ADOPTED LEVELS, GAMMAS for 62Fe
Authors: Balraj Singh, Huang Xiaolong, and Wang Xianghan | Citation: Nucl. Data Sheets 204, 1 (2025) | Cutoff date: 30-Jun-2023
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=2546 keV 19 | S(n)= 8029 keV 4 | S(p)= 14425 keV 4 | Q(α)= -9311 keV 4 | ||
| Reference: 2021WA16 |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | ABCDEFGHIJ | 0+ | 68 s 2 % β- = 100 | |||||
| 877.31 10 | ABCDEFGHIJ | 2+ | 5.3 ps 6 | 877.3 1 | 100 | E2 | 0.0 | 0+ |
| 1692.3 20 | A | (0+) | 815 2 | 100 | 877.31 | 2+ | ||
| 2016.98 18 | B D | (1+,2+) | 1139.8 2 2017.0 10 | 100 9 11 6 | 877.31 0.0 | 2+ 0+ | ||
| 2176.47 14 | B E GHI | 4+ | 0.60 ps 17 | 1299.2 1 | 100 | E2 | 877.31 | 2+ |
| 2691.62 16 | B H | (3+) | 515.2 2 674.8 2 1814.0 2 | 5.0 13 16.9 25 100 8 | D | 2176.47 2016.98 877.31 | 4+ (1+,2+) 2+ | |
| 2849.72 24 | B | 673.3 2 | 100 | 2176.47 | 4+ | |||
| 3008.9 5 | B GH | (4-) | 317.0 4 832.4 5 | 8.1 35 100 18 | 2691.62 2176.47 | (3+) 4+ | ||
| 3015.7 5 | B E GHI | (5-) | 839.3 5 | 100 | D | 2176.47 | 4+ | |
| 3310.0 7 | B GH | (6-) | 294.3 5 301.0 10 | 100 50 <33 | 3015.7 3008.9 | (5-) (4-) | ||
| 3360.3 15 | B | 1183.8 15 | 100 | 2176.47 | 4+ | |||
| 3387.84 17 | E GHI | 6+ | 1211.3 1 | 100 | (E2) | 2176.47 | 4+ | |
| 3604.87 19 | GH | (7-) | 294.8 3 589.2 1 | 6.1 22 100 5 | (Q) | 3310.0 3015.7 | (6-) (5-) | |
| 3629.4 3 | GH | 241.6 2 | 100 | 3387.84 | 6+ | |||
| 3633.48 18 | B | (4+) | 941.8 2 1457.1 2 1616.4 3 2756.0 5 | 100 7 77 6 2.6 4 2.5 3 | (D) | 2691.62 2176.47 2016.98 877.31 | (3+) 4+ (1+,2+) 2+ | |
| 3661.7 15 | B | 1485.2 15 | 100 | 2176.47 | 4+ | |||
| 3713.7 15 | B | 1537.2 15 | 100 | 2176.47 | 4+ | |||
| 4050.7 4 | B | (2+,3,4+) | 1201.1 3 1874.0 15 3172.3 9 | 100 21 13 13 26 13 | 2849.72 2176.47 877.31 | 4+ 2+ | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 4251.77 20 | GH | (8+) | 647.1 3 863.9 1 | 6.7 34 100 8 | (Q) | 3604.87 3387.84 | (7-) 6+ | |
| 4358.84 25 | H | (8-) | 754.0 2 1048.7 3 | 44 13 100 25 | 3604.87 3310.0 | (7-) (6-) | ||
| 4902.2 4 | H | (9-) | 1297.3 3 | 100 | 3604.87 | (7-) | ||
| 4970 80 | D | |||||||
| 5319.5 3 | GH | 10+ | 1067.7 2 | 100 | 4251.77 | (8+) | ||
| 5474? | H | 1222? | | 4251.77 | (8+) | |||
E(level): From a least-squares fit to Eγ data
M(γ): From γγ(θ) in 62Mn β- decay and γ(θ) in 238U(64Ni,Xγ), combined with RUL (for E2 and M2)
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - Yrast band. | |||||||
| 0.0 | 0+ | 68 s 2 % β- = 100 | |||||
| 877.31 10 | 2+ | 5.3 ps 6 | 877.3 1 | 100 | E2 | 0.0 | 0+ |
| 2176.47 14 | 4+ | 0.60 ps 17 | 1299.2 1 | 100 | E2 | 877.31 | 2+ |
| 3387.84 17 | 6+ | 1211.3 1 | 100 | (E2) | 2176.47 | 4+ | |
| 4251.77 20 | (8+) | 647.1 3 863.9 1 | 6.7 34 100 8 | (Q) | 3604.87 3387.84 | (7-) 6+ | |
| 5319.5 3 | 10+ | 1067.7 2 | 100 | 4251.77 | (8+) | ||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 2 - Band based on (4-),α=0 | |||||||
| 3008.9 5 | (4-) | ||||||
| 3310.0 7 | (6-) | 294.3 5 301.0 10 | 100 50 <33 | 3015.7 3008.9 | (5-) (4-) | ||
| 4358.84 25 | (8-) | 754.0 2 1048.7 3 | 44 13 100 25 | 3604.87 3310.0 | (7-) (6-) | ||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 3 - Band based on (5-),α=1 | |||||||
| 3015.7 5 | (5-) | ||||||
| 3604.87 19 | (7-) | 294.8 3 589.2 1 | 6.1 22 100 5 | (Q) | 3310.0 3015.7 | (6-) (5-) | |
| 4902.2 4 | (9-) | 1297.3 3 | 100 | 3604.87 | (7-) | ||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Additional Data |
| 877.31 | 2+ | 5.3 ps 6 | 877.3 1 | E2 | B(E2)(W.u.)=14.1 16 |
| 2176.47 | 4+ | 0.60 ps 17 | 1299.2 1 | E2 | B(E2)(W.u.)=17 +7-4 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 68 s 2 % β- = 100 | E(level): Yrast band. |
| 877.31 | 2+ | 5.3 ps 6 | Q=-0.08 40 (2015Ga38) E(level): Yrast band. |
| 2176.47 | 4+ | 0.60 ps 17 | E(level): Yrast band. |
| 3008.9 | (4-) | E(level): Band based on (4-),α=0. Jπ(level): Jπ assignments for the negative-parity states are based on band structures, systematics and γ(θ) data in 238U(64Ni,Xγ), and also shell-model calculations by 2009Su20. | |
| 3015.7 | (5-) | ΔJ=1, dipole γ to 4+. E(level): Band based on (5-),α=1. Jπ(level): Jπ assignments for the negative-parity states are based on band structures, systematics and γ(θ) data in 238U(64Ni,Xγ), and also shell-model calculations by 2009Su20. | |
| 3310.0 | (6-) | E(level): Band based on (4-),α=0. Jπ(level): Jπ assignments for the negative-parity states are based on band structures, systematics and γ(θ) data in 238U(64Ni,Xγ), and also shell-model calculations by 2009Su20. | |
| 3387.84 | 6+ | E(level): Yrast band. | |
| 3604.87 | (7-) | E(level): Band based on (5-),α=1. Jπ(level): Jπ assignments for the negative-parity states are based on band structures, systematics and γ(θ) data in 238U(64Ni,Xγ), and also shell-model calculations by 2009Su20. | |
| 4251.77 | (8+) | E(level): Yrast band. | |
| 4358.84 | (8-) | E(level): Band based on (4-),α=0. Jπ(level): Jπ assignments for the negative-parity states are based on band structures, systematics and γ(θ) data in 238U(64Ni,Xγ), and also shell-model calculations by 2009Su20. | |
| 4902.2 | (9-) | E(level): Band based on (5-),α=1. Jπ(level): Jπ assignments for the negative-parity states are based on band structures, systematics and γ(θ) data in 238U(64Ni,Xγ), and also shell-model calculations by 2009Su20. | |
| 5319.5 | 10+ | E(level): Yrast band. |
| E(level) | E(gamma) | Comments |
| 877.31 | 877.3 | M(γ): ΔJ=2, quadrupole from γ(θ) and γγ(θ); RUL |
| 3387.84 | 1211.3 | E(γ): From 238U(64Ni,Xγ) M(γ): ΔJ=(2), (Q) γ to (4+); (E2) from in-band transition |
| 3604.87 | 294.8 | E(γ): From 238U(64Ni,Xγ) I(γ): From 238U(64Ni,Xγ) | 589.2 | E(γ): From 238U(64Ni,Xγ) I(γ): From 238U(64Ni,Xγ) |
| 3629.4 | 241.6 | E(γ): From 238U(64Ni,Xγ) |
| 4251.77 | 647.1 | E(γ): From 238U(64Ni,Xγ) I(γ): From 238U(64Ni,Xγ) | 863.9 | E(γ): From 238U(64Ni,Xγ) I(γ): From 238U(64Ni,Xγ) |
| 4358.84 | 754.0 | E(γ): From 238U(64Ni,Xγ) I(γ): From 238U(64Ni,Xγ) | 1048.7 | E(γ): From 238U(64Ni,Xγ) I(γ): From 238U(64Ni,Xγ) |
| 4902.2 | 1297.3 | E(γ): From 238U(64Ni,Xγ) |
| 5319.5 | 1067.7 | E(γ): From 238U(64Ni,Xγ) |
| 5474 | 1222 | E(γ): From 238U(64Ni,Xγ) |
1975Fr16: identification and production of 62Fe in 64Ni(n,2pn) reaction at E(n)=25-200 MeV, neutron beam of the 200-MeV LINAC at BNL. Identification from monitoring of decay of 62Fe and growth of 62Co. Measured Eγ, half-life
Delayed neutron decay of 63Mn is allowed and, in principle, can populate levels in 62Fe, but there is no experimental information available for this decay mode
Mass measurement: 2012Na15
Theoretical nuclear structure calculations:
2022Ho02: calculated quadrupole deformation parameter β2, S(2n), rms matter radius, hexadecapole deformation parameter β4, difference of the charge square radii, diffuseness parameters using Skyrme-Hartree-Fock method in three-dimensional coordinate space.
2022Ko04: calculated ground state energy, charge rms radius using coupled cluster (α) and ab-initio density functional theory, extended to open-shell deformed nuclei.
2021Ob02: calculated energy levels, Jπ, B(E2), deformation parameters, using shell model.
2017Sc04: calculated energy levels, Jπ B(E2), B(M1) using large-scale shall model.
2014Ji14: calculated levels, Jπ, deformation of ground state, B(E2) of collective states, potential energy surface using mean-field models.
2014Ko16: calculated levels, Jπ, B(E2), E(4+)/E(2+), E(6+)/E(4+), quadrupole moment, energy surface contour in (β-γ) plane using proton-neutron interacting boson model (IBM-2) and interacting shell model (ISM).
2012Lo04: calculated M1 transition strength distribution for ground and low-lying states using shell model with 40,48Ca core and KB3Gmod interaction; and compared with single-particle calculation and Kopecky formula.
2010Le20: calculated levels, Jπ, B(E2), quadrupole moment, occupation of neutron intruder orbitals and percentage of particle-hole excitations using interacting shell-model framework in full pf valence space with 48Ca core and G-matrix effective interaction.
2010Sr02, 2009Sr01: calculated levels, Jπ, quadrupole moments, B(E2), wave functions, occupation numbers using large-scale shell model with GXPF1A interaction.
2009Su20: calculated levels, Jπ, moment of inertia, B(E2), deformation parameters, yrast band up to 20+ using projected shell-model.
2002Ca48: calculated level energies, Jπ, B(E2) using large-scale shell model.
Other theory calculations: 19 references for structure and four for decays retrieved form the NSR database are listed in this dataset as ’document’ records.
Q-value: S(2n)=13608 4, S(2p)=26547 3 (2021Wa16)