ADOPTED LEVELS, GAMMAS for 73Ni
Authors: Balraj Singh and Jun Chen | Citation: Nucl. Data Sheets 158, 1 (2019) | Cutoff date: 16-May-2019
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=8879 keV 3 | S(n)= 3953 keV 3 | S(p)= 17200 keV SY | Q(α)= -13500 keV SY | ||
| Reference: 2017WA10 |
| References: | |||
| A | 73Co β- decay (40.7 MS) | B | 74Co β-n decay (31.3 MS) |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | Final Levels | |
| 0.0 | AB | (9/2+) | 0.84 s 3 % β- = 100 % β-n = ? | ||||
| 239.2 2 | AB | (7/2+) | 239.2 2 | 100 | 0.0 | (9/2+) | |
| 524.3 4 | A | (5/2+) | 284.8 4 524.6 5 | 100 25 52 19 | 239.2 0.0 | (7/2+) (9/2+) | |
| 1299.0 6 | A | (5/2-) | 774.7 4 | 100 | 524.3 | (5/2+) | |
E(level): From Eγ data
Jπ(level): From 2012Ra10, based on systematics of level structure in 69Ni and 71Ni, and shell-model predictions, except where noted
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | (9/2+) | 0.84 s 3 % β- = 100 % β-n = ? | Theoretical T1/2=1.099 s, %β-n=1 (2019Mo01). E(level): Theoretical T1/2=1.099 s, %β-n=1 (2019Mo01). |
1990Be13: 73Ni produced and identified in 235U(n,F) and 239Pu(n,F) E=thermal followed by separation of fragments in a recoil spectrometer and identification with a ΔE-E ionization chamber, and β detection with planar Si detectors in which 73Ni fragments were implanted.
1998Am04: 73Ni produced in the fragmentation of 86Kr beam, followed by fragment mass separation
2001Fr21, 2000Mu10, 1998Fr15, 1997Wo06: 73Ni produced in 238U(p,F) E=30 MeV. Measured isotope yields by laser-ionization isotopic separation technique.
2007Ra27: precise mass measurement using JYFLTRAP double Penning trap
2005Gr29: analyzed data; deduced levels, Jπ, configurations
2002Gr16: analyzed levels, Jπ, B(E2)
Q-value: Estimated uncertainty=400 for S(p) and Q(α) (2017Wa10)
Q-value: S(2n)=10845 3, S(2p)=33260 400(syst), Q(β-n)=1603.5 28 (2017Wa10)