ADOPTED LEVELS, GAMMAS for 78Zn
Authors: Ameenah R. Farhan, Balraj Singh | Citation: Nucl. Data Sheets 110, 1917 (2009) | Cutoff date: 30-Jun-2009
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=6223 keV 3 | S(n)= 6765 keV 3 | S(p)= 1.626×104 keV SY | Q(α)= -1.15×104 keV SY | ||
| Reference: 2012WA38 |
| References: | |||
| A | 78Cu β- decay (335 MS) | B | 78Zn IT decay (319 NS) |
| C | 79Cu β-n decay (188 MS) | D | Coulomb Excitation |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | ABCD | 0+ | 1.47 s 15 % β- = 100 | |||||
| 730.2 4 | ABCD | 2+ | 18 ps 4 | 730.2 4 | 100 | 0.0 | 0+ | |
| 1620.7 6 | AB D | (4+) | 890.5 4 | 100 | 730.2 | 2+ | ||
| 2529.0 9 | AB | (6+) | 908.3 5 | 100 | 1620.7 | (4+) | ||
| 2673.7 10 | AB | (8+) | 319 ns 9 % IT = 100 | 144.7 5 | 100 | (E2) | 2529.0 | (6+) |
| 3106 | A | (4+:8+) | 576 | | 2529.0 | (6+) | ||
E(level): From Eγ’s
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - Yrast cascade | |||||||
| 0.0 | 0+ | 1.47 s 15 % β- = 100 | |||||
| 730.2 4 | 2+ | 18 ps 4 | 730.2 4 | 100 | 0.0 | 0+ | |
| 1620.7 6 | (4+) | 890.5 4 | 100 | 730.2 | 2+ | ||
| 2529.0 9 | (6+) | 908.3 5 | 100 | 1620.7 | (4+) | ||
| 2673.7 10 | (8+) | 319 ns 9 % IT = 100 | 144.7 5 | 100 | (E2) | 2529.0 | (6+) |
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
| 2673.7 | (8+) | 319 ns 9 % IT = 100 | 144.7 5 | (E2) | 0.162 | α=0.162 5 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 1.47 s 15 % β- = 100 | E(level): From weighted average of values in 78Cu decay and 79Zn IT decay. Yrast cascade. |
| 730.2 | 2+ | 18 ps 4 | B(E2)=0.077 19 (2007Va20,2009Va01) E(level): From weighted average of values in 78Cu decay and 79Zn IT decay. Yrast cascade. |
| 1620.7 | (4+) | XREF: d(?). E(level): From weighted average of values in 78Cu decay and 79Zn IT decay. Yrast cascade. From IT decay. Jπ(level): From systematics of (8+) isomers in n=48 isotones (2000Da07). | |
| 2529.0 | (6+) | E(level): From weighted average of values in 78Cu decay and 79Zn IT decay. Yrast cascade. From IT decay. Jπ(level): From systematics of (8+) isomers in n=48 isotones (2000Da07). | |
| 2673.7 | (8+) | 319 ns 9 % IT = 100 | XREF: α(?). E(level): From weighted average of values in 78Cu decay and 79Zn IT decay. Yrast cascade. From IT decay. Jπ(level): From systematics of (8+) isomers in n=48 isotones (2000Da07). |
| E(level) | E(gamma) | Comments |
| 730.2 | 730.2 | E(γ): From weighted average of values in 78Cu decay and 79Zn IT decay |
| 1620.7 | 890.5 | E(γ): From weighted average of values in 78Cu decay and 79Zn IT decay |
| 2529.0 | 908.3 | E(γ): From IT decay |
| 2673.7 | 144.7 | E(γ): From IT decay M(γ): from intensity balance at 2528 level mult=E2 or M2, but E2 is more likely from systematics of n=48 isotones. |
| 3106 | 576 | E(γ): from β- decay |
78Zn isotope identified and produced in fission: 1977Al17, 1981Ru07 (chemical separation), 1980Wo08 (mass separation)
1997Hu09: 238U(p,F) E=25 MeV; measured fission yield
2007Ib01: 238U(γ,F), bremsstrahlung beam produced by 500 MeV electron beam. The 78Zn isotope formed in abundance.
Mass measurements (penning-trap method): 2008Ha23 (JYFLTRAP at JYFL), 2008Ba54 (ISOLTRAP-CERN)
Q-value: Note: Current evaluation has used the following Q record 6222.7 27 6765.4 28 16.47×10350-11540 syst 2009AuZZ
Q-value: ΔQ(α)=400 (syst,2009AuZZ). Q(β-n)=438 3, s(2n)=11322.9 24, s(2p)=30450 500 (syst) (2009AuZZ)
Q-value: Values in 2003Au03: Q(β-)=6360 90, S(n)=6690 150, S(p)=16050 410 (syst), Q(α)=-11400 410 (syst), Q(β-n)=580 90, s(2n)=11350 120, s(2p)=30310 910 (syst)