ADOPTED LEVELS for 34Na
Authors: Ninel Nica, Balraj Singh | Citation: Nucl. Data Sheets 113, 1563 (2012) | Cutoff date: 28-May-2012
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=2.30×104 keV SY | S(n)= 8.E2 keV SY | S(p)= 2.20×104 keV SY | Q(α)= -1.92×104 keV SY | ||
| Reference: 2012WA38 |
| E(level) (keV) | T1/2(level) |
| 0 | 5.5 ms 10 % β- = 100 % β-n ≈ 15 % β-2n ≈ 50 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | 5.5 ms 10 % β- = 100 % β-n ≈ 15 % β-2n ≈ 50 | %β-n and %β-2n estimated by 2003Au02 (also 2011AuZY) evaluation from measured %β-n+%β-2n=115 20 (1984La03). Calculated %β-n=32, %β-2n=20 (1997Mo25). |
1978De39, 1979De02, 1984La03, 1984Gu19: 34Na produced and identified in In(p,X) reaction at 10 GeV, CERN-ISOLDE facility. Measured half-life, γ and β radiations.
1997Ha11: U(p,X) at 1 GeV, REX-ISOLDE facility, measured yield.
Structure calculations (binding energies, deformation, quadrupole moments, radii, levels, Jπ, etc.): 2004Ge02, 2004Kh16, 2004Lu10, 1991Pa19, 1989Ly01, 1975Ca27
No details of 34Ne decay to 34Na are available. The possible beta-delayed neutron precursors 35Ne and 36Ne are not known experimentally.
This nuclide is of possible relevance to "island of inversion " near n=20.
Q-value: Note: Current evaluation has used the following Q record 22728 syst 750 syst 21997 syst -19536 syst 2011AuZZ
Q-value: ΔQ-=511, ΔS(n)=ΔS(p)=ΔQ(α)=780 (syst,2011AuZZ)
Q-value: Q(β-n)=18270 504, S(2n)=3663 517 (syst,2011AuZZ). S(2p)=47960 (calculated, 1997Mo25)
Q-value: Values in 2003Au03 (from syst): Q(β-)=23950 930, S(n)=200 200, S(p)=20530 1200, Q(α)=-18570 1080, Q(β-n)=19800 900, S(2n)=2450 970