ADOPTED LEVELS for 21B

Authors: J.H. Kelley, G.C. Sheu |  Citation: ENSDF |  Cutoff date: 01-Jan-2019 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=3.274×104 keV 72S(n)= -9.1×102 keV 55
Reference: 2017WA10,2018LE18

References:
  A  9Be(40Ar,X)  B  12C(22C,19B2N)

General Comments:

Predictions on the mass of 21B are given in (2006Ko02, 2012Yu07, 2017Wa10). Notably, (2017Wa10) had predicted ΔM=77.33 MeV 90.






E(level)
(keV)
XREFJπ(level) T1/2(level)
  0 B (3/2-) < 600 keV
% 2n ≈ 100

T1/2(level): LABEL=Γ

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