ADOPTED LEVELS, GAMMAS for 52Fe
Authors: Yang Dong, Huo Junde | Citation: Nucl. Data Sheets 128, 185 (2015) | Cutoff date: 10-Jul-2015
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-14340 keV SY | S(n)= 16201 keV 11 | S(p)= 7378 keV 7 | Q(α)= -7936 keV 10 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 53Co p decay (247 MS) | B | 50Cr(3He,n) |
| C | 50Cr(3He,nγ) | D | 50Cr(α,2nγ) |
| E | 54Fe(p,t) | F | 52Co ε decay |
| G | 53Ni εp decay | H | 28Si(28Si,2P2NG) |
| I | 9Be(55Ni,xγ) | J | Coulomb Excitation |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | ABCDEF HIJ | 0+ | 8.275 h 8 % ε = 100 | |||||
| 849.45 10 | ABCDEFGHIJ | 2+ | 7.8 ps 10 | 849.43 10 | 100 | [E2] | 0.0 | 0+ |
| 2384.55 17 | BCDEF H | 4+ | 0.22 ps 5 | 1535.27 15 | 100 | E2 | 849.45 | 2+ |
| 2758.8 7 | BC E | 2+ | 0.14 ps +9-5 | 1910 2 2760 1 | 32 11 100 11 | [E2] [E2] | 849.45 0.0 | 2+ 0+ |
| 3585.0 3 | BC E H | 4+ | 0.28 ps +21-7 | 2735.0 3 | 100 11 | [E2] | 849.45 | 2+ |
| 4145.6 20 | BC E | 0+ | 3296 2 | 100 | 849.45 | 2+ | ||
| 4325.5 3 | C EF H | 6+ | 0.17 ps 5 | 1941.0 3 | 100 | (E2) | 2384.55 | 4+ |
| 4396.3 3 | C E H | 3- | 3546.3 3 | 100 | (E1) | 849.45 | 2+ | |
| 4456 8 | B E | 2+ | ||||||
| 4850.6 11 | C E | (5-,6+) | 0.5 ps +23-2 | 2466 1 | 100 | 2384.55 | 4+ | |
| 4872.2 3 | H | 6+ | 0.21 ps 8 | 1286.7 3 2488.0 3 | 23 5 100 7 | [E2] E2 | 3585.0 2384.55 | 4+ 4+ |
| 4896 15 | E | |||||||
| 5136.9 4 | E H | 5- | 740.6 3 1553 1 2753.0 3 | 55 6 10 5 100 20 | (E2) [E1] [E1] | 4396.3 3585.0 2384.55 | 3- 4+ 4+ | |
| 5139.6 13 | C E | 5- | 2380 1 4286 4 | 40 20 10E1 4 | [E3] [E3] | 2758.8 849.45 | 2+ 2+ | |
| 5328 8 | E | 4+ | ||||||
| 5363 5 | B E | 0+ | ||||||
| 5439 15 | E | |||||||
| 5483 20 | E | 4+ | ||||||
| 5529 20 | E | 4+ | ||||||
| 5563 8 | E | (3-) | ||||||
| 5654.5 4 | EF | 6+ | 1328.95 25 | 100 | 4325.5 | 6+ | ||
| 5718 8 | B E | 0+ | ||||||
| 5792 10 | B E | |||||||
| 5829 5 | B E | 2+ | ||||||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 5965 15 | E | 4+ | ||||||
| 6034 5 | B E | 2+ | ||||||
| 6044 5 | B E | 2+ | ||||||
| 6174 15 | E | (6+) | ||||||
| 6231 15 | E | |||||||
| 6360.7 4 | H | 8+ | 0.15 ps 5 | 2035.3 3 | 100 | E2 | 4325.5 | 6+ |
| 6416 5 | E | 4+ | ||||||
| 6454 15 | E | |||||||
| 6483 5 | E | 2+ | ||||||
| 6493.1 4 | H | 8+ | 0.18 ps 4 | 1620.8 3 2167.6 3 | 68 14 100 10 | [E2] E2 | 4872.2 4325.5 | 6+ 6+ |
| 6531 10 | B E | 3- | ||||||
| 6564 8 | E | |||||||
| 6634 10 | E | (0+) | ||||||
| 6714 8 | B E | 2+ | ||||||
| 6744 15 | E | |||||||
| 6772 8 | E | (2+) | ||||||
| 6882 5 | E | 1- | ||||||
| 6927 15 | E | 0+ | ||||||
| 6958.0 4 | H | 12+ | 45.9 s 6 % ε = 100 % IT = 0.021 5 | 465.0 3 597.1 3 | 75 25 100 33 | E4 E4 | 6493.1 6360.7 | 8+ 8+ |
| 7013 5 | E | 3- | ||||||
| 7124 10 | B E | (4+) | ||||||
| 7261 15 | B E | (6+) | ||||||
| 7289 8 | B E | |||||||
| 7338 10 | B E | |||||||
| 7381.9 4 | H | (10+) | 888.5 3 1021.4 3 | 88 6 100 19 | (E2) [E2] | 6493.1 6360.7 | 8+ 8+ | |
| 7463 8 | B E | 2+ | ||||||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 7510 15 | E | |||||||
| 7611 10 | B E | 6+ | ||||||
| 7636 15 | B E | 4+ | ||||||
| 7787 10 | B E | |||||||
| 7817 15 | B E | |||||||
| 7935 10 | E | 2+ | ||||||
| 8037 12 | B E | 0+ | ||||||
| 8067 8 | E | |||||||
| 8097 10 | E | |||||||
| 8122 15 | E | |||||||
| 8146 10 | E | 3- | ||||||
| 8184 10 | E | |||||||
| 8207 8 | E | (3-) | ||||||
| 8240 10 | E | |||||||
| 8327 10 | E | (3-) | ||||||
| 8354 5 | B E | 2+ | ||||||
| 8401 8 | E | 2+ | ||||||
| 8425 15 | E | |||||||
| 8461 10 | E | |||||||
| 8511 8 | E | 4+ | ||||||
| 8535 5 | E | 4+ | ||||||
| 8561 5 | B E | 0+ | ||||||
| 8618 8 | E | |||||||
| 8661 15 | E | (4+) | ||||||
| 8677 10 | E | |||||||
| 8727 15 | E | |||||||
| 8748 10 | E | 4+ | ||||||
| 8770 10 | E | (3-) | ||||||
| 8832 10 | E | |||||||
| 8872 10 | E | |||||||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 8900 8 | E | (2+) | ||||||
| 8936 10 | E | |||||||
| 8962 10 | E | (6+) | ||||||
| 8985 10 | B E | |||||||
| 9044 15 | B E | |||||||
| 9059 15 | E | |||||||
| 9130 50 | B | |||||||
| 9213 8 | B E | |||||||
| 9279 8 | B E | 4+ | ||||||
| 9311 8 | E | |||||||
| 9338 10 | E | |||||||
| 9357 15 | E | |||||||
| 9458 10 | B E | |||||||
| 9497 8 | B E | |||||||
| 9770 50 | B | |||||||
| 10006 5 | B E | (2+) | ||||||
| 10049 10 | E | |||||||
| 10332 5 | B E | 0+ | ||||||
| 10810 50 | B | |||||||
| 10990 20 | B | 0+ | ||||||
| 11440 50 | B | |||||||
| 11640 50 | B | |||||||
| 11780 30 | B | 2+ | ||||||
E(level): Levels connected by gammas are from least squares fit, others from 54Fe(p,t), except where seen only in (3He,n).
Jπ(level): From L value in 54Fe(p,t), with S=0 neutron pair transfer assumed, except as noted.
T1/2(level): DSAM, from 28Si(28Si,2p2nγ), except as noted.
M(γ): From values of R(ado) in 28Si(28Si,2p2nγ) and using RULER to rule out mults, except as noted.
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - GS band | |||||||
| 0.0 | 0+ | 8.275 h 8 % ε = 100 | |||||
| 849.45 10 | 2+ | 7.8 ps 10 | 849.43 10 | 100 | [E2] | 0.0 | 0+ |
| 2384.55 17 | 4+ | 0.22 ps 5 | 1535.27 15 | 100 | E2 | 849.45 | 2+ |
| 4325.5 3 | 6+ | 0.17 ps 5 | 1941.0 3 | 100 | (E2) | 2384.55 | 4+ |
| 6360.7 4 | 8+ | 0.15 ps 5 | 2035.3 3 | 100 | E2 | 4325.5 | 6+ |
| 7381.9 4 | (10+) | 888.5 3 1021.4 3 | 88 6 100 19 | (E2) [E2] | 6493.1 6360.7 | 8+ 8+ | |
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 2 - 4+ band (2004Ur02) | |||||||
| 3585.0 3 | 4+ | 0.28 ps +21-7 | |||||
| 4872.2 3 | 6+ | 0.21 ps 8 | 1286.7 3 2488.0 3 | 23 5 100 7 | [E2] E2 | 3585.0 2384.55 | 4+ 4+ |
| 6493.1 4 | 8+ | 0.18 ps 4 | 1620.8 3 2167.6 3 | 68 14 100 10 | [E2] E2 | 4872.2 4325.5 | 6+ 6+ |
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
| 849.45 | 2+ | 7.8 ps 10 | 849.43 10 | [E2] | B(E2)(W.u.)=14.2 19 | |
| 2384.55 | 4+ | 0.22 ps 5 | 1535.27 15 | E2 | B(E2)(W.u.)=26 6 | |
| 2758.8 | 2+ | 0.14 ps +9-5 | 1910 2 | [E2] | B(E2)(W.u.)=3.3 +17-25 | |
| 2+ | 0.14 ps +9-5 | 2760 1 | [E2] | B(E2)(W.u.)=1.7 +7-11 | ||
| 3585.0 | 4+ | 0.28 ps +21-7 | 2735.0 3 | [E2] | B(E2)(W.u.)=1.1 +3-9 | |
| 4325.5 | 6+ | 0.17 ps 5 | 1941.0 3 | (E2) | B(E2)(W.u.)=10 3 | |
| 4872.2 | 6+ | 0.21 ps 8 | 1286.7 3 | [E2] | B(E2)(W.u.)=12 6 | |
| 6+ | 0.21 ps 8 | 2488.0 3 | E2 | B(E2)(W.u.)=2.0 8 | ||
| 5136.9 | 5- | 740.6 3 | (E2) | 0.00043 | α=0.00043, α(K)=0.00038 1 | |
| 6360.7 | 8+ | 0.15 ps 5 | 2035.3 3 | E2 | B(E2)(W.u.)=9 4 | |
| 6493.1 | 8+ | 0.18 ps 4 | 1620.8 3 | [E2] | B(E2)(W.u.)=10 4 | |
| 8+ | 0.18 ps 4 | 2167.6 3 | E2 | B(E2)(W.u.)=3.4 9 | ||
| 6958.0 | 12+ | 45.9 s 6 % ε = 100 % IT = 0.021 5 | 465.0 3 | E4 | 0.0167 | B(E4)(W.u.)=0.0033 16, α=0.0167, α(K)=0.0146 5, α(L)=0.00157 5 |
| 12+ | 45.9 s 6 % ε = 100 % IT = 0.021 5 | 597.1 3 | E4 | 0.0057 | B(E4)(W.u.)=0.00046 22, α=0.0057, α(K)=0.00497 15, α(L)=0.00052 2 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 8.275 h 8 % ε = 100 | E(level): GS band. |
| 849.45 | 2+ | 7.8 ps 10 | B(E2)=0.082 10 (2004Yu07) XREF: B(840). E(level): GS band. |
| 2384.55 | 4+ | 0.22 ps 5 | XREF: B(2360). E(level): GS band. |
| 2758.8 | 2+ | 0.14 ps +9-5 | XREF: B(2750)E(2762). |
| 3585.0 | 4+ | 0.28 ps +21-7 | XREF: B(3590)E(3583). E(level): 4+ band (2004Ur02). T1/2(level): DSAM, from 50Cr(3He,nγ). |
| 4145.6 | 0+ | XREF: B(4160)E(4142). | |
| 4325.5 | 6+ | 0.17 ps 5 | E(level): GS band. |
| 4396.3 | 3- | XREF: E(4400). | |
| 4456 | 2+ | XREF: B(4430). | |
| 4850.6 | (5-,6+) | 0.5 ps +23-2 | XREF: E(4869). T1/2(level): DSAM, from 50Cr(3He,nγ). |
| 4872.2 | 6+ | 0.21 ps 8 | E(level): 4+ band (2004Ur02). |
| 5363 | 0+ | XREF: B(5360). | |
| 5654.5 | 6+ | T=1 IAS (52Mn g.s.). E(level): IAS (52Mn g.s.). | |
| 5829 | 2+ | XREF: B(5820). | |
| 6034 | 2+ | T=1 IAS (52Mn 378 keV)? see 54Fe(p,t). E(level): IAS (52Mn 378 keV)? see 54Fe(p,t). | |
| 6044 | 2+ | T=1 IAS (52Mn 378 keV)? see 54Fe(p,t). E(level): IAS (52Mn 378 keV)? see 54Fe(p,t). | |
| 6360.7 | 8+ | 0.15 ps 5 | E(level): GS band. |
| 6416 | 4+ | T=1 IAS (52Mn 732 keV)? see 54Fe(p,t). E(level): IAS (52Mn 732 keV)? see 54Fe(p,t). | |
| 6493.1 | 8+ | 0.18 ps 4 | E(level): 4+ band (2004Ur02). |
| 6531 | 3- | XREF: B(6520). | |
| 6714 | 2+ | XREF: B(6700). | |
| 7124 | (4+) | XREF: B(7120). | |
| 7381.9 | (10+) | E(level): GS band. | |
| 7463 | 2+ | XREF: B(7470). | |
| 8037 | 0+ | T=1 IAS (52Mn 2474 keV) in 50Cr(3He,n). E(level): IAS (52Mn 2474 keV) in 50Cr(3He,n). | |
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 8354 | 2+ | IAS (52Mn 2796 keV) in 50Cr(3He,n) and 54Fe(p,t). E(level): IAS (52Mn 2796 keV) in 50Cr(3He,n) and 54Fe(p,t). | |
| 8561 | 0+ | T=2 α doublet with energy splitting of 4 keV in (p,t). E(level): α doublet with energy splitting of 4 keV in (p,t). | |
| 8748 | 4+ | t=(1). | |
| 10006 | (2+) | IAS (52Mn 4390 keV) in 54Fe(p,t) and 50Cr(3He,n). E(level): IAS (52Mn 4390 keV) in 54Fe(p,t) and 50Cr(3He,n). | |
| 10332 | 0+ | XREF: B(10310). | |
| 10990 | 0+ | T=2 IAS (52Cr 2647 keV, 52Mn 5491 keV) in 50Cr(3He,n). E(level): IAS (52Cr 2647 keV, 52Mn 5491 keV) in 50Cr(3He,n). | |
| 11780 | 2+ | T=2 IAS (52Cr 3162 keV) in 50Cr(3He,n). E(level): IAS (52Cr 3162 keV) in 50Cr(3He,n). |
| E(level) | E(gamma) | Comments |
| 849.45 | 849.43 | E(γ): From 52Co ε decay. |
| 2384.55 | 1535.27 | E(γ): From 52Co ε decay. |
| 3585.0 | 2735.0 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). |
| 4325.5 | 1941.0 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). M(γ): From values of R(ado) in 28Si(28Si,2p2nγ) and ΔJπ from adopted levels. |
| 4396.3 | 3546.3 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). M(γ): From values of R(ado) in 28Si(28Si,2p2nγ) and ΔJπ from adopted levels. |
| 4872.2 | 1286.7 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). | 2488.0 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). |
| 5136.9 | 740.6 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). M(γ): From values of R(ado) in 28Si(28Si,2p2nγ) and ΔJπ from adopted levels. | 1553 | E(γ): Uncertainty assigned to transition by evaluators.. From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). | 2753.0 | E(γ): From 28Si(28Si,2p2nγ). I(γ): Intensity of transition has been corrected for the angular distribution by 1998Ur05, as specified in literature.. From 28Si(28Si,2p2nγ). |
| 5654.5 | 1328.95 | E(γ): From 52Co ε decay. |
| 6360.7 | 2035.3 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). |
| 6493.1 | 1620.8 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). | 2167.6 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). |
| 6958.0 | 465.0 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). M(γ): From experimental E4 systematics for f7/2-shell nuclei see 28Si(28Si,2p2nγ) (2005Ga20). | 597.1 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). M(γ): From experimental E4 systematics for f7/2-shell nuclei see 28Si(28Si,2p2nγ) (2005Ga20). |
| 7381.9 | 888.5 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). | 1021.4 | E(γ): From 28Si(28Si,2p2nγ). I(γ): From 28Si(28Si,2p2nγ). |
Levels: Ispin and analog state assignments taken from 54Fe(p,t) and 50Cr(3He,n). Analogs identified in both reactions are given.
Q-value: ΔQ(β-)=200