ADOPTED LEVELS for 20B

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

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=3.190×104 keV 44S(n)= -1.56×103 keV 15
Reference: 2017Wa10,2018LE18

References:
  A  12C(22N,19BN) 

General Comments:

Predictions on the mass (2006Ko02, 2009Pa46, 2012Yu07, 2017Wa10) and excited states (1992Wa22) of 20B are given in the literature. Notably, (2017Wa10) had predicted ΔM=68.45 MeV 80.






E(level)
(keV)
XREFJπ(level) T1/2(level)
  0A (1-,2-) < 500 keV
% n = 100
  0.94E3 17 A (1-,2-) 0.9 MeV 3 
% n ≈ 100
  3.30E3 30 A (0-,3-) < 500 keV
% n ≈ 100

E(level): Eg.s. from Eres(19C+n)=1.56 MeV 15.

Jπ(level): From shell model systematics

T1/2(level): LABEL=Γ

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments

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