ADOPTED LEVELS, GAMMAS for 227Fr
Author: Ictp-2014 Workshop Group | Citation: Nucl. Data Sheets 132, 257 (2016) | Cutoff date: 15-Jan-2016
Authors: J. Tuli, S. Deepa, R. Gowrishankar, M. Sainath, K. Vijay Sai | Citation: ENSDF | Cutoff date: 15-JAN-2016
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=2506 keV 13 | S(n)= 5926 keV 18 | S(p)= 6350 keV 17 | Q(α)= 3833 keV 19 | ||
Reference: 2012WA38 |
References: | |||
A | 227Rn β- decay (20.2 S) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | A | 1/2+ | 2.47 m 3 % β- = 100 | |||||
2.74 4 | A | (3/2-) | 2.74S | 100.0 | [E1] | 0.0 | 1/2+ | |
31.96 4 | A | (5/2+) | 31.96S | 100.0 | [E2] | 0.0 | 1/2+ | |
34.09 10 | A | (5/2-) | 31.35S | 100.0 | [E2] | 2.74 | (3/2-) | |
39.90 4 | A | 3/2+ | 2.7 ns 2 | 39.88 8 | 100.0 | M1+E2 | 0.0 | 1/2+ |
56.03 9 | A | 1/2,3/2 | 56.00 10 | 100.0 | M1,E1 | 0.0 | 1/2+ | |
59.10 5 | A | 1/2-,3/2- | 59.10 5 | 100.0 | E1 | 0.0 | 1/2+ | |
62.97 7 | A | 1/2- | 63.07 10 | 100.0 | E1 | 0.0 | 1/2+ | |
66.35 5 | A | 3/2+ | 7.40 66.50 10 | 100 7 | [E1] M1+E2 | 59.10 0.0 | 1/2-,3/2- 1/2+ | |
87.98 6 | A | (7/2-) | 54.3 5 | 100.0 | 34.09 | (5/2-) | ||
95.40 4 | A | 3/2- | 32.35 61.22 92.65 5 95.42 5 | ≤9.6 53.6 22 100 4 | [M1,E2] E2 (M1) E1 | 62.97 34.09 2.74 0.0 | 1/2- (5/2-) (3/2-) 1/2+ | |
121.45 16 | A | (7/2+) | 89.51? | 100.0 | 31.96 | (5/2+) | ||
132.08 8 | A | 97.90 10 | 100.0 | 34.09 | (5/2-) | |||
144.16 4 | A | 3/2+ | 38 ps 12 | 48.77 10 77.85 5 104.4 1 112.22 5 141.53 5 144.4 3 | 10 4 67.9 25 81 7 33 3 100 7 6.9 11 | [E1] M1+E2 M1+E2 M1+E2 E1 [M1+E2] | 95.40 66.35 39.90 31.96 2.74 0.0 | 3/2- 3/2+ 3/2+ (5/2+) (3/2-) 1/2+ |
164.95 4 | A | 5/2+ | 49 ps 8 | 20.63 98.53 10 124.6 4 132.95 5 162.17 8 165.3 5 | 6.4 20 1.15 14 30.0 10 100 4 3.9 7 | [M1+E2] M1 [M1,E2] M1 E1 [E2] | 144.16 66.35 39.90 31.96 2.74 0.0 | 3/2+ 3/2+ 3/2+ (5/2+) (3/2-) 1/2+ |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
224.07 4 | A | 3/2-,5/2- | < 36 ps | 128.78 5 135.9 2 157.90 10 192.06 5 | 100 3 10.1 10 18.2 19 31 5 | M1 [E1] [E1] | 95.40 87.98 66.35 31.96 | 3/2- (7/2-) 3/2+ (5/2+) |
298.19 8 | A | 133.0 2 154.25 10 235.06 10 | 50 8 100 10 72 8 | 164.95 144.16 62.97 | 5/2+ 3/2+ 1/2- | |||
306.49 4 | A | 3/2+ | < 24 ps | 141.53 5 162.22 8 174.43 10 210.76 10 240.3 5 266.55 5 303.74 5 306.53 5 | 43 5 100 8 18.4 19 16.6 17 ≈9.278 39.5 24 45.3 18 74.9 23 | M1 M1 [E1] [M1+E2] M1+E2 (E1) M1 | 164.95 144.16 132.08 95.40 66.35 39.90 2.74 0.0 | 5/2+ 3/2+ 3/2- 3/2+ 3/2+ (3/2-) 1/2+ |
330.77 12 | A | 209.32 10 267.81 10 296.3 5 | 27 3 100 6 ≈33 | M1(+E2) | 121.45 62.97 34.09 | (7/2+) 1/2- (5/2-) | ||
378.55 9 | A | 213.66 10 | 100.0 | 164.95 | 5/2+ | |||
418.95 4 | A | 3/2-,5/2- | < 29 ps | 88.08 112.38 10 194.95 5 253.85 10 331.00 5 379.05 5 387.03 5 416.16 5 | ≈14 100 10 12.7 13 44 4 48.6 23 60.4 25 84 3 | [E1] M1+E2 [E1] [E1] [E1] [M1+E2] | 330.77 306.49 224.07 164.95 87.98 39.90 31.96 2.74 | 3/2+ 3/2-,5/2- 5/2+ (7/2-) 3/2+ (5/2+) (3/2-) |
427.73 5 | A | 262.63 10 283.60 10 295.54 10 332.40 5 427.4 2 | 31 4 20.5 22 87 5 100 6 35 3 | M1 | 164.95 144.16 132.08 95.40 0.0 | 5/2+ 3/2+ 3/2- 1/2+ | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
444.88 7 | A | 66.39 10 279.9 2 300.80 10 | 65 7 100 6 | 378.55 164.95 144.16 | 5/2+ 3/2+ | |||
534.63 5 | A | (3/2)- | 369.5 5 468.4 5 502.88 10 531.87 5 534.52 10 | 31 6 13.2 20 52 3 100 4 32 4 | [E1] [E1] (E1) M1 [E1] | 164.95 66.35 31.96 2.74 0.0 | 5/2+ 3/2+ (5/2+) (3/2-) 1/2+ | |
579.96 12 | A | 1/2-,3/2-,5/2- | 520.86 10 | 100.0 | M1 | 59.10 | 1/2-,3/2- | |
675.46 5 | A | 3/2+,5/2+ | 247.8 5 510.4 5 643.51 5 672.71 5 | ≈10 19 4 92 4 100 3 | [M1+E2] M1 [E1] | 427.73 164.95 31.96 2.74 | 5/2+ (5/2+) (3/2-) | |
686.23 5 | A | 3/2+ | 623.6 3 686.22 5 | 4.2 5 100 3 | [E1] M1 | 62.97 0.0 | 1/2- 1/2+ | |
689.09 6 | A | (3/2+,5/2+) | 244.33 10 593.8 2 601.10 5 655.3 2 656.95 10 | 12.8 12 15.4 18 55 3 25 4 100 5 | [E1] [E1] M1(+E0) | 444.88 95.40 87.98 34.09 31.96 | 3/2- (7/2-) (5/2-) (5/2+) | |
690.31 11 | A | 546.15 10 | 100.0 | 144.16 | 3/2+ | |||
715.91 9 | A | 652.94 5 | 100.0 | 62.97 | 1/2- | |||
849.95 21 | A | 431.0 2 | 100.0 | 418.95 | 3/2-,5/2- | |||
860.88 10 | A | 442.3 5 765.8 2 794.41 10 798.7 5 801.7 5 | ≈71 49 5 100 4 16.3 22 21 3 | 418.95 95.40 66.35 62.97 59.10 | 3/2-,5/2- 3/2- 3/2+ 1/2- 1/2-,3/2- | |||
872.03 8 | A | 815.97 10 838.2 5 872.05 10 | 71 3 16.7 18 100 3 | 56.03 34.09 0.0 | 1/2,3/2 (5/2-) 1/2+ | |||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
892.83 5 | A | (3/2,5/2)+ | 473.95 10 586.16 10 748.78 5 826.4 5 892.54 10 | 31.9 16 100 10 25.7 10 9.3 7 16.7 11 | M1 | 418.95 306.49 144.16 66.35 0.0 | 3/2-,5/2- 3/2+ 3/2+ 3/2+ 1/2+ | |
898.79 8 | A | 470.5 5 754.48 10 835.98 10 864.7 5 | 25 5 55 6 100 6 38 4 | 427.73 144.16 62.97 34.09 | 3/2+ 1/2- (5/2-) | |||
904.10 4 | A | 3/2+,5/2+ | 485.16 5 597.57 5 680.06 10 739.16 5 759.97 5 901.38 10 | 11.3 6 35.84 9.2 4 100 3 40.9 11 10.3 4 | [E1] M1 [E1] M1 M1 [E1] | 418.95 306.49 224.07 164.95 144.16 2.74 | 3/2-,5/2- 3/2+ 3/2-,5/2- 5/2+ 3/2+ (3/2-) | |
922.92 16 | A | 592.15 10 | 100.00 | 330.77 | ||||
949.00 5 | A | (3/2,5/2)- | 529.90 10 724.95 5 804.96 5 853.17 10 | 15.7 11 53.6 16 100 4 18.1 19 | [M1+E2] M1 [E1] [M1,E2] | 418.95 224.07 144.16 95.40 | 3/2-,5/2- 3/2-,5/2- 3/2+ 3/2- | |
955.02 6 | A | 536.10 5 810.75 10 | 100 8 56 4 | 418.95 144.16 | 3/2-,5/2- 3/2+ |
E(level): From 1997Ku20. See also 227Rn β- decay (20.2 s).
Jπ(level): Spin, parity, and rotational band assignments are based mostly on γ-ray multipolarities and the band structure expected from the reflection-symmetric rotor model, including an octupole deformation. Only the better established rotational bands are presented here. In addition, arguments based on γ-ray multipolarities have been included for individual levels.
Jπ(level): Although octupole deformations are small in this region, nuclear states are no longer fully characterized by single Nilsson orbitals. K=1/2 and 3/2 bands are expected parity-doublet pairs with same K but different parity. Decoupling parameters for these bands are the same but of opposite sign and enhanced E1 transitions connecting parity-pair band levels (1997Ku20)
T1/2(level): From βγ(t) and βγγ(t) in 227Rn decay (1997Ku20)
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - Kπ=1/2+ Band. | |||||||
0.0 | 1/2+ | 2.47 m 3 % β- = 100 | |||||
31.96 4 | (5/2+) | 31.96S | 100.0 | [E2] | 0.0 | 1/2+ | |
39.90 4 | 3/2+ | 2.7 ns 2 | 39.88 8 | 100.0 | M1+E2 | 0.0 | 1/2+ |
121.45 16 | (7/2+) | 89.51? | 100.0 | 31.96 | (5/2+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - Kπ=1/2- Band. | |||||||
62.97 7 | 1/2- | ||||||
95.40 4 | 3/2- | 32.35 61.22 92.65 5 95.42 5 | ≤9.6 53.6 22 100 4 | [M1,E2] E2 (M1) E1 | 62.97 34.09 2.74 0.0 | 1/2- (5/2-) (3/2-) 1/2+ | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - Kπ=3/2+ Band. | |||||||
144.16 4 | 3/2+ | 38 ps 12 | |||||
164.95 4 | 5/2+ | 49 ps 8 | 20.63 98.53 10 124.6 4 132.95 5 162.17 8 165.3 5 | 6.4 20 1.15 14 30.0 10 100 4 3.9 7 | [M1+E2] M1 [M1,E2] M1 E1 [E2] | 144.16 66.35 39.90 31.96 2.74 0.0 | 3/2+ 3/2+ 3/2+ (5/2+) (3/2-) 1/2+ |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - Kπ=3/2- Band. | |||||||
2.74 4 | (3/2-) | ||||||
34.09 10 | (5/2-) | 31.35S | 100.0 | [E2] | 2.74 | (3/2-) | |
87.98 6 | (7/2-) | 54.3 5 | 100.0 | 34.09 | (5/2-) |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
2.74 | (3/2-) | 2.74 | [E1] | 74.5 | α=74.5, α(N)=67.5 10, α(O)=6.77 10, α(P)=0.262 4, α(Q)=0.00218 3 | ||
31.96 | (5/2+) | 31.96 | [E2] | 2.12×103 | α=2.12×103, α(L)=1567 22, α(M)=420 6, α(N)=109.8 16, α(O)=22.6 4, α(P)=2.87 4, α(Q)=0.00364 6 | ||
34.09 | (5/2-) | 31.35 | [E2] | 2.34×103 | α=2.34×103, α(L)=1727 25, α(M)=463 7, α(N)=121.0 17, α(O)=25.0 4, α(P)=3.16 5, α(Q)=0.00399 6 | ||
39.90 | 3/2+ | 2.7 ns 2 | 39.88 8 | M1+E2 | 0.16 14 | 59 | B(E2)(W.u.)≈9.4, B(M1)(W.u.)≈0.0021, α=59 40, α(L)=44 29, α(M)=10.9 79, α(N)=2.9 21, α(O)=0.62 43, α(P)=0.094 53, α(Q)=0.00389 17 |
56.03 | 1/2,3/2 | 56.00 10 | M1,E1 | 7.9 | α=7.9 74, α(L)=6.0 56, α(M)=1.4 14, α(N)=0.37 35, α(O)=0.084 79, α(P)=0.013 13, α(Q)=7.4×10-4 72 | ||
59.10 | 1/2-,3/2- | 59.10 5 | E1 | 0.436 | α=0.436, α(L)=0.330 5, α(M)=0.0801 12, α(N)=0.0206 3, α(O)=0.00429 6, α(P)=0.000578 9, α(Q)=1.78×10-5 3 | ||
62.97 | 1/2- | 63.07 10 | E1 | 0.366 | α=0.366, α(L)=0.278 4, α(M)=0.0672 10, α(N)=0.0173 3, α(O)=0.00361 6, α(P)=0.000491 8, α(Q)=1.545×10-5 23 | ||
66.35 | 3/2+ | 7.40 | [E1] | 27.8 | α=27.8, α(M)=21.6 3, α(N)=5.26 8, α(O)=0.845 12, α(P)=0.0625 9, α(Q)=0.000875 13 | ||
3/2+ | 66.50 10 | M1+E2 | 0.57 23 | 21.9 | α=21.9 75, α(L)=16.3 55, α(M)=4.2 16, α(N)=1.11 40, α(O)=0.235 81, α(P)=0.0324 99, α(Q)=0.00070 11 | ||
95.40 | 3/2- | 32.35 | [M1,E2] | 1.05×103 | α=1.05×103 98, α(L)=7.8×10+2 72, α(M)=2.1E+2 20, α(N)=54 51, α(O)=11 11, α(P)=1.4 13, α(Q)=0.0054 20 | ||
3/2- | 61.22 | E2 | 90.4 | α=90.4, α(L)=66.6 10, α(M)=18.0 3, α(N)=4.71 7, α(O)=0.974 14, α(P)=0.1244 18, α(Q)=0.000203 3 | |||
3/2- | 92.65 5 | (M1) | 3.52 | α=3.52, α(L)=2.67 4, α(M)=0.637 9, α(N)=0.1669 24, α(O)=0.0373 6, α(P)=0.00599 9, α(Q)=0.000335 5 | |||
3/2- | 95.42 5 | E1 | 0.1212 | α=0.1212, α(L)=0.0920 13, α(M)=0.0221 4, α(N)=0.00571 8, α(O)=0.001215 17, α(P)=0.0001723 25, α(Q)=6.18×10-6 9 | |||
144.16 | 3/2+ | 38 ps 12 | 48.77 10 | [E1] | 0.729 | B(E1)(W.u.)=0.00019 10, α=0.729, α(L)=0.552 9, α(M)=0.1346 21, α(N)=0.0345 6, α(O)=0.00712 11, α(P)=0.000934 14, α(Q)=2.69E-5 4 | |
3/2+ | 38 ps 12 | 77.85 5 | M1+E2 | 0.5 4 | 10.4 | B(E2)(W.u.)=4.×102 4, B(M1)(W.u.)=0.031 20, α=10.4 57, α(L)=7.8 42, α(M)=2.0 12, α(N)=0.52 31, α(O)=0.111 62, α(P)=0.0159 74, α(Q)=4.6E-4 12 | |
3/2+ | 38 ps 12 | 104.4 1 | M1+E2 | 1.0 5 | 10.0 | B(E2)(W.u.)=2.0×102 11, B(M1)(W.u.)=0.012 5, α=10.0 16, α(K)=5.2 30, α(L)=3.6 11, α(M)=0.94 30, α(N)=0.247 78, α(O)=0.052 16, α(P)=0.0071 18, α(Q)=1.32E-4 63 | |
3/2+ | 38 ps 12 | 112.22 5 | M1+E2 | 1.0 5 | 7.9 | B(E2)(W.u.)=8.×101 4, B(M1)(W.u.)=0.0031 14, α=7.9 15, α(K)=4.3 24, α(L)=2.66 68, α(M)=0.69 20, α(N)=0.182 52, α(O)=0.039 11, α(P)=0.0053 12, α(Q)=1.07E-4 52 | |
3/2+ | 38 ps 12 | 141.53 5 | E1 | 0.204 | B(E1)(W.u.)=8.E-5 3, α=0.204, α(K)=0.1607 23, α(L)=0.0326 5, α(M)=0.00780 11, α(N)=0.00202 3, α(O)=0.000435 7, α(P)=6.37E-5 9, α(Q)=2.54E-6 4 | ||
3/2+ | 38 ps 12 | 144.4 3 | [M1+E2] | 3.5 | α=3.5 16, α(K)=2.2 19, α(L)=0.97 23, α(M)=0.250 74, α(N)=0.066 20, α(O)=0.0140 37, α(P)=0.0020 4, α(Q)=5.2×10-5 42 | ||
164.95 | 5/2+ | 49 ps 8 | 20.63 | [M1+E2] | 9.4×103 | α=9.4×103 92, α(L)=7.0×10+3 68, α(M)=1.9E+3 19, α(N)=4.9E+2 48, α(O)=1.01E+2 98, α(P)=13 13, α(Q)=0.0274 6 | |
5/2+ | 49 ps 8 | 98.53 10 | M1 | 2.94 | B(M1)(W.u.)=0.008 3, α=2.94, α(L)=2.23 4, α(M)=0.533 8, α(N)=0.1397 20, α(O)=0.0312 5, α(P)=0.00501 8, α(Q)=0.000280 4 | ||
5/2+ | 49 ps 8 | 124.6 4 | [M1,E2] | 5.6 | α=5.6 21, α(K)=3.2 30, α(L)=1.73 60, α(M)=0.45 18, α(N)=0.118 48, α(O)=0.0251 93, α(P)=0.00350 96, α(Q)=7.9×10-5 64 | ||
5/2+ | 49 ps 8 | 132.95 5 | M1 | 6.37 | B(M1)(W.u.)=0.015 3, α=6.37, α(K)=5.13 8, α(L)=0.943 14, α(M)=0.225 4, α(N)=0.0589 9, α(O)=0.01317 19, α(P)=0.00211 3, α(Q)=0.0001179 17 | ||
5/2+ | 49 ps 8 | 162.17 8 | E1 | 0.1462 | B(E1)(W.u.)=0.00022 4, α=0.1462, α(K)=0.1160 17, α(L)=0.0229 4, α(M)=0.00547 8, α(N)=0.001419 20, α(O)=0.000307 5, α(P)=4.53E-5 7, α(Q)=1.87E-6 3 | ||
5/2+ | 49 ps 8 | 165.3 5 | [E2] | 1.123 | B(E2)(W.u.)=11 3, α=1.123 21, α(K)=0.233 4, α(L)=0.656 13, α(M)=0.177 4, α(N)=0.0464 9, α(O)=0.00966 19, α(P)=0.001268 25, α(Q)=7.22E-6 12 | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
224.07 | 3/2-,5/2- | < 36 ps | 128.78 5 | M1 | 6.97 | α=6.97, α(K)=5.61 8, α(L)=1.033 15, α(M)=0.246 4, α(N)=0.0645 9, α(O)=0.01443 21, α(P)=0.00231 4, α(Q)=0.0001292 19 | |
3/2-,5/2- | < 36 ps | 157.90 10 | [E1] | 0.1560 | α=0.1560, α(K)=0.1237 18, α(L)=0.0245 4, α(M)=0.00587 9, α(N)=0.001520 22, α(O)=0.000328 5, α(P)=4.84×10-5 7, α(Q)=1.98E-6 3 | ||
3/2-,5/2- | < 36 ps | 192.06 5 | [E1] | 0.0971 | α=0.0971, α(K)=0.0776 11, α(L)=0.01487 21, α(M)=0.00355 5, α(N)=0.000921 13, α(O)=0.000200 3, α(P)=2.98×10-5 5, α(Q)=1.275E-6 18 | ||
306.49 | 3/2+ | < 24 ps | 141.53 5 | M1 | 5.33 | α=5.33, α(K)=4.29 6, α(L)=0.788 11, α(M)=0.188 3, α(N)=0.0493 7, α(O)=0.01101 16, α(P)=0.001766 25, α(Q)=9.86×10-5 14 | |
3/2+ | < 24 ps | 162.22 8 | M1 | 3.62 | α=3.62, α(K)=2.92 5, α(L)=0.534 8, α(M)=0.1273 18, α(N)=0.0334 5, α(O)=0.00746 11, α(P)=0.001196 17, α(Q)=6.68×10-5 10 | ||
3/2+ | < 24 ps | 210.76 10 | [E1] | 0.0778 | α=0.0778, α(K)=0.0623 9, α(L)=0.01177 17, α(M)=0.00281 4, α(N)=0.000729 11, α(O)=0.0001584 23, α(P)=2.38×10-5 4, α(Q)=1.037E-6 15 | ||
3/2+ | < 24 ps | 240.3 5 | [M1+E2] | 0.75 | α=0.75 46, α(K)=0.54 43, α(L)=0.155 22, α(M)=0.039 4, α(N)=0.0102 9, α(O)=0.0022 3, α(P)=0.00033 7, α(Q)=1.24×10-5 96 | ||
3/2+ | < 24 ps | 266.55 5 | M1+E2 | 1.0 3 | 0.56 | α=0.56 12, α(K)=0.41 11, α(L)=0.110 8, α(M)=0.0274 15, α(N)=0.0072 4, α(O)=0.00157 10, α(P)=0.000235 21, α(Q)=9.4×10-6 25 | |
3/2+ | < 24 ps | 303.74 5 | (E1) | 0.0333 | α=0.0333, α(K)=0.0269 4, α(L)=0.00484 7, α(M)=0.001149 16, α(N)=0.000299 5, α(O)=6.54×10-5 10, α(P)=1.000E-5 14, α(Q)=4.68E-7 7 | ||
3/2+ | < 24 ps | 306.53 5 | M1 | 0.613 | α=0.613, α(K)=0.495 7, α(L)=0.0897 13, α(M)=0.0214 3, α(N)=0.00560 8, α(O)=0.001251 18, α(P)=0.000201 3, α(Q)=1.120×10-5 16 | ||
330.77 | 267.81 10 | M1(+E2) | 0.3 AP | 0.833 | α0.833 AP, α(K)≈0.666, α(L)≈0.1268, α(M)≈0.0304, α(N)≈0.00796, α(O)≈0.001774, α(P)≈0.000282, α(Q)≈1.512×10-5 | ||
418.95 | 3/2-,5/2- | < 29 ps | 112.38 10 | [E1] | 0.356 | α=0.356, α(K)=0.277 4, α(L)=0.0596 9, α(M)=0.01432 21, α(N)=0.00370 6, α(O)=0.000791 12, α(P)=0.0001139 17, α(Q)=4.27×10-6 6 | |
3/2-,5/2- | < 29 ps | 194.95 5 | M1+E2 | 0.9 3 | 1.5 | α=1.5 3, α(K)=1.04 29, α(L)=0.319 5, α(M)=0.0803 23, α(N)=0.0211 6, α(O)=0.00456 9, α(P)=0.000672 19, α(Q)=2.40×10-5 64 | |
3/2-,5/2- | < 29 ps | 253.85 10 | [E1] | 0.0502 | α=0.0502, α(K)=0.0404 6, α(L)=0.00744 11, α(M)=0.001770 25, α(N)=0.000460 7, α(O)=0.0001004 14, α(P)=1.521×10-5 22, α(Q)=6.89E-7 10 | ||
3/2-,5/2- | < 29 ps | 379.05 5 | [E1] | 0.0204 | α=0.0204, α(K)=0.01656 24, α(L)=0.00290 4, α(M)=0.000687 10, α(N)=0.000179 3, α(O)=3.93×10-5 6, α(P)=6.07E-6 9, α(Q)=2.95E-7 5 | ||
3/2-,5/2- | < 29 ps | 387.03 5 | [E1] | 0.0195 | α=0.0195, α(K)=0.01584 23, α(L)=0.00277 4, α(M)=0.000655 10, α(N)=0.0001706 24, α(O)=3.75×10-5 6, α(P)=5.79E-6 9, α(Q)=2.82E-7 4 | ||
3/2-,5/2- | < 29 ps | 416.16 5 | [M1+E2] | 0.16 | α=0.16 11, α(K)=0.126 91, α(L)=0.028 11, α(M)=0.0068 25, α(N)=0.00179 64, α(O)=3.9×10-4 15, α(P)=6.1E-5 26, α(Q)=2.8E-6 21 | ||
427.73 | 295.54 10 | M1 | 0.678 | α=0.678, α(K)=0.548 8, α(L)=0.0993 14, α(M)=0.0236 4, α(N)=0.00619 9, α(O)=0.001384 20, α(P)=0.000222 4, α(Q)=1.239×10-5 18 | |||
534.63 | (3/2)- | 369.5 5 | [E1] | 0.0215 | α=0.0215, α(K)=0.0175 3, α(L)=0.00307 5, α(M)=0.000728 11, α(N)=0.000190 3, α(O)=4.16×10-5 6, α(P)=6.42E-6 10, α(Q)=3.10E-7 5 | ||
(3/2)- | 468.4 5 | [E1] | 0.01303 | α=0.01303, α(K)=0.01064 15, α(L)=0.00182 3, α(M)=0.000430 6, α(N)=0.0001120 16, α(O)=2.47×10-5 4, α(P)=3.84E-6 6, α(Q)=1.92E-7 3 | |||
(3/2)- | 502.88 10 | (E1) | 0.01126 | α=0.01126, α(K)=0.00921 13, α(L)=0.001564 22, α(M)=0.000369 6, α(N)=9.61×10-5 14, α(O)=2.12E-5 3, α(P)=3.31E-6 5, α(Q)=1.675E-7 24 | |||
(3/2)- | 531.87 5 | M1 | 0.1383 | α=0.1383, α(K)=0.1120 16, α(L)=0.0200 3, α(M)=0.00475 7, α(N)=0.001246 18, α(O)=0.000279 4, α(P)=4.47×10-5 7, α(Q)=2.50E-6 4 | |||
(3/2)- | 534.52 10 | [E1] | 0.00996 | α=0.00996, α(K)=0.00815 12, α(L)=0.001376 20, α(M)=0.000324 5, α(N)=8.45×10-5 12, α(O)=1.87E-5 3, α(P)=2.92E-6 4, α(Q)=1.489E-7 21 | |||
579.96 | 1/2-,3/2-,5/2- | 520.86 10 | M1 | 0.1462 | α=0.1462, α(K)=0.1184 17, α(L)=0.0212 3, α(M)=0.00503 7, α(N)=0.001318 19, α(O)=0.000295 5, α(P)=4.73×10-5 7, α(Q)=2.65E-6 4 | ||
675.46 | 3/2+,5/2+ | 510.4 5 | [M1+E2] | 0.095 | α=0.095 60, α(K)=0.074 51, α(L)=0.0155 69, α(M)=0.0038 16, α(N)=9.9×10-4 41, α(O)=2.18E-4 93, α(P)=3.4E-5 16, α(Q)=1.7E-6 12 | ||
3/2+,5/2+ | 643.51 5 | M1 | 0.0835 | α=0.0835, α(K)=0.0676 10, α(L)=0.01203 17, α(M)=0.00285 4, α(N)=0.000748 11, α(O)=0.0001672 24, α(P)=2.69×10-5 4, α(Q)=1.505E-6 21 | |||
3/2+,5/2+ | 672.71 5 | [E1] | 0.00635 | α=0.00635, α(K)=0.00522 8, α(L)=0.000862 12, α(M)=0.000203 3, α(N)=5.28×10-5 8, α(O)=1.171E-5 17, α(P)=1.84E-6 3, α(Q)=9.67E-8 14 | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
686.23 | 3/2+ | 623.6 3 | [E1] | 0.00735 | α=0.00735, α(K)=0.00603 9, α(L)=0.001003 14, α(M)=0.000236 4, α(N)=6.15×10-5 9, α(O)=1.362E-5 20, α(P)=2.14E-6 3, α(Q)=1.112E-7 16 | ||
3/2+ | 686.22 5 | M1 | 0.0704 | α=0.0704, α(K)=0.0571 8, α(L)=0.01014 15, α(M)=0.00241 4, α(N)=0.000630 9, α(O)=0.0001409 20, α(P)=2.26×10-5 4, α(Q)=1.269E-6 18 | |||
689.09 | (3/2+,5/2+) | 593.8 2 | [E1] | 0.00809 | α=0.00809, α(K)=0.00663 10, α(L)=0.001108 16, α(M)=0.000261 4, α(N)=6.80×10-5 10, α(O)=1.504E-5 21, α(P)=2.36E-6 4, α(Q)=1.219E-7 17 | ||
(3/2+,5/2+) | 655.3 2 | [E1] | 0.00668 | α=0.00668, α(K)=0.00549 8, α(L)=0.000908 13, α(M)=0.000214 3, α(N)=5.57×10-5 8, α(O)=1.233E-5 18, α(P)=1.94E-6 3, α(Q)=1.015E-7 15 | |||
892.83 | (3/2,5/2)+ | 586.16 10 | M1 | 0.1068 | α=0.1068, α(K)=0.0865 13, α(L)=0.01543 22, α(M)=0.00366 6, α(N)=0.000960 14, α(O)=0.000215 3, α(P)=3.45×10-5 5, α(Q)=1.93E-6 3 | ||
904.10 | 3/2+,5/2+ | 485.16 5 | [E1] | 0.01212 | α=0.01212, α(K)=0.00990 14, α(L)=0.001688 24, α(M)=0.000398 6, α(N)=0.0001038 15, α(O)=2.29×10-5 4, α(P)=3.57E-6 5, α(Q)=1.80E-7 3 | ||
3/2+,5/2+ | 597.57 5 | M1 | 0.1015 | α=0.1015, α(K)=0.0822 12, α(L)=0.01465 21, α(M)=0.00348 5, α(N)=0.000912 13, α(O)=0.000204 3, α(P)=3.27×10-5 5, α(Q)=1.83E-6 3 | |||
3/2+,5/2+ | 680.06 10 | [E1] | 0.00622 | α=0.00622, α(K)=0.00512 8, α(L)=0.000844 12, α(M)=0.000198 3, α(N)=5.17×10-5 8, α(O)=1.146E-5 16, α(P)=1.80E-6 3, α(Q)=9.48E-8 14 | |||
3/2+,5/2+ | 739.16 5 | M1 | 0.0579 | α=0.0579, α(K)=0.0470 7, α(L)=0.00832 12, α(M)=0.00197 3, α(N)=0.000517 8, α(O)=0.0001157 17, α(P)=1.86×10-5 3, α(Q)=1.043E-6 15 | |||
3/2+,5/2+ | 759.97 5 | M1 | 0.0539 | α=0.0539, α(K)=0.0437 7, α(L)=0.00773 11, α(M)=0.00183 3, α(N)=0.000481 7, α(O)=0.0001075 15, α(P)=1.726×10-5 25, α(Q)=9.69E-7 14 | |||
3/2+,5/2+ | 901.38 10 | [E1] | 0.00369 | α=0.00369, α(K)=0.00305 5, α(L)=0.000491 7, α(M)=0.0001151 17, α(N)=3.00×10-5 5, α(O)=6.67E-6 10, α(P)=1.058E-6 15, α(Q)=5.72E-8 8 | |||
949.00 | (3/2,5/2)- | 529.90 10 | [M1+E2] | 0.086 | α=0.086 54, α(K)=0.067 46, α(L)=0.0140 63, α(M)=0.0034 15, α(N)=8.9×10-4 37, α(O)=1.96E-4 85, α(P)=3.1E-5 15, α(Q)=1.5E-6 11 | ||
(3/2,5/2)- | 724.95 5 | M1 | 0.0610 | α=0.0610, α(K)=0.0494 7, α(L)=0.00876 13, α(M)=0.00208 3, α(N)=0.000545 8, α(O)=0.0001218 17, α(P)=1.96×10-5 3, α(Q)=1.098E-6 16 | |||
(3/2,5/2)- | 804.96 5 | [E1] | 0.00454 | α=0.00454, α(K)=0.00374 6, α(L)=0.000608 9, α(M)=0.0001427 20, α(N)=3.72×10-5 6, α(O)=8.26E-6 12, α(P)=1.305E-6 19, α(Q)=6.99E-8 10 | |||
(3/2,5/2)- | 853.17 10 | [M1,E2] | 0.026 | α=0.026 14, α(K)=0.021 12, α(L)=0.0039 18, α(M)=9.3×10-4 42, α(N)=2.4E-4 11, α(O)=5.4E-5 25, α(P)=8.6E-6 41, α(Q)=4.5E-7 27 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 1/2+ | 2.47 m 3 % β- = 100 | μ=+1.50 3 (1985Co24,2014StZZ) %α is negligible (Theory, 1997Mo25). E(level): Kπ=1/2+ Band. |
2.74 | (3/2-) | E(level): Kπ=3/2- Band. | |
31.96 | (5/2+) | E(level): Kπ=1/2+ Band. | |
34.09 | (5/2-) | E(level): Kπ=3/2- Band. | |
39.90 | 3/2+ | 2.7 ns 2 | E(level): Kπ=1/2+ Band. |
62.97 | 1/2- | E(level): Kπ=1/2- Band. | |
87.98 | (7/2-) | E(level): Kπ=3/2- Band. | |
95.40 | 3/2- | E(level): Kπ=1/2- Band. | |
121.45 | (7/2+) | Band assignment is tentative. E(level): Kπ=1/2+ Band. | |
144.16 | 3/2+ | 38 ps 12 | E(level): Kπ=3/2+ Band. |
164.95 | 5/2+ | 49 ps 8 | E(level): Kπ=3/2+ Band. |
330.77 | 267.8γ M1(+E2) to 1/2- suggests Jπ=3/2-. 209.3γ to (7/2+) is inconsistent with this assignment. E(level): 267.8γ M1(+E2) to 1/2- suggests Jπ=3/2-. 209.3γ to (7/2+) is inconsistent with this assignment. |
227Fr evaluated by J. Tuli, S. Deepa, R. Gowrishankar, M. Sainath and K. Vijay Sai.
All data are from 1997Ku20, unless indicated otherwise.
Q-value: S(2n)=10278 18, S(2p)=15290 300 (syst) (2012Wa38)