ADOPTED LEVELS, GAMMAS for 205Fr
Author: F.G. Kondev | Citation: Nucl. Data Sheets 166, 1 (2020) | Cutoff date: 20-Apr-2020
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-7150 keV 70 | S(n)= 9988 keV 26 | S(p)= 629 keV 11 | Q(α)= 7054.7 keV 24 | ||
Reference: 2017WA10 |
References: | |||
A | 209Ac α decay | B | 169Tm(40Ar,4nγ) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | AB | 9/2- | 3.90 s 7 % α = 98.5 4 % ε = 1.5 4 | |||||
209.0 10 | B | (7/2-) | 209 1 | 100 | 0.0 | 9/2- | ||
444.0 12 | B | (5/2-) | 235 1 444 2 | | 209.0 0.0 | (7/2-) 9/2- | ||
516.80 20 | B | 13/2- | 516.8 2 | 100 | (E2) | 0.0 | 9/2- | |
544.0 10 | B | 13/2+ | 80 ns 20 | 544 1 | 100 | (M2) | 0.0 | 9/2- |
609 6 | B | (1/2+) | 1.15 ms 4 % IT = 100 | 165 5 S | 100 | [M2] | 444.0 | (5/2-) |
763 6 | B | (5/2+) | 154.3 5 ? | 100 | 609 | (1/2+) | ||
840.0 14 ? | B | (11/2-) | 631 1 | 100 | 209.0 | (7/2-) | ||
1020.6 10 | B | 15/2+ | 476.6 2 | 100 | (M1) | 544.0 | 13/2+ | |
1097.30 23 | B | 17/2- | 580.5 1 | 100 | (E2) | 516.80 | 13/2- | |
1169.8 11 | B | 653 1 | 100 | 516.80 | 13/2- | |||
1176 6 ? | B | (9/2+) | 413.1 5 ? | 100 | 763 | (5/2+) | ||
1197.2 10 | B | 17/2+ | 175.8 1 653.2 1 | 6.7 6 100 3 | (E2) | 1020.6 544.0 | 15/2+ 13/2+ | |
1588.5 10 | B | (17/2+) | 390.6 1 568.5 1 | 14.2 11 100 4 | D | 1197.2 1020.6 | 17/2+ 15/2+ | |
1592.8 3 | B | 1076.0 2 | 100 | 516.80 | 13/2- | |||
1643.9 10 | B | 19/2+ | 446.6 1 623.5 2 | 100 4 37 4 | 1197.2 1020.6 | 17/2+ 15/2+ | ||
1761.90 25 | B | 21/2- | 664.6 1 | 100 | (E2) | 1097.30 | 17/2- | |
1827.8 11 | B | 21/2+ | 183.6 2 630.9 2 | 10.0 13 100 4 | (E2) | 1643.9 1197.2 | 19/2+ 17/2+ | |
1873.5 11 | B | (19/2+) | 285.0 1 | 100 | 1588.5 | (17/2+) | ||
1894.1 11 | B | (21/2+) | 305.6 1 | 100 | 1588.5 | (17/2+) | ||
2037.2 3 | B | (23/2-) | 275.3 1 | 100 | D | 1761.90 | 21/2- | |
2039.7 3 | B | 942.4 2 | 100 | 1097.30 | 17/2- | |||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2080.5 3 | B | 983.2 2 | 100 | Q | 1097.30 | 17/2- | ||
2139.5 11 ? | B | (21/2+) | 550.6 3 ? | 100 | 1588.5 | (17/2+) | ||
2185.4 11 | B | 23/2+ | 358.2 6 541.4 2 | 100 6 40 6 | (M1) (E2) | 1827.8 1643.9 | 21/2+ 19/2+ | |
2189.8 11 | B | (21/2+) | 601.3 1 | 100 | 1588.5 | (17/2+) | ||
2348.3 11 | B | (27/2+) | 162.9 1 | 100 | (E2) | 2185.4 | 23/2+ | |
2441.6 11 | B | (23/2+) | 547.5 1 | 100 | D | 1894.1 | (21/2+) | |
2481.1 4 | B | (25/2-) | 719.2 2 | 100 | 1761.90 | 21/2- | ||
2643.0 4 | B | (27/2-) | 605.8 3 | 100 | 2037.2 | (23/2-) | ||
2644.3 11 | B | (29/2+) | 296.0 2 | 100 | 2348.3 | (27/2+) | ||
2831.1 11 ? | B | (25/2+) | 640.9 2 ? | 100 | 2189.8 | (21/2+) | ||
2922.8 11 | B | (27/2+) | 481.2 2 | 100 | 2441.6 | (23/2+) | ||
2996.5 11 | B | (31/2+) | 648.2 2 | 100 | 2348.3 | (27/2+) | ||
3081.6 11 | B | (33/2+) | 437.3 1 | 100 | (Q) | 2644.3 | (29/2+) |
E(level): From least squares fit to Eγ.
Jπ(level): From the deduced γ-ray transition multipolarities in 169Tm(40Ar,4nγ) and systematics of structures in neighboring nuclei. Specific arguments are given with most levels.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - Based on the π(h9/2+1) state | |||||||
516.80 20 | 13/2- | ||||||
1097.30 23 | 17/2- | 580.5 1 | 100 | (E2) | 516.80 | 13/2- | |
1761.90 25 | 21/2- | 664.6 1 | 100 | (E2) | 1097.30 | 17/2- | |
2481.1 4 | (25/2-) | 719.2 2 | 100 | 1761.90 | 21/2- | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - Based on the π(i13/2+1) state | |||||||
544.0 10 | 13/2+ | 80 ns 20 | |||||
1020.6 10 | 15/2+ | 476.6 2 | 100 | (M1) | 544.0 | 13/2+ | |
1197.2 10 | 17/2+ | 175.8 1 653.2 1 | 6.7 6 100 3 | (E2) | 1020.6 544.0 | 15/2+ 13/2+ | |
1643.9 10 | 19/2+ | 446.6 1 623.5 2 | 100 4 37 4 | 1197.2 1020.6 | 17/2+ 15/2+ | ||
1827.8 11 | 21/2+ | 183.6 2 630.9 2 | 10.0 13 100 4 | (E2) | 1643.9 1197.2 | 19/2+ 17/2+ | |
2185.4 11 | 23/2+ | 358.2 6 541.4 2 | 100 6 40 6 | (M1) (E2) | 1827.8 1643.9 | 21/2+ 19/2+ |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Additional Data |
544.0 | 13/2+ | 80 ns 20 | 544 1 | (M2) | B(M2)(W.u.)=0.23 6 |
609 | (1/2+) | 1.15 ms 4 % IT = 100 | 165 5 | [M2] | B(M2)(W.u.)=0.0063 10 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 9/2- | 3.90 s 7 % α = 98.5 4 % ε = 1.5 4 | Q=-0.308 18, μ=+3.80 3 Eα=6910 keV 20 (1964Gr04), 6917 keV 5 (1967Va20), 6912 keV 5 (1974Ho27), 6917 keV 5 (1981Ri04), 6915 keV 1 (1995Le04), 6916 keV 5 (2005De01), and 6934 keV 3 (2015Ma63). |
E(level) | E(gamma) | Comments |
516.80 | 516.8 | M(γ): A2=+0.25 1 |
544.0 | 544 | M(γ): α(K)exp=0.25 10 (2012Ja01) |
609 | 165 | E(γ): From the observed summed (K+L+M)ce peak at 169 keV and GEANT4 simulations of the Jπ=(1/2+) isomer decay in 169Tm(40Ar,4nγ) (2012Ja01) |
840.0 | 631 | E(γ): Doublet in 169Tm(40Ar,4nγ) (2012Ja01) |
1020.6 | 476.6 | M(γ): A2=-0.17 4 |
1097.30 | 580.5 | M(γ): A2=0.28 4 |
1169.8 | 653 | E(γ): Doublet in 169Tm(40Ar,4nγ) (2012Ja01) |
1197.2 | 653.2 | E(γ): Doublet in 169Tm(40Ar,4nγ) (2012Ja01) M(γ): A2=+0.21 5 |
1588.5 | 568.5 | M(γ): A2=-0.28 16 |
1761.90 | 664.6 | M(γ): A2=+0.29 7 |
1827.8 | 630.9 | E(γ): Doublet in 169Tm(40Ar,4nγ) (2012Ja01) M(γ): A2=+0.24 3 |
2037.2 | 275.3 | M(γ): A2=-0.51 13 |
2080.5 | 983.2 | M(γ): A2=+0.25 1 |
2185.4 | 358.2 | M(γ): A2=-0.29 11 | 541.4 | M(γ): A2=+0.6 3 |
2348.3 | 162.9 | M(γ): A2=+0.23 9 |
2441.6 | 547.5 | M(γ): A2=-0.48 4 |
3081.6 | 437.3 | M(γ): A2=+0.43 17 |