ADOPTED LEVELS, GAMMAS for 71Ni
Authors: Khalifeh Abusaleem, Balraj Singh | Citation: Nucl. Data Sheets 112, 133 (2011) | Cutoff date: 30-Nov-2010
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=7305 keV 3 | S(n)= 4264 keV 3 | S(p)= 1.58×104 keV 3 | Q(α)= -1.176×104 keV 22 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 71Co β- decay (80 MS) | B | 72Co β-n decay (62 MS) |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | Final Levels | |
| 0 | AB | (9/2+) | 2.56 s 3 % β- = 100 | ||||
| 280.5 2 | A | (7/2+) | 280.5 2 | 100 | 0 | (9/2+) | |
| 499 | A | (1/2-) | 2.3 s 3 % β- = 100 | ||||
| 813.0 5 ? | A | (5/2+) | 813.0 5 | 100 | 0 | (9/2+) | |
| 1065.2 6 | A | (5/2-) | 252.2 3 566.8 2 | 13 2 100 7 | 813.0 499 | (5/2+) (1/2-) | |
| 1273.4 | A | (5/2-) | 774.4 3 | 100 | 499 | (1/2-) | |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | (9/2+) | 2.56 s 3 % β- = 100 | Configuration=νg9/2~#(70Ni g.s.). |
| 1065.2 | (5/2-) | This level may also be populated in 72Co β-n decay since a 566γ in this decay has been reported. |
1990Be13, 1987Ar21: 71Ni produced in 235U(n,f) and 239Pu(n,f) E=thermal followed by mass separation at GSI facility. Measured cross section for production of 71Ni
1997Wo06: 238U(p,f) E=65 MeV/nucleon. Laser-ion guided facility, Leuven facility. Production of 71Ni isotope.
1997Hu09: 238U(p,f) E=25 MeV. Measured yield, fission distribution
2002Kr13, 2001Fr21, 2000Mu10, 1998Fr15: 238U(p,f) E=30 MeV, Leuven facility. Measured yield, γ, β, βγ coin, isotopic half-life
2004Sa13: 71Ni produced in the fragmentation of 86Kr beam at 58 MeV/nucleon with 181Ta target at ganil facility.
Mass measurements: 2007Ra27 (JYFLTRAP, Penning-trap method), 2005Gu36, 1994Se12
Level systematics: 2005Gr29, 2002Gr16
Q-value: Note: Current evaluation has used the following Q record
Q-value: Q values from mass excess=-55406.2 28 (2007Ra27) for 71Ni and other mass excesses from 2009AuZZ or 2003Au03)
Q-value: Values in 2009AuZZ, 2003Au03: Q(β-)=7510 370, S(n)=4130 510, S(p)=16850 390, Q(α)=-11940 560