ADOPTED LEVELS, GAMMAS for 164Os
Authors: Balraj Singh and Jun Chen | Citation: Nucl. Data Sheets 147, 1 (2018) | Cutoff date: 30-Nov-2017
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-13080 keV SY | S(n)= 12300 keV SY | S(p)= 171×101 keV 15 | Q(α)= 6479 keV 5 | ||
Reference: 2017WA10 |
References: | |||
A | 165Ir p decay (328 μs) | B | 168Pt α decay (2.02 MS) |
C | 106Cd(60Ni,2nγ) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | Final Levels | |
0.0 | ABC | 0+ | 21 ms 1 % ε = 4 +5-4 % α = 96 +4-5 | ||||
548.0 2 | C | (2+) | 548.0 2 | 100 | 0.0 | 0+ | |
1206.3 3 | C | (4+) | 658.3 2 | 100 | 548.0 | (2+) | |
1889.7 4 | C | (6+) | 683.4 2 | 100 | 1206.3 | (4+) | |
2281.9 4 | C | (8+) | 392.2 2 | 100 | 1889.7 | (6+) | |
2839.3 5 | C | (10+) | 557.4 2 | 100 | 2281.9 | (8+) |
E(level): From Eγ data
Jπ(level): From systematics of even-even nuclei, and yrast sequence
E(γ): From 106Cd(60Ni,2nγ)
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | Final Levels | ||
Band 1 - Yrast sequence | |||||||
0.0 | 0+ | 21 ms 1 % ε = 4 +5-4 % α = 96 +4-5 | |||||
548.0 2 | (2+) | 548.0 2 | 100 | 0.0 | 0+ | ||
1206.3 3 | (4+) | 658.3 2 | 100 | 548.0 | (2+) | ||
1889.7 4 | (6+) | 683.4 2 | 100 | 1206.3 | (4+) | ||
2281.9 4 | (8+) | 392.2 2 | 100 | 1889.7 | (6+) | ||
2839.3 5 | (10+) | 557.4 2 | 100 | 2281.9 | (8+) |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 0+ | 21 ms 1 % ε = 4 +5-4 % α = 96 +4-5 | E(level): Yrast sequence. |
548.0 | (2+) | E(level): Yrast sequence. | |
1206.3 | (4+) | E(level): Yrast sequence. | |
1889.7 | (6+) | E(level): Yrast sequence. | |
2281.9 | (8+) | E(level): Yrast sequence. | |
2839.3 | (10+) | E(level): Yrast sequence. |
1981Ho10: 164Os produced and identified in 110Cd(58Ni,xnyp), using velocity filter, and ion implantation in Si (surface-barrier and position-sensitive) detectors, followed by the observation of 160W, 156Hf α-daughter activities at the same positions.
Later studies of 164Os decay: 1996Pa01, 1996Bi07
For theoretical nuclear structure calculations, consult NSR database, for six references. These are listed in the ENSDF dataset as document records, together with about 12 theory references for α-decay half-life
Q-value: Estimated uncertainties (syst,2017Wa10): ΔQ(β-)=350, ΔS(n)=330
Q-value: S(2n)=22120 340 (syst), S(2p)=1000 150, Q(εp)=7200 160 (2017Wa10)