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 44 | S(n)= -1.56×103 keV 15 | ||||
| Reference: 2017Wa10,2018LE18 |
| References: | |||
| A | 12C(22N,19BN) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) |
| 0 | A | (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 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | (1-,2-) | < 500 keV % n = 100 | Erel.(n+19B) (MeV)=1.56 15. |
| 0.94E3 | (1-,2-) | 0.9 MeV 3 % n ≈ 100 | Erel.(n+19B) (MeV)=2.50 9. |
| 3.30E3 | (0-,3-) | < 500 keV % n ≈ 100 | Erel.(n+19B) (MeV)=4.86 25. |
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.