ADOPTED LEVELS, GAMMAS for 216Th
Author: S. -c. Wu | Citation: Nucl. Data Sheets 108, 1057 (2007) | Cutoff date: 1-Mar-2007
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-7.50×103 keV 6 | S(n)= 8694 keV 15 | S(p)= 3021 keV 18 | Q(α)= 8072 keV 5 | ||
Reference: 2012WA38 |
References: | |||
A | (HI,xnγ) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | A | 0+ | 26.0 ms 2 % α = 100 % ε ≈ 0.01 SY | |||||
1478.2 1 | A | 2+ | 1478.2 1 | 100 | E2 | 0.0 | 0+ | |
1687.7 2 | A | 3- | 209.5 1 | 100 | E1 | 1478.2 | 2+ | |
1813.8 2 | A | 4+ | 126.1 1 335 | 100 | E1 E2 | 1687.7 1478.2 | 3- 2+ | |
2013.7 2 | A | 6+ | 199.9 1 | 100 | E2 | 1813.8 | 4+ | |
2040 9 | 8+ | 134 µs 4 % α = 2.8 9 | ||||||
2130.5 2 | A | (8+) | 90.5 3 S | | 2040 | 8+ | ||
2646.8 1 | A | 11- | 0.58 µs 3 | 516.3 2 606.8 1 | 8 2 100 4 | [E3] E3 | 2130.5 2040 | (8+) 8+ |
3530.2 4 | A | (12+) | 883.4 3 | 100 | 2646.8 | 11- | ||
3681.4 7 | A | (14+) | 0.74 µs 7 | 151.2 6 | 100 | E2 | 3530.2 | (12+) |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
1478.2 | 2+ | 1478.2 1 | E2 | 0.00487 | α=0.00487 | |
1687.7 | 3- | 209.5 1 | E1 | 0.0846 | α=0.0846 | |
1813.8 | 4+ | 126.1 1 | E1 | 0.283 | α=0.283 | |
4+ | 335 | E2 | 0.1216 | α=0.1216 | ||
2013.7 | 6+ | 199.9 1 | E2 | 0.660 | α=0.660 | |
2646.8 | 11- | 0.58 µs 3 | 516.3 2 | [E3] | 0.1428 | B(E3)(W.u.)=5.0 15, α=0.1428 |
11- | 0.58 µs 3 | 606.8 1 | E3 | 0.0876 | B(E3)(W.u.)=21 2, α=0.0876 | |
3681.4 | (14+) | 0.74 µs 7 | 151.2 6 | E2 | 1.94 | B(E2)(W.u.)=0.053 8, α=1.94 5 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 0+ | 26.0 ms 2 % α = 100 % ε ≈ 0.01 SY | Eα=7921 keV 3, weighted average of Eα=7923 keV 5 from 2005Ku31; 7919 keV 6 from 2001Ha46 and 7911 keV 8 from 1968Va18. 7922 keV 10 from 2000He17 is superseded by the value from 2005Ku31. E(level): Eα=7921 keV 3, weighted average of Eα=7923 keV 5 from 2005Ku31; 7919 keV 6 from 2001Ha46 and 7911 keV 8 from 1968Va18. 7922 keV 10 from 2000He17 is superseded by the value from 2005Ku31. |
2040 | 8+ | 134 µs 4 % α = 2.8 9 | %α from 2005Ku31. Other: 5 +5-3 from 2001Ha46. %IT=97 1 calculated by 1983Hi08 from the observed isomer ratio and comparison with that for 217Pa(29/2 level). E(level): %α from 2005Ku31. Other: 5 +5-3 from 2001Ha46. %IT=97 1 calculated by 1983Hi08 from the observed isomer ratio and comparison with that for 217Pa(29/2 level). |
2130.5 | (8+) | Configuration=h29/2. | |
2646.8 | 11- | 0.58 µs 3 | Configuration=h9/2i11/2. |
Calculations, compilations, systematics:
Cluster model for α decay, Geiger-Nuttall plot: 1991Bu05, 1986Ir01
n-p interaction energy: 1990Mo11
Quasi-bands in even-even nuclei: 1984Sa37
Spontaneous emission of heavy ions: 1986Po06
Super- and hyperdeformed configurations: 1995We02
Q-value: Note: Current evaluation has used the following Q record -7.50×103 7 8694 30 2996 25 8071 6 2003Au03