 M1 0.696α=0.696 10, α(K)=0.567 8, α(L)=0.0983 14, α(M)=0.02310 32, α(N)=0.00591 8, α(O)=0.001207 17, α(P)=0.0001437 20
  295.2236 1- ≤ 0.05 ns   241.995 4 M1+E20.50 +8-70.718B(E2)(W.u.)>5.0, B(M1)(W.u.)>0.0043, α=0.718 33, α(K)=0.568 31, α(L)=0.1138 20, α(M)=0.0272 4, α(N)=0.00696 11, α(O)=0.001402 24, α(P)=0.000159 4
1- ≤ 0.05 ns   295.224 2 M1+E20.39 70.438B(E2)(W.u.)>2.9, B(M1)(W.u.)>0.0067, α=0.438 16, α(K)=0.352 15, α(L)=0.0650 14, α(M)=0.01541 30, α(N)=0.00394 8, α(O)=0.000800 17, α(P)=9.30E-5 26
  351.9323 0-,1- ≤ 0.10 ns   351.9320 21 M1+E20.49 100.257B(E2)(W.u.)>1.4, B(M1)(W.u.)>0.0030, α=0.257 15, α(K)=0.207 13, α(L)=0.0384 14, α(M)=0.00911 30, α(N)=0.00233 8, α(O)=0.000472 17, α(P)=5.47E-5 25
  533.672 (1-)     274.80 5 M1 0.590α=0.590 8, α(K)=0.481 7, α(L)=0.0833 12, α(M)=0.01957 27, α(N)=0.00501 7, α(O)=0.001023 14, α(P)=0.0001218 17
(1-)     480.43 2 M1 0.1303α=0.1303 18, α(K)=0.1066 15, α(L)=0.01818 25, α(M)=0.00427 6, α(N)=0.001091 15, α(O)=0.0002230 31, α(P)=2.66×10-5 4
  838.994 1+     487.11 7 (E1) 0.01046α=0.01046 15, α(K)=0.00863 12, α(L)=0.001406 20, α(M)=0.000328 5, α(N)=8.33×10-5 12, α(O)=1.676E-5 23, α(P)=1.909E-6 27
1+     580.13 3 (E1) 0.00732α=0.00732 10, α(K)=0.00605 8, α(L)=0.000970 14, α(M)=0.0002257 32, α(N)=5.74×10-5 8, α(O)=1.158E-5 16, α(P)=1.331E-6 19
1+     785.96 9 E1 0.00406α=0.00406 6, α(K)=0.00337 5, α(L)=0.000527 7, α(M)=0.0001222 17, α(N)=3.11×10-5 4, α(O)=6.30E-6 9, α(P)=7.35E-7 10
1+     839.06 9 (E1) 0.00359α=0.00359 5, α(K)=0.00299 4, α(L)=0.000465 7, α(M)=0.0001077 15, α(N)=2.74×10-5 4, α(O)=5.56E-6 8, α(P)=6.49E-7 9

Back to top

Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments

Back to top

Additional Gamma Comments:

E(level)E(gamma)Comments

Back to top