ADOPTED LEVELS, GAMMAS for 220Th
Authors: E. Browne, J. K. Tuli | Citation: ENSDF | Cutoff date: 30-Nov-2014
Authors: E. Browne, J. K. Tuli | Citation: Nucl. Data Sheets 112, 1115 (2011) | Cutoff date: 31-Oct-2010
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-5549 keV 56 | S(n)= 7875 keV 55 | S(p)= 4190 keV 55 | Q(α)= 8953 keV 20 | ||
Reference: 2012WA38 |
References: | |||
A | 224U α decay | B | 198Pt(26Mg,4nγ) |
C | 208Pb(16O,4nγ) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0 | ABC | 0+ | 9.7 µs 6 % ε = 2×10-7 SY % α = 100 | |||||
386.50 10 | BC | 2+ | 386.5 1 | 100 | E2 | 0 | 0+ | |
759.80 15 | BC | 4+ | 373.3 1 | 100 | E2 | 386.50 | 2+ | |
993.77 17 | BC | 5- | 233.9 1 | 100 | E1 | 759.80 | 4+ | |
1166.03 17 | BC | 6+ | 172.2 1 406.3 1 | 100 1 68 2 | E1 (E2) | 993.77 759.80 | 5- 4+ | |
1328.99 18 | BC | 7- | 162.9 1 335.2 2 | 100 2 32 2 | E1 E2 | 1166.03 993.77 | 6+ 5- | |
1598.16 20 | BC | 8+ | 269.1 1 432.4 2 | 100 2 17.5 6 | E1 E2 | 1328.99 1166.03 | 7- 6+ | |
1718.89 22 | BC | 9- | 120.7 2 389.9 2 | 61 2 100 2 | E1 E2 | 1598.16 1328.99 | 8+ 7- | |
1934.0 11 | B | 8+ | 605 1 ? 768 1 | ≈53 100 5 | (E2) | 1328.99 1166.03 | 7- 6+ | |
2012.73 23 | BC | 10+ | 293.8 1 414.6 2 | 100 2 4.1 3 | E1 (E2) | 1718.89 1598.16 | 9- 8+ | |
2101.6 4 | B | 10(+) | 382.7 3 | 100 | (E1) | 1718.89 | 9- | |
2158.87 24 | BC | 11- | 57.3 4 146.1 1 440.1 2 | ≈11 52 3 100 4 | E1 E2 | 2101.6 2012.73 1718.89 | 10(+) 10+ 9- | |
2345.3 11 | B | 10 | 411.3 4 | 100 | 1934.0 | 8+ | ||
2434.5 4 | BC | 12- | 275.6 3 | 100 5 | (M1) | 2158.87 | 11- | |
2441.9 3 | BC | 12+ | 282.8 2 429.3 3 | 100 4 16 2 | E1 | 2158.87 2012.73 | 11- 10+ | |
2461.5 5 | B | 11 | 359.9 3 | 100 | 2101.6 | 10(+) | ||
2555.2 3 | BC | 13- | 113.3 2 121 1 396.4 3 | 96 5 ≤33 100 5 | (E1) (M1) (E2) | 2441.9 2434.5 2158.87 | 12+ 12- 11- | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2685.8 3 | B | 13- | 243.6 3 527.3 3 | 100 9 93 7 | (E1) (E2) | 2441.9 2158.87 | 12+ 11- | |
2709.7 6 ? | B | (12) | 248.2 4 ? | | 2461.5 | 11 | ||
2885.0 3 | BC | 14+ | 199.2 4 329.7 2 442.8 3 | 27 2 100 6 33 4 | (E1) (E1) (E2) | 2685.8 2555.2 2441.9 | 13- 13- 12+ | |
2900? | C | (14+) | 466? | | [E2] | 2434.5 | 12- | |
2957.7 12 | B | 248 1 ? | | 2709.7 | (12) | |||
3004.8 4 | BC | 15- | 119.6 3 449.7 2 | 13 2 100 4 | (E2) | 2885.0 2555.2 | 14+ 13- | |
3027.2 6 | B | 14- | 592.7 4 | 100 | (E2) | 2434.5 | 12- | |
3203.0 4 | B | 15- | 317.8 3 517.5 4 | 100 10 52 6 | (E2) | 2885.0 2685.8 | 14+ 13- | |
3317.2 6 | B | (15) | 289.9 3 | 100 | 3027.2 | 14- | ||
3376.4 6 | B | 16+ | 173.5 4 ? 371.6 4 491.7 4 ? | 100 5 20 2 | (E1) (E2) | 3203.0 3004.8 2885.0 | 15- 15- 14+ | |
3467.2 5 | BC | 17- | 91.0 3 ? 462.4 3 | 100 | (E2) | 3376.4 3004.8 | 16+ 15- | |
3480.6 5 | B | 277.6 3 | 100 | 3203.0 | 15- | |||
3559.1 7 | B | (16-) | 241.7 3 532.5 5 | 50 20 100 10 | 3317.2 3027.2 | (15) 14- | ||
3681.5 6 | B | 17(-) | 305.1 3 | 100 | (E1) | 3376.4 | 16+ | |
3867.1 6 | B | 18+ | 399.9 4 | 100 | (E1) | 3467.2 | 17- | |
3953.7 6 | BC | 19- | 486.5 3 | 100 | (E2) | 3467.2 | 17- | |
4225.6 7 | B | 20 | 271.9 3 | 100 | 3953.7 | 19- | ||
4319.6 7 | B | 20+ | 365.9 3 452.0 5 ? | 100 14 71 7 | (E1) | 3953.7 3867.1 | 19- 18+ | |
4433.0 7 | B | 21- | 479.3 3 | 100 | (E2) | 3953.7 | 19- | |
4519.9 7 | B | 21- | 199.6 4 ? 566.2 4 | 38 15 100 15 | (E2) | 4319.6 3953.7 | 20+ 19- | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
4716.1 12 ? | B | (22+) | 283 1 ? | | 4433.0 | 21- | ||
4892.0 8 ? | B | (23-) | 458.9 5 ? | 100 | 4433.0 | 21- |
E(level): Deduced by evaluators from least-squares fit to γ-ray energies.
E(level): Deduced by evaluators from least-squares fit to adopted γ-ray energies. The energies of the 2+ to 0+ and 4+ to 2+ transitions in 220Th were previously assigned as 373.3 keV 1 keV and and 386.5 keV 1 (2006Re15), respectively. Based on the observation of (8095α)(386.5γ)-coin, and on the energy of 8095α group relative to that of 8479α, 2014Lo10 suggest that previous assignment is incorrect, and that the ordering of the 373.3- and 386.5-keV transitions should be reversed, thus defining 386.5 keV as the first excited 2+ state in 220Th
Jπ(level): From rotational band structure in addition to arguments given to individual levels.
M(γ): From α(K)exp in 208Pb(16O,4nγ),and γ(θ) in 198Pt(26Mg,4nγ).
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - The GS sequence, s=+1. | |||||||
0 | 0+ | 9.7 µs 6 % ε = 2×10-7 SY % α = 100 | |||||
386.50 10 | 2+ | 386.5 1 | 100 | E2 | 0 | 0+ | |
759.80 15 | 4+ | 373.3 1 | 100 | E2 | 386.50 | 2+ | |
1166.03 17 | 6+ | 172.2 1 406.3 1 | 100 1 68 2 | E1 (E2) | 993.77 759.80 | 5- 4+ | |
1598.16 20 | 8+ | 269.1 1 432.4 2 | 100 2 17.5 6 | E1 E2 | 1328.99 1166.03 | 7- 6+ | |
2012.73 23 | 10+ | 293.8 1 414.6 2 | 100 2 4.1 3 | E1 (E2) | 1718.89 1598.16 | 9- 8+ | |
2441.9 3 | 12+ | 282.8 2 429.3 3 | 100 4 16 2 | E1 | 2158.87 2012.73 | 11- 10+ | |
2885.0 3 | 14+ | 199.2 4 329.7 2 442.8 3 | 27 2 100 6 33 4 | (E1) (E1) (E2) | 2685.8 2555.2 2441.9 | 13- 13- 12+ | |
3376.4 6 | 16+ | 173.5 4 ? 371.6 4 491.7 4 ? | 100 5 20 2 | (E1) (E2) | 3203.0 3004.8 2885.0 | 15- 15- 14+ | |
3867.1 6 | 18+ | 399.9 4 | 100 | (E1) | 3467.2 | 17- | |
4319.6 7 | 20+ | 365.9 3 452.0 5 ? | 100 14 71 7 | (E1) | 3953.7 3867.1 | 19- 18+ | |
4716.1 12 | (22+) | 283 1 ? | | 4433.0 | 21- | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - Yrast sequence based on 5-, s=-1. | |||||||
993.77 17 | 5- | ||||||
1328.99 18 | 7- | 162.9 1 335.2 2 | 100 2 32 2 | E1 E2 | 1166.03 993.77 | 6+ 5- | |
1718.89 22 | 9- | 120.7 2 389.9 2 | 61 2 100 2 | E1 E2 | 1598.16 1328.99 | 8+ 7- | |
2158.87 24 | 11- | 57.3 4 146.1 1 440.1 2 | ≈11 52 3 100 4 | E1 E2 | 2101.6 2012.73 1718.89 | 10(+) 10+ 9- | |
2555.2 3 | 13- | 113.3 2 121 1 396.4 3 | 96 5 ≤33 100 5 | (E1) (M1) (E2) | 2441.9 2434.5 2158.87 | 12+ 12- 11- | |
3004.8 4 | 15- | 119.6 3 449.7 2 | 13 2 100 4 | (E2) | 2885.0 2555.2 | 14+ 13- | |
3467.2 5 | 17- | 91.0 3 ? 462.4 3 | 100 | (E2) | 3376.4 3004.8 | 16+ 15- | |
3953.7 6 | 19- | 486.5 3 | 100 | (E2) | 3467.2 | 17- | |
4433.0 7 | 21- | 479.3 3 | 100 | (E2) | 3953.7 | 19- | |
4892.0 8 | (23-) | 458.9 5 ? | 100 | 4433.0 | 21- | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - Yrare sequence based on 13-. | |||||||
2685.8 3 | 13- | ||||||
3203.0 4 | 15- | 317.8 3 517.5 4 | 100 10 52 6 | (E2) | 2885.0 2685.8 | 14+ 13- | |
3681.5 6 | 17(-) | 305.1 3 | 100 | (E1) | 3376.4 | 16+ | |
4519.9 7 | 21- | 199.6 4 ? 566.2 4 | 38 15 100 15 | (E2) | 4319.6 3953.7 | 20+ 19- | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - Band based on 12- | |||||||
2434.5 4 | 12- | ||||||
3027.2 6 | 14- | 592.7 4 | 100 | (E2) | 2434.5 | 12- | |
3559.1 7 | (16-) | 241.7 3 532.5 5 | 50 20 100 10 | 3317.2 3027.2 | (15) 14- | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 5 - Band based on 10(+) | |||||||
2101.6 4 | 10(+) | ||||||
2461.5 5 | 11 | 359.9 3 | 100 | 2101.6 | 10(+) | ||
2709.7 6 | (12) | 248.2 4 ? | | 2461.5 | 11 | ||
2957.7 12 | 248 1 ? | | 2709.7 | (12) | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 6 - γ-ray sequence. | |||||||
1934.0 11 | 8+ | ||||||
2345.3 11 | 10 | 411.3 4 | 100 | 1934.0 | 8+ |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
386.50 | 2+ | 386.5 1 | E2 | 0.0817 | α=0.0817, α(K)=0.0442 7, α(L)=0.0276 4, α(M)=0.00731 11, α(N)=0.00196 3, α(O)=0.000444 7, α(P)=7.79×10-5 11, α(Q)=2.57E-6 4, α(N+)=0.00248 4 | |
759.80 | 4+ | 373.3 1 | E2 | 0.0897 | α=0.0897, α(K)=0.0473 7, α(L)=0.0313 5, α(M)=0.00829 12, α(N)=0.00222 4, α(O)=0.000504 7, α(P)=8.80×10-5 13, α(Q)=2.78E-6 4, α(N+)=0.00281 4 | |
993.77 | 5- | 233.9 1 | E1 | 0.0655 | α=0.0655, α(K)=0.0521 8, α(L)=0.01014 15, α(M)=0.00244 4, α(N)=0.000644 9, α(O)=0.0001491 21, α(P)=2.76×10-5 4, α(Q)=2.01E-6 3, α(N+)=0.000823 12 | |
1166.03 | 6+ | 172.2 1 | E1 | 0.1345 | α=0.1345, α(K)=0.1058 15, α(L)=0.0217 3, α(M)=0.00524 8, α(N)=0.001383 20, α(O)=0.000318 5, α(P)=5.80×10-5 9, α(Q)=3.92E-6 6, α(N+)=0.001763 25 | |
6+ | 406.3 1 | (E2) | 0.0715 | α=0.0715, α(K)=0.0401 6, α(L)=0.0232 4, α(M)=0.00612 9, α(N)=0.001637 23, α(O)=0.000373 6, α(P)=6.55×10-5 10, α(Q)=2.31E-6 4, α(N+)=0.00208 3 | ||
1328.99 | 7- | 162.9 1 | E1 | 0.1536 | α=0.1536, α(K)=0.1205 17, α(L)=0.0250 4, α(M)=0.00604 9, α(N)=0.001593 23, α(O)=0.000366 6, α(P)=6.65×10-5 10, α(Q)=4.43E-6 7, α(N+)=0.00203 3 | |
7- | 335.2 2 | E2 | 0.1214 | α=0.1214, α(K)=0.0585 9, α(L)=0.0463 7, α(M)=0.01235 18, α(N)=0.00331 5, α(O)=0.000749 11, α(P)=0.0001299 19, α(Q)=3.53×10-6 5, α(N+)=0.00419 6 | ||
1598.16 | 8+ | 269.1 1 | E1 | 0.0475 | α=0.0475, α(K)=0.0379 6, α(L)=0.00723 11, α(M)=0.001735 25, α(N)=0.000459 7, α(O)=0.0001065 15, α(P)=1.98×10-5 3, α(Q)=1.486E-6 21, α(N+)=0.000587 9 | |
8+ | 432.4 2 | E2 | 0.0609 | α=0.0609, α(K)=0.0356 5, α(L)=0.0188 3, α(M)=0.00492 7, α(N)=0.001317 19, α(O)=0.000300 5, α(P)=5.31×10-5 8, α(Q)=2.02E-6 3, α(N+)=0.001673 24 | ||
1718.89 | 9- | 120.7 2 | E1 | 0.314 | α=0.314, α(K)=0.242 4, α(L)=0.0542 8, α(M)=0.01313 20, α(N)=0.00346 5, α(O)=0.000789 12, α(P)=0.0001409 21, α(Q)=8.62×10-6 13, α(N+)=0.00440 7 | |
9- | 389.9 2 | E2 | 0.0798 | α=0.0798, α(K)=0.0435 7, α(L)=0.0268 4, α(M)=0.00708 10, α(N)=0.00190 3, α(O)=0.000431 6, α(P)=7.55×10-5 11, α(Q)=2.52E-6 4, α(N+)=0.00240 4 | ||
1934.0 | 8+ | 768 1 | (E2) | 0.01676 | α=0.01676, α(K)=0.01222 18, α(L)=0.00340 5, α(M)=0.000853 13, α(N)=0.000228 4, α(O)=5.28×10-5 8, α(P)=9.74E-6 14, α(Q)=6.29E-7 9, α(N+)=0.000291 5 | |
2012.73 | 10+ | 293.8 1 | E1 | 0.0390 | α=0.0390, α(K)=0.0312 5, α(L)=0.00587 9, α(M)=0.001408 20, α(N)=0.000373 6, α(O)=8.66×10-5 13, α(P)=1.615E-5 23, α(Q)=1.235E-6 18, α(N+)=0.000477 7 | |
10+ | 414.6 2 | (E2) | 0.0679 | α=0.0679, α(K)=0.0386 6, α(L)=0.0217 3, α(M)=0.00570 8, α(N)=0.001524 22, α(O)=0.000347 5, α(P)=6.11×10-5 9, α(Q)=2.21E-6 3, α(N+)=0.00193 3 | ||
2101.6 | 10(+) | 382.7 3 | (E1) | 0.0219 | α=0.0219, α(K)=0.01766 25, α(L)=0.00321 5, α(M)=0.000767 11, α(N)=0.000203 3, α(O)=4.74×10-5 7, α(P)=8.92E-6 13, α(Q)=7.18E-7 11, α(N+)=0.000260 4 | |
2158.87 | 11- | 146.1 1 | E1 | 0.199 | α=0.199, α(K)=0.1555 22, α(L)=0.0330 5, α(M)=0.00799 12, α(N)=0.00211 3, α(O)=0.000483 7, α(P)=8.72×10-5 13, α(Q)=5.64E-6 8, α(N+)=0.00268 4 | |
11- | 440.1 2 | E2 | 0.0583 | α=0.0583, α(K)=0.0344 5, α(L)=0.01769 25, α(M)=0.00463 7, α(N)=0.001240 18, α(O)=0.000283 4, α(P)=5.00×10-5 7, α(Q)=1.94E-6 3, α(N+)=0.001574 23 | ||
2434.5 | 12- | 275.6 3 | (M1) | 1.064 | α=1.064, α(K)=0.852 13, α(L)=0.1606 23, α(M)=0.0386 6, α(N)=0.01029 15, α(O)=0.00244 4, α(P)=0.000473 7, α(Q)=4.48×10-5 7, α(N+)=0.01324 19 | |
2441.9 | 12+ | 282.8 2 | E1 | 0.0424 | α=0.0424, α(K)=0.0339 5, α(L)=0.00643 9, α(M)=0.001541 22, α(N)=0.000408 6, α(O)=9.47×10-5 14, α(P)=1.763E-5 25, α(Q)=1.338E-6 19, α(N+)=0.000521 8 | |
2555.2 | 13- | 113.3 2 | (E1) | 0.363 | α=0.363, α(K)=0.278 4, α(L)=0.0639 10, α(M)=0.01550 23, α(N)=0.00408 6, α(O)=0.000930 14, α(P)=0.0001653 25, α(Q)=9.92×10-6 15, α(N+)=0.00518 8 | |
13- | 121 1 | (M1) | 10.8 | α=10.8 3, α(K)=8.60 24, α(L)=1.65 5, α(M)=0.397 12, α(N)=0.106 3, α(O)=0.0251 7, α(P)=0.00487 14, α(Q)=0.000463 13, α(N+)=0.136 4 | ||
13- | 396.4 3 | (E2) | 0.0763 | α=0.0763, α(K)=0.0421 6, α(L)=0.0253 4, α(M)=0.00668 10, α(N)=0.00179 3, α(O)=0.000406 6, α(P)=7.13×10-5 11, α(Q)=2.43E-6 4, α(N+)=0.00227 4 | ||
2685.8 | 13- | 243.6 3 | (E1) | 0.0596 | α=0.0596, α(K)=0.0475 7, α(L)=0.00918 14, α(M)=0.00221 4, α(N)=0.000583 9, α(O)=0.0001352 20, α(P)=2.50×10-5 4, α(Q)=1.84E-6 3, α(N+)=0.000745 11 | |
13- | 527.3 3 | (E2) | 0.0377 | α=0.0377, α(K)=0.0244 4, α(L)=0.00988 14, α(M)=0.00255 4, α(N)=0.000683 10, α(O)=0.0001566 23, α(P)=2.81×10-5 4, α(Q)=1.330E-6 19, α(N+)=0.000869 13 | ||
2885.0 | 14+ | 199.2 4 | (E1) | 0.0953 | α=0.0953, α(K)=0.0754 12, α(L)=0.01506 23, α(M)=0.00363 6, α(N)=0.000958 15, α(O)=0.000221 4, α(P)=4.06×10-5 6, α(Q)=2.84E-6 5, α(N+)=0.001223 19 | |
14+ | 329.7 2 | (E1) | 0.0302 | α=0.0302, α(K)=0.0242 4, α(L)=0.00450 7, α(M)=0.001076 16, α(N)=0.000285 4, α(O)=6.63×10-5 10, α(P)=1.242E-5 18, α(Q)=9.72E-7 14, α(N+)=0.000365 6 | ||
14+ | 442.8 3 | (E2) | 0.0574 | α=0.0574, α(K)=0.0340 5, α(L)=0.01733 25, α(M)=0.00454 7, α(N)=0.001214 18, α(O)=0.000277 4, α(P)=4.90×10-5 7, α(Q)=1.92E-6 3, α(N+)=0.001542 22 | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
2900 | (14+) | 466 | [E2] | 0.0506 | α=0.0506, α(K)=0.0308 5, α(L)=0.01464 21, α(M)=0.00382 6, α(N)=0.001022 15, α(O)=0.000233 4, α(P)=4.15×10-5 6, α(Q)=1.721E-6 24, α(N+)=0.001298 19 | |
3004.8 | 15- | 449.7 2 | (E2) | 0.0552 | α=0.0552, α(K)=0.0330 5, α(L)=0.01646 24, α(M)=0.00431 6, α(N)=0.001152 17, α(O)=0.000263 4, α(P)=4.66×10-5 7, α(Q)=1.86E-6 3, α(N+)=0.001463 21 | |
3027.2 | 14- | 592.7 4 | (E2) | 0.0289 | α=0.0289, α(K)=0.0196 3, α(L)=0.00695 10, α(M)=0.00178 3, α(N)=0.000476 7, α(O)=0.0001095 16, α(P)=1.98×10-5 3, α(Q)=1.048E-6 15, α(N+)=0.000606 9 | |
3203.0 | 15- | 517.5 4 | (E2) | 0.0394 | α=0.0394, α(K)=0.0252 4, α(L)=0.01048 15, α(M)=0.00271 4, α(N)=0.000725 11, α(O)=0.0001662 24, α(P)=2.98×10-5 5, α(Q)=1.382E-6 20, α(N+)=0.000922 14 | |
3376.4 | 16+ | 371.6 4 | (E1) | 0.0233 | α=0.0233, α(K)=0.0188 3, α(L)=0.00343 5, α(M)=0.000819 12, α(N)=0.000217 3, α(O)=5.06×10-5 8, α(P)=9.51E-6 14, α(Q)=7.62E-7 11, α(N+)=0.000278 4 | |
16+ | 491.7 4 | (E2) | 0.0444 | α=0.0444, α(K)=0.0278 4, α(L)=0.01231 18, α(M)=0.00320 5, α(N)=0.000855 13, α(O)=0.000196 3, α(P)=3.49×10-5 5, α(Q)=1.537E-6 22, α(N+)=0.001088 16 | ||
3467.2 | 17- | 462.4 3 | (E2) | 0.0515 | α=0.0515, α(K)=0.0313 5, α(L)=0.01502 22, α(M)=0.00392 6, α(N)=0.001048 15, α(O)=0.000240 4, α(P)=4.25×10-5 6, α(Q)=1.749E-6 25, α(N+)=0.001332 19 | |
3681.5 | 17(-) | 305.1 3 | (E1) | 0.0358 | α=0.0358, α(K)=0.0287 4, α(L)=0.00538 8, α(M)=0.001289 19, α(N)=0.000341 5, α(O)=7.93×10-5 12, α(P)=1.481E-5 21, α(Q)=1.141E-6 17, α(N+)=0.000436 7 | |
3867.1 | 18+ | 399.9 4 | (E1) | 0.0200 | α=0.0200, α(K)=0.01611 23, α(L)=0.00291 5, α(M)=0.000696 10, α(N)=0.000184 3, α(O)=4.30×10-5 6, α(P)=8.10E-6 12, α(Q)=6.58E-7 10, α(N+)=0.000236 4 | |
3953.7 | 19- | 486.5 3 | (E2) | 0.0456 | α=0.0456, α(K)=0.0284 4, α(L)=0.01274 18, α(M)=0.00331 5, α(N)=0.000886 13, α(O)=0.000203 3, α(P)=3.61×10-5 6, α(Q)=1.572E-6 22, α(N+)=0.001126 16 | |
4319.6 | 20+ | 365.9 3 | (E1) | 0.0241 | α=0.0241, α(K)=0.0194 3, α(L)=0.00355 5, α(M)=0.000848 12, α(N)=0.000225 4, α(O)=5.24×10-5 8, α(P)=9.84E-6 14, α(Q)=7.86E-7 11, α(N+)=0.000288 4 | |
4433.0 | 21- | 479.3 3 | (E2) | 0.0472 | α=0.0472, α(K)=0.0292 5, α(L)=0.01336 19, α(M)=0.00348 5, α(N)=0.000930 14, α(O)=0.000213 3, α(P)=3.79×10-5 6, α(Q)=1.622E-6 23, α(N+)=0.001183 17 | |
4519.9 | 21- | 566.2 4 | (E2) | 0.0320 | α=0.0320, α(K)=0.0213 3, α(L)=0.00796 12, α(M)=0.00205 3, α(N)=0.000547 8, α(O)=0.0001256 18, α(P)=2.27×10-5 4, α(Q)=1.150E-6 17, α(N+)=0.000696 10 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0 | 0+ | 9.7 µs 6 % ε = 2×10-7 SY % α = 100 | E(level): The GS sequence, s=+1. |
386.50 | 2+ | E(level): The GS sequence, s=+1. | |
759.80 | 4+ | E(level): The GS sequence, s=+1. | |
993.77 | 5- | E(level): Yrast sequence based on 5-, s=-1. | |
1166.03 | 6+ | E(level): The GS sequence, s=+1. | |
1328.99 | 7- | E(level): Yrast sequence based on 5-, s=-1. | |
1598.16 | 8+ | E(level): The GS sequence, s=+1. | |
1718.89 | 9- | E(level): Yrast sequence based on 5-, s=-1. | |
1934.0 | 8+ | E(level): From 208Pb(16O,4nγ). γ-ray sequence. | |
2012.73 | 10+ | E(level): The GS sequence, s=+1. | |
2101.6 | 10(+) | E(level): Band based on 10(+). | |
2158.87 | 11- | E(level): Yrast sequence based on 5-, s=-1. | |
2345.3 | 10 | E(level): From 208Pb(16O,4nγ). γ-ray sequence. | |
2434.5 | 12- | E(level): Band based on 12-. | |
2441.9 | 12+ | E(level): The GS sequence, s=+1. | |
2461.5 | 11 | E(level): Band based on 10(+). | |
2555.2 | 13- | E(level): Yrast sequence based on 5-, s=-1. | |
2685.8 | 13- | E(level): Yrare sequence based on 13-. | |
2709.7 | (12) | E(level): Band based on 10(+). | |
2885.0 | 14+ | E(level): The GS sequence, s=+1. | |
2957.7 | E(level): Band based on 10(+). | ||
3004.8 | 15- | E(level): Yrast sequence based on 5-, s=-1. | |
3027.2 | 14- | E(level): Band based on 12-. | |
3203.0 | 15- | E(level): Yrare sequence based on 13-. | |
3376.4 | 16+ | E(level): The GS sequence, s=+1. | |
E(level) | Jπ(level) | T1/2(level) | Comments |
3467.2 | 17- | E(level): Yrast sequence based on 5-, s=-1. | |
3559.1 | (16-) | E(level): Band based on 12-. | |
3681.5 | 17(-) | E(level): Yrare sequence based on 13-. | |
3867.1 | 18+ | E(level): The GS sequence, s=+1. | |
3953.7 | 19- | E(level): Yrast sequence based on 5-, s=-1. | |
4319.6 | 20+ | E(level): The GS sequence, s=+1. | |
4433.0 | 21- | E(level): Yrast sequence based on 5-, s=-1. | |
4519.9 | 21- | E(level): Yrare sequence based on 13-. | |
4716.1 | (22+) | E(level): The GS sequence, s=+1. | |
4892.0 | (23-) | E(level): Yrast sequence based on 5-, s=-1. |
Calculations, compilations:
Cluster model for α decay, Geiger-Nuttall plot: 1991Bu05
E1 transitions, octupole deformation: 1989De11
Equilibrium deformation, energy: 1988So08, 1984Na22
Levels, B(|l) ratios: 1995De13, 1993Dz01, 1986Le05
n-p interaction energy: 1990Mo11
Octupole shapes and shape changes: 1987Na10
Quasibands in even-even nuclei: 1984Sa37
Spontaneous emission of heavy ions: 1986Po06
Super- and hyperdeformed configurations: 1995We02
Other reactions: 176Yb(48Ca,4nγ), E=206, 210.5 MeV: 2001He05