ADOPTED LEVELS, GAMMAS for 215Po
Authors: J.K. Tuli, B. Singh, S. Bhattacharya, S. Dasgupta | Citation: Nucl. Data Sheets 114, 2023 (2013) | Cutoff date: 23-SEP-2013
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=715 keV 7 | S(n)= 4141.8 keV 27 | S(p)= 6629 keV 11 | Q(α)= 7526.3 keV 8 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 215Bi β- decay (7.6 M) | B | 215Bi β- decay (36.9 S) |
| C | 219Rn α decay (3.96 S) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | ABC | 9/2+ | 1.781 ms 5 % α = 99.99977 2 % β- = 2.3×10-4 2 | |||||
| 271.228 10 | A C | 7/2+ | 195 ps 15 | 271.23 1 | 100 | M1+E2 | 0.0 | 9/2+ |
| 293.56 4 | ABC | (11/2)+ | 293.56 4 | 100 | M1 | 0.0 | 9/2+ | |
| 401.812 10 | A C | 5/2+ | 66 ps 7 | 130.60 3 401.81 1 | 2 1 100 3 | M1+E2 E2 | 271.228 0.0 | 7/2+ 9/2+ |
| 517.63 6 | A C | 7/2+,9/2+ | 224.0 7 ? 517.63 6 | 3.2 5 100 5 | M1(+E2) | 293.56 0.0 | (11/2)+ 9/2+ | |
| 608.30 20 | A C | (11/2+,13/2+) | 608.3 2 | 100 | 0.0 | 9/2+ | ||
| 676.64 7 | A C | 383.1 6 405.4 6 676.64 7 | 2.5 4 1.4 3 100 13 | 293.56 271.228 0.0 | (11/2)+ 7/2+ 9/2+ | |||
| 708.1 5 | C | 436.9 6 708.1 8 | 93 7 100 30 | 271.228 0.0 | 7/2+ 9/2+ | |||
| 712.66 21 ? | B | (15/2+) | 419.1 2 | 100 | (E2) | 293.56 | (11/2)+ | |
| 732.7 4 | C | 330.8 4 461.6 8 732.8 10 | 100 11 17 3 7 4 | 401.812 271.228 0.0 | 5/2+ 7/2+ 9/2+ | |||
| 835.32 22 | A C | 542.7 25 564.1 3 835.3 3 | 30 10 90 10 100 10 | 293.56 271.228 0.0 | (11/2)+ 7/2+ 9/2+ | |||
| 877.2 6 | C | 877.2 6 | 100 | 0.0 | 9/2+ | |||
| 891.1 3 | C | 373.5 6 489.3 5 619.9 6 891.1 4 | 33 4 83 11 43 14 100 29 | 517.63 401.812 271.228 0.0 | 7/2+,9/2+ 5/2+ 7/2+ 9/2+ | |||
| 930.1 11 | C | 321.8 10 | 100 | 608.30 | (11/2+,13/2+) | |||
| 1021.07 23 ? | B | (19/2+) | 308.4 1 | 100 | (E2) | 712.66 | (15/2+) | |
| 1073.7 4 | C | (5/2+) | 556.1 10 671.9 6 802.5 6 1073.7 6 | 17 10 67 34 100 33 100 33 | 517.63 401.812 271.228 0.0 | 7/2+,9/2+ 5/2+ 7/2+ 9/2+ | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 1077.6 15 | A | 784 2 806.5 22 | 83 17 100 17 | 293.56 271.228 | (11/2)+ 7/2+ | |||
| 1094.2 10 | C | 576.6 10 | 100 | 517.63 | 7/2+,9/2+ | |||
| 1176.2 20 | A | 905 2 | 100 | 271.228 | 7/2+ | |||
| 1247.37 25 ? | B | (23/2+) | 226.3 1 | 100 | (E2) | 1021.07 | (19/2+) | |
| 1294.53 11 | A | 776.9 1 1023.1 12 1294.5 3 | 100 17 75 8 75 8 | 517.63 271.228 0.0 | 7/2+,9/2+ 7/2+ 9/2+ | |||
| 1398.8 3 | A | 1104.5 5 1127.7 7 1399.2 4 | 100 5 32 5 55 5 | 293.56 271.228 0.0 | (11/2)+ 7/2+ 9/2+ | |||
| 1503.3 5 ? | B | (23/2-) | 255.9 4 | 100 | (E1) | 1247.37 | (23/2+) | |
| 1682.1 6 ? | B | (25/2-) | 178.7 4 | 100 | [M1] | 1503.3 | (23/2-) | |
| 2001.3 5 ? | B | (-) | 319.1 3 498.0 1 | 26 3 100 6 | [M1] [E2] | 1682.1 1503.3 | (25/2-) (23/2-) | |
| 2159.5 6 | B | (-) | 158.2 2 | 100 | [E2] | 2001.3 | (-) | |
E(level): From least-squares fit to Eγ data
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
| 271.228 | 7/2+ | 195 ps 15 | 271.23 1 | M1+E2 | 3.6 +7-5 | 0.207 | B(E2)(W.u.)=20.0 16, B(M1)(W.u.)=0.00032 7, α=0.207 12 |
| 293.56 | (11/2)+ | 293.56 4 | M1 | 0.536 | α=0.536 | ||
| 401.812 | 5/2+ | 66 ps 7 | 130.60 3 | M1+E2 | 0.62 +5-4 | 4.40 | B(E2)(W.u.)=15 8, B(M1)(W.u.)=0.0018 10, α=4.40 11 |
| 5/2+ | 66 ps 7 | 401.81 1 | E2 | 0.0555 | B(E2)(W.u.)=9.2 12, α=0.0555 | ||
| 517.63 | 7/2+,9/2+ | 517.63 6 | M1(+E2) | 0.1162 | α=0.1162 | ||
| 712.66 | (15/2+) | 419.1 2 | (E2) | 0.0497 | α=0.0497 | ||
| 1021.07 | (19/2+) | 308.4 1 | (E2) | 0.1161 | α=0.1161 | ||
| 1247.37 | (23/2+) | 226.3 1 | (E2) | 0.308 | α=0.308 | ||
| 1503.3 | (23/2-) | 255.9 4 | (E1) | 0.0454 | α=0.0454 | ||
| 1682.1 | (25/2-) | 178.7 4 | [M1] | 2.13 | α=2.13 4 | ||
| 2001.3 | (-) | 319.1 3 | [M1] | 0.427 | α=0.427 | ||
| (-) | 498.0 1 | [E2] | 0.0324 | α=0.0324 | |||
| 2159.5 | (-) | 158.2 2 | [E2] | 1.115 | α=1.115 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 9/2+ | 1.781 ms 5 % α = 99.99977 2 % β- = 2.3×10-4 2 | RMS charge radius <r2>1/2=5.627 fm 20; deduced from interpolation of evaluated rms charge radii of 208Po to 216Po (2013An02), with slope kz=0.37 in formula 9 of 2004An14. E(level): Configuration=πh9/22~#νg9/25. |
| 271.228 | 7/2+ | 195 ps 15 | E(level): Configuration=πh9/22~#νg9/25. |
| 293.56 | (11/2)+ | E(level): Configuration=πh9/22~#νg9/24~#νi11/2. | |
| 401.812 | 5/2+ | 66 ps 7 | E(level): Configuration=πh9/22~#νg9/25. |
| 517.63 | 7/2+,9/2+ | E(level): Configuration=πh9/22~#νg9/24~#νi11/2. | |
| 608.30 | (11/2+,13/2+) | E(level): Configuration=πh9/22~#νg9/25. | |
| 712.66 | (15/2+) | E(level): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different. Jπ(level): From 2003Ku26 based on assumed ordering of the cascade in 215Po (36.9 s) β- decay. | |
| 1021.07 | (19/2+) | E(level): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different. Jπ(level): From 2003Ku26 based on assumed ordering of the cascade in 215Po (36.9 s) β- decay. | |
| 1247.37 | (23/2+) | E(level): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different. Jπ(level): From 2003Ku26 based on assumed ordering of the cascade in 215Po (36.9 s) β- decay. | |
| 1503.3 | (23/2-) | E(level): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different. Jπ(level): From 2003Ku26 based on assumed ordering of the cascade in 215Po (36.9 s) β- decay. | |
| 1682.1 | (25/2-) | E(level): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different. Jπ(level): From 2003Ku26 based on assumed ordering of the cascade in 215Po (36.9 s) β- decay. | |
| 2001.3 | (-) | E(level): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different. |
| E(level) | E(gamma) | Comments |
| 676.64 | 383.1 | I(γ): 33 implied in β- decay is in severe disagreement |
| 712.66 | 419.1 | E(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different M(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities |
| 835.32 | 542.7 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) |
| 1021.07 | 308.4 | E(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different M(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities |
| 1077.6 | 784 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) | 806.5 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) |
| 1176.2 | 905 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) |
| 1247.37 | 226.3 | E(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different M(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities |
| 1294.53 | 776.9 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) | 1023.1 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) | 1294.5 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) |
| 1398.8 | 1104.5 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) | 1127.7 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) | 1399.2 | E(γ): From 215Bi β- decay (7.6 min) I(γ): From 215Bi β- decay (7.6 min) |
| 1503.3 | 255.9 | E(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different M(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities |
| 1682.1 | 178.7 | E(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different M(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities |
| 2001.3 | 319.1 | E(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different M(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities | 498.0 | E(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different M(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities |
| 2159.5 | 158.2 | E(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities. The orderings of the 158-319-179 and 498-256-226-308-419 γ cascades are not established, the ones given here is just one of the possibilities, thus the positions of the intermediate levels may be different M(γ): From 215Bi β- decay (36.9 s) decay; but ordering of the 158-319-179 and 256-226-308-419 cascades is not established. The ordering given here is just one of the possibilities |
215Po evaluated by J.K. Tuli, B. Singh, Sudeb Bhattacharya, S. Dasgupta, J.Y. Lee
Q-value: S(2n)=10030 4, S(2p)=11916 7 (2012Wa38)