ADOPTED LEVELS, GAMMAS for 205Rn
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-)=-6400 keV 9 | S(n)= 7811 keV 9 | S(p)= 3123 keV 23 | Q(α)= 6386.5 keV 18 | ||
| Reference: 2017WA10 |
| References: | |||
| A | 205Fr ε decay | B | 209Ra α decay |
| C | 170Er(40Ar,5nγ) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | ABC | 5/2- | 170 s 4 % ε = 75.4 9 % α = 24.6 9 | |||||
| 31.40 15 | A | (3/2-) | 31.4 2 | 100 | [M1] | 0.0 | 5/2- | |
| 387.60 16 | AB | (7/2-) | 356.3 2 387.5 2 | 100 8 69 6 | E2 M1 | 31.40 0.0 | (3/2-) 5/2- | |
| 545.30 20 ? | A | (7/2-,9/2-) | 545.3 2 | 100 | E2 | 0.0 | 5/2- | |
| 596.20 16 | A | (7/2-) | 564.7 2 596.3 2 | 100 41 4 | E2 M1 | 31.40 0.0 | (3/2-) 5/2- | |
| 633.10 20 | AB | (7/2-) | 633.1 2 | 100 | M1+E2 | 0.0 | 5/2- | |
| 657.1 5 | A C | (13/2+) | > 10 s | 657.1 5 | 100 | [M4] | 0.0 | 5/2- |
| 1049.1 3 ? | A | (7/2-,9/2-,11/2-) | 503.8 2 | 100 | E2 | 545.30 | (7/2-,9/2-) | |
| 1157.3 5 | C | (17/2+) | 500.2 1 | 100 | E2 | 657.1 | (13/2+) | |
| 1647.3 6 | C | (21/2+) | 490.0 1 | 100 | E2 | 1157.3 | (17/2+) | |
| 2264.8 6 | C | (25/2+) | 617.5 1 | 100 | E2 | 1647.3 | (21/2+) | |
| 2337.3 6 | C | (21/2+) | 1180.0 1 | 100 | (E2) | 1157.3 | (17/2+) | |
| 2394.3 6 | C | (23/2+) | 129.0 5 746.9 1 | 100 | [M1] | 2264.8 1647.3 | (25/2+) (21/2+) | |
| 2453.8 6 | C | (23/2+) | 116.7 2 | 100 | (M1) | 2337.3 | (21/2+) | |
| 2624.0 6 | C | (25/2+) | 170.2 2 976.6 1 | 46 5 100 9 | (M1) (E2) | 2453.8 1647.3 | (23/2+) (21/2+) | |
| 2640.6 6 | C | (25/2+) | 375.9 1 | 100 | [M1] | 2264.8 | (25/2+) | |
| 2781.9 6 | C | (27/2+) | 157.9 1 328.2 3 | 100 7 49.1 | (M1) [E2] | 2624.0 2453.8 | (25/2+) (23/2+) | |
| 2803.9 6 | C | (27/2+) | 163.6 2 409.5 1 | 25 6 100 | [M1] (E2) | 2640.6 2394.3 | (25/2+) (23/2+) | |
| 2903.1 6 | C | (29/2+) | 121.2 1 | 100 | (M1) | 2781.9 | (27/2+) | |
| 2933.8 6 | C | (29/2+) | 669.0 1 | 100 | E2 | 2264.8 | (25/2+) | |
| 3151.1 6 | C | (31/2+) | 248.0 1 | 100 | (M1) | 2903.1 | (29/2+) | |
| 3244.1 6 | C | (31/2+) | 440.2 1 | 100 | [E2] | 2803.9 | (27/2+) | |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 3499.3 6 | C | (33/2+) | 565.5 1 | 100 | (E2) | 2933.8 | (29/2+) | |
| 3518.8 6 | C | (33/2+) | 367.7 1 | 100 | (M1) | 3151.1 | (31/2+) | |
| 3821.2 6 | C | (35/2+) | 302.4 1 | 100 | (M1) | 3518.8 | (33/2+) | |
| 4109.4 6 | C | (37/2+) | 288.2 1 | 100 | (M1) | 3821.2 | (35/2+) | |
| 4187.7 5 ? | C | (37/2+) | 688.7 2 ? | 100 | [E2] | 3499.3 | (33/2+) | |
| 4247.3 6 | C | (37/2+) | 426.1 1 | 100 | [M1] | 3821.2 | (35/2+) | |
| 4310.7 6 | C | (39/2+) | 201.3 1 | 100 | (M1) | 4109.4 | (37/2+) | |
| 4716.5 6 | C | (41/2+) | 405.8 1 | 100 | [M1] | 4310.7 | (39/2+) | |
E(level): From a least-squares fit to Eγ
Jπ(level): From the deduced γ-ray transition multipolarities and multiple decay branches
M(γ): From the measured angular distributions, DCO ratios and the apparent band structures in 170Er(40Ar,5nγ), and α(K)exp in 205Fr ε decay
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |||||||
| 2337.3 6 | (21/2+) | ||||||
| 2453.8 6 | (23/2+) | 116.7 2 | 100 | (M1) | 2337.3 | (21/2+) | |
| 2624.0 6 | (25/2+) | 170.2 2 976.6 1 | 46 5 100 9 | (M1) (E2) | 2453.8 1647.3 | (23/2+) (21/2+) | |
| 2781.9 6 | (27/2+) | 157.9 1 328.2 3 | 100 7 49.1 | (M1) [E2] | 2624.0 2453.8 | (25/2+) (23/2+) | |
| 2903.1 6 | (29/2+) | 121.2 1 | 100 | (M1) | 2781.9 | (27/2+) | |
| 3151.1 6 | (31/2+) | 248.0 1 | 100 | (M1) | 2903.1 | (29/2+) | |
| 3518.8 6 | (33/2+) | 367.7 1 | 100 | (M1) | 3151.1 | (31/2+) | |
| 3821.2 6 | (35/2+) | 302.4 1 | 100 | (M1) | 3518.8 | (33/2+) | |
| 4109.4 6 | (37/2+) | 288.2 1 | 100 | (M1) | 3821.2 | (35/2+) | |
| 4310.7 6 | (39/2+) | 201.3 1 | 100 | (M1) | 4109.4 | (37/2+) | |
| 4716.5 6 | (41/2+) | 405.8 1 | 100 | [M1] | 4310.7 | (39/2+) | |
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 2 - Structure associated with the 2394-keV level | |||||||
| 2394.3 6 | (23/2+) | ||||||
| 2640.6 6 | (25/2+) | 375.9 1 | 100 | [M1] | 2264.8 | (25/2+) | |
| 2803.9 6 | (27/2+) | 163.6 2 409.5 1 | 25 6 100 | [M1] (E2) | 2640.6 2394.3 | (25/2+) (23/2+) | |
| 3244.1 6 | (31/2+) | 440.2 1 | 100 | [E2] | 2803.9 | (27/2+) | |
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
| 31.40 | (3/2-) | 31.4 2 | [M1] | 76.1 | α=76.1 18, α(L)=57.8 14, α(M)=13.8 4, α(N)=3.59 9, α(O)=0.786 19, α(P)=0.115 3 | ||
| 387.60 | (7/2-) | 356.3 2 | E2 | 0.0840 | α=0.0840, α(K)=0.0476 7, α(L)=0.0271 4, α(M)=0.00704 10, α(N)=0.00183 3, α(O)=0.000380 6, α(P)=4.65×10-5 7 | ||
| (7/2-) | 387.5 2 | M1 | 0.297 | α=0.297, α(K)=0.241 4, α(L)=0.0429 6, α(M)=0.01017 15, α(N)=0.00265 4, α(O)=0.000580 9, α(P)=8.47×10-5 12 | |||
| 545.30 | (7/2-,9/2-) | 545.3 2 | E2 | 0.0287 | α=0.0287, α(K)=0.0199 3, α(L)=0.00662 10, α(M)=0.001672 24, α(N)=0.000435 7, α(O)=9.17×10-5 13, α(P)=1.192E-5 17 | ||
| 596.20 | (7/2-) | 564.7 2 | E2 | 0.0265 | α=0.0265, α(K)=0.0186 3, α(L)=0.00597 9, α(M)=0.001503 21, α(N)=0.000391 6, α(O)=8.25×10-5 12, α(P)=1.078E-5 16 | ||
| (7/2-) | 596.3 2 | M1 | 0.0939 | α=0.0939, α(K)=0.0763 11, α(L)=0.01343 19, α(M)=0.00318 5, α(N)=0.000828 12, α(O)=0.000181 3, α(P)=2.65×10-5 4 | |||
| 633.10 | (7/2-) | 633.1 2 | M1+E2 | 1.8 4 | 0.035 | α=0.035 6, α(K)=0.027 6, α(L)=0.0060 8, α(M)=0.00146 17, α(N)=0.00038 5, α(O)=8.2×10-5 10, α(P)=1.13E-5 16 | |
| 657.1 | (13/2+) | > 10 s | 657.1 5 | [M4] | α(K)=0.586 9, α(L)=0.224 4, α(M)=0.0593 9, α(N)=0.01571 23, α(O)=0.00337 5, α(P)=0.000458 7 | ||
| 1049.1 | (7/2-,9/2-,11/2-) | 503.8 2 | E2 | 0.0345 | α=0.0345, α(K)=0.0233 4, α(L)=0.00844 12, α(M)=0.00214 3, α(N)=0.000558 8, α(O)=0.0001171 17, α(P)=1.506×10-5 22 | ||
| 1157.3 | (17/2+) | 500.2 1 | E2 | 0.0351 | α=0.0351, α(K)=0.0236 4, α(L)=0.00863 12, α(M)=0.00219 3, α(N)=0.000571 8, α(O)=0.0001198 17, α(P)=1.539×10-5 22 | ||
| 1647.3 | (21/2+) | 490.0 1 | E2 | 0.0369 | α=0.0369, α(K)=0.0246 4, α(L)=0.00921 13, α(M)=0.00234 4, α(N)=0.000610 9, α(O)=0.0001279 18, α(P)=1.639×10-5 23 | ||
| 2264.8 | (25/2+) | 617.5 1 | E2 | 0.0217 | α=0.0217, α(K)=0.01561 22, α(L)=0.00461 7, α(M)=0.001152 17, α(N)=0.000300 5, α(O)=6.35×10-5 9, α(P)=8.39E-6 12 | ||
| 2337.3 | (21/2+) | 1180.0 1 | (E2) | 0.00593 | α=0.00593, α(K)=0.00471 7, α(L)=0.000928 13, α(M)=0.000223 4, α(N)=5.80×10-5 9, α(O)=1.253E-5 18, α(P)=1.766E-6 25 | ||
| 2394.3 | (23/2+) | 746.9 1 | [M1] | 0.0519 | α=0.0519, α(K)=0.0422 6, α(L)=0.00738 11, α(M)=0.001746 25, α(N)=0.000455 7, α(O)=9.96×10-5 14, α(P)=1.457E-5 21 | ||
| 2453.8 | (23/2+) | 116.7 2 | (M1) | 8.46 | α=8.46, α(K)=6.83 11, α(L)=1.245 19, α(M)=0.296 5, α(N)=0.0771 12, α(O)=0.0169 3, α(P)=0.00246 4 | ||
| 2624.0 | (25/2+) | 170.2 2 | (M1) | 2.90 | α=2.90, α(K)=2.34 4, α(L)=0.423 6, α(M)=0.1005 15, α(N)=0.0262 4, α(O)=0.00573 9, α(P)=0.000837 12 | ||
| (25/2+) | 976.6 1 | (E2) | 0.00851 | α=0.00851, α(K)=0.00663 10, α(L)=0.001421 20, α(M)=0.000345 5, α(N)=8.97×10-5 13, α(O)=1.93E-5 3, α(P)=2.68E-6 4 | |||
| 2640.6 | (25/2+) | 375.9 1 | [M1] | 0.323 | α=0.323, α(K)=0.262 4, α(L)=0.0466 7, α(M)=0.01105 16, α(N)=0.00288 4, α(O)=0.000630 9, α(P)=9.20×10-5 13 | ||
| 2781.9 | (27/2+) | 157.9 1 | (M1) | 3.58 | α=3.58, α(K)=2.89 4, α(L)=0.524 8, α(M)=0.1244 18, α(N)=0.0324 5, α(O)=0.00710 10, α(P)=0.001036 15 | ||
| (27/2+) | 328.2 3 | [E2] | 0.1059 | α=0.1059, α(K)=0.0567 8, α(L)=0.0366 6, α(M)=0.00956 14, α(N)=0.00249 4, α(O)=0.000514 8, α(P)=6.23×10-5 9 | |||
| 2803.9 | (27/2+) | 163.6 2 | [M1] | 3.24 | α=3.24, α(K)=2.62 4, α(L)=0.473 7, α(M)=0.1125 17, α(N)=0.0293 5, α(O)=0.00641 10, α(P)=0.000937 14 | ||
| (27/2+) | 409.5 1 | (E2) | 0.0578 | α=0.0578, α(K)=0.0355 5, α(L)=0.01661 24, α(M)=0.00428 6, α(N)=0.001115 16, α(O)=0.000232 4, α(P)=2.90×10-5 4 | |||
| 2903.1 | (29/2+) | 121.2 1 | (M1) | 7.60 | α=7.60, α(K)=6.13 9, α(L)=1.116 16, α(M)=0.265 4, α(N)=0.0691 10, α(O)=0.01513 22, α(P)=0.00221 4 | ||
| 2933.8 | (29/2+) | 669.0 1 | E2 | 0.0183 | α=0.0183, α(K)=0.01339 19, α(L)=0.00369 6, α(M)=0.000916 13, α(N)=0.000239 4, α(O)=5.06×10-5 7, α(P)=6.76E-6 10 | ||
| 3151.1 | (31/2+) | 248.0 1 | (M1) | 1.010 | α=1.010, α(K)=0.817 12, α(L)=0.1468 21, α(M)=0.0348 5, α(N)=0.00908 13, α(O)=0.00199 3, α(P)=0.000290 4 | ||
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
| 3244.1 | (31/2+) | 440.2 1 | [E2] | 0.0480 | α=0.0480, α(K)=0.0306 5, α(L)=0.01303 19, α(M)=0.00334 5, α(N)=0.000870 13, α(O)=0.000182 3, α(P)=2.29×10-5 4 | ||
| 3499.3 | (33/2+) | 565.5 1 | (E2) | 0.0264 | α=0.0264, α(K)=0.0185 3, α(L)=0.00594 9, α(M)=0.001496 21, α(N)=0.000390 6, α(O)=8.22×10-5 12, α(P)=1.073E-5 15 | ||
| 3518.8 | (33/2+) | 367.7 1 | (M1) | 0.343 | α=0.343, α(K)=0.278 4, α(L)=0.0495 7, α(M)=0.01173 17, α(N)=0.00306 5, α(O)=0.000669 10, α(P)=9.78×10-5 14 | ||
| 3821.2 | (35/2+) | 302.4 1 | (M1) | 0.584 | α=0.584, α(K)=0.473 7, α(L)=0.0847 12, α(M)=0.0201 3, α(N)=0.00523 8, α(O)=0.001145 16, α(P)=0.0001673 24 | ||
| 4109.4 | (37/2+) | 288.2 1 | (M1) | 0.667 | α=0.667, α(K)=0.540 8, α(L)=0.0967 14, α(M)=0.0229 4, α(N)=0.00598 9, α(O)=0.001308 19, α(P)=0.000191 3 | ||
| 4187.7 | (37/2+) | 688.7 2 | [E2] | 0.01719 | α=0.01719, α(K)=0.01267 18, α(L)=0.00341 5, α(M)=0.000845 12, α(N)=0.000220 3, α(O)=4.68×10-5 7, α(P)=6.26E-6 9 | ||
| 4247.3 | (37/2+) | 426.1 1 | [M1] | 0.230 | α=0.230, α(K)=0.187 3, α(L)=0.0331 5, α(M)=0.00785 11, α(N)=0.00205 3, α(O)=0.000448 7, α(P)=6.54×10-5 10 | ||
| 4310.7 | (39/2+) | 201.3 1 | (M1) | 1.81 | α=1.81, α(K)=1.461 21, α(L)=0.263 4, α(M)=0.0625 9, α(N)=0.01630 23, α(O)=0.00357 5, α(P)=0.000521 8 | ||
| 4716.5 | (41/2+) | 405.8 1 | [M1] | 0.263 | α=0.263, α(K)=0.213 3, α(L)=0.0378 6, α(M)=0.00897 13, α(N)=0.00234 4, α(O)=0.000511 8, α(P)=7.47×10-5 11 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 31.40 | (3/2-) | E(level): configuration=ν(p3/2-1). | |
| 657.1 | (13/2+) | > 10 s | XREF: α(?). E(level): configuration=ν(i13/2-1). |
| 1157.3 | (17/2+) | E(level): configuration=ν(f5/2-1). | |
| 1647.3 | (21/2+) | E(level): configuration=ν(f5/2-1). | |
| 2264.8 | (25/2+) | E(level): configuration=ν(f5/2-1). | |
| 2337.3 | (21/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 2394.3 | (23/2+) | E(level): Structure associated with the 2394-keV level. | |
| 2453.8 | (23/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 2624.0 | (25/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 2640.6 | (25/2+) | E(level): Structure associated with the 2394-keV level. | |
| 2781.9 | (27/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 2803.9 | (27/2+) | E(level): Structure associated with the 2394-keV level. | |
| 2903.1 | (29/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 2933.8 | (29/2+) | E(level): configuration=ν(f5/2-1). | |
| 3151.1 | (31/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 3244.1 | (31/2+) | E(level): Structure associated with the 2394-keV level. | |
| 3499.3 | (33/2+) | E(level): configuration=ν(f5/2-1). | |
| 3518.8 | (33/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 3821.2 | (35/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 4109.4 | (37/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 4187.7 | (37/2+) | E(level): configuration=ν(f5/2-1). | |
| 4310.7 | (39/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. | |
| 4716.5 | (41/2+) | E(level): Configuration=ν(i13/2-1)#π(i13/2+2), weakly oblate band. |
| E(level) | E(gamma) | Comments |
| 31.40 | 31.4 | E(γ): From 205Fr ε decay I(γ): From 205Fr ε decay |
| 387.60 | 356.3 | E(γ): From 205Fr ε decay I(γ): From 205Fr ε decay M(γ): α(K)exp=0.048 11 in 205Fr ε decay (2010De04) | 387.5 | E(γ): From 205Fr ε decay I(γ): From 205Fr ε decay M(γ): α(K)exp=0.205 40 in 205Fr ε decay (2010De04) |
| 545.30 | 545.3 | E(γ): From 205Fr ε decay I(γ): From 205Fr ε decay M(γ): α(K)exp=0.016 7 in 205Fr ε decay (2010De04) |
| 596.20 | 564.7 | E(γ): From 205Fr ε decay I(γ): From 205Fr ε decay M(γ): α(K)exp=0.022 3 in 205Fr ε decay (2010De04) | 596.3 | E(γ): From 205Fr ε decay I(γ): From 205Fr ε decay M(γ): α(K)exp=0.069 9 in 205Fr ε decay (2010De04) |
| 633.10 | 633.1 | E(γ): From 205Fr ε decay I(γ): From 205Fr ε decay M(γ): α(K)exp=0.027 3 in 205Fr ε decay (2010De04) |
| 657.1 | 657.1 | E(γ): From 205Fr ε decay (2010De04), based on the observed 558.7-keV ce line in coincidence with the Rn X rays.. From 205Fr ε decay I(γ): From 205Fr ε decay |
| 1049.1 | 503.8 | E(γ): From 205Fr ε decay I(γ): From 205Fr ε decay M(γ): α(K)exp=0.022 5 in 205Fr ε decay (2010De04) |
| 1157.3 | 500.2 | M(γ): DCO=1.09 7. |
| 1647.3 | 490.0 | M(γ): DCO=1.09 7. |
| 2264.8 | 617.5 | M(γ): DCO=1.10 8. |
| 2337.3 | 1180.0 | M(γ): DCO=1.4 4. |
| 2394.3 | 746.9 | M(γ): DCO=1.0 2. |
| 2453.8 | 116.7 | M(γ): DCO=1.2 9; A2=-0.37. |
| 2624.0 | 170.2 | M(γ): DCO=1.3 5; A2=-0.13. | 976.6 | M(γ): DCO=1.3 2. |
| 2781.9 | 157.9 | M(γ): DCO=0.72 16; A2=-0.27. |
| 2803.9 | 409.5 | M(γ): DCO=0.8 2. |
| 2903.1 | 121.2 | M(γ): DCO=1.4 4; A2=-0.42. |
| 2933.8 | 669.0 | M(γ): DCO=1.04 17. |
| 3151.1 | 248.0 | M(γ): DCO=0.59 9; A2=-0.36. |
| 3244.1 | 440.2 | M(γ): DCO=0.9 2. |
| 3499.3 | 565.5 | M(γ): DCO=1.9 6. |
| 3518.8 | 367.7 | M(γ): DCO=0.81 17; A2=-0.48. |
| E(level) | E(gamma) | Comments |
| 3821.2 | 302.4 | M(γ): DCO=0.61 16; A2=-0.35. |
| 4109.4 | 288.2 | M(γ): A2=-0.34. |
| 4310.7 | 201.3 | M(γ): DCO=0.60 21; A2=-0.26. |