ADOPTED LEVELS, GAMMAS for 208Po
Author: M. J. Martin | Citation: Nucl. Data Sheets 108,1583 (2007) | Cutoff date: 1-Jun-2007
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-5000 keV 9 | S(n)= 8395 keV 7 | S(p)= 4704.0 keV 25 | Q(α)= 5215.3 keV 13 | ||
Reference: 2012WA38 |
References: | |||
A | 208At ε decay | B | 209Bi(p,2nγ) |
C | 208Pb(3He,3nγ) | D | 206Pb(α,2nγ) |
E | 208Pb(α,4nγ) | F | 204Hg(9Be,5nγ) |
G | 210Po(p,t) | H | 204Pb(16O,12C) |
I | 208Pb(π+,π-) | J | 212Rn α decay |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABCDEFG J | 0+ | 2.898 y 2 % ε = 0.0040 4 % α = 99.9960 4 | |||||
686.526 20 | ABCDEFG J | 2+ | 686.527 20 | | E2 | 0.0 | 0+ | |
1263.03 11 | ABC G | 2+ | 576.50 20 1263.03 13 | 100 11 64 7 | M1(+E2) E2 | 686.526 0.0 | 2+ 0+ | |
1271.6 7 | AB | 0+ | 465 ps 20 | 585.1 1271.6 8 | | [E2] E0 | 686.526 0.0 | 2+ 0+ |
1346.56 3 | ABCDEF | 4+ | 660.040 17 | | E2 | 686.526 | 2+ | |
1420.20 6 | ABC | 3+ | 733.68 5 | | M1+E2 | 686.526 | 2+ | |
1524.17 3 | ABCDEF | 6+ | 4.01 ns 25 | 177.595 17 | | E2 | 1346.56 | 4+ |
1528.22 4 | ABCDEF | 8+ | 350 ns 20 | 4.02 3 | | E2 | 1524.17 | 6+ |
1539.0 10 | BC G | 2+ | 852.5 1539.0? | | M1+E2 | 686.526 0.0 | 2+ 0+ | |
1583.21 4 | ABCD G | 4+ | 163.5 4 236.66 10 896.66 4 | 1.5 5 10.2 9 100 4 | [M1,E2] M1(+E2) E2 | 1420.20 1346.56 686.526 | 3+ 4+ 2+ | |
1995.46 16 ? | A | 2-,3- | 574.5 10 1308.95 16 | 64 12 100 12 | E1 | 1420.20 686.526 | 3+ 2+ | |
2041.23 4 | ABC | 6+ | 517.055 20 | 100 10 | M1+E2 | 1524.17 | 6+ | |
2149.43 10 ? | A | 3+,4+,5+ | 566.24 9 802.4 5 | 85 9 100 6 | M1+E2 M1(+E2) | 1583.21 1346.56 | 4+ 4+ | |
2160.09 5 | ABCDE | 8+ | 631.83 4 | | M1+E2 | 1528.22 | 8+ | |
2240.72 9 | BCDEF | 9+ | 712.5 1 | | M1+E2 | 1528.22 | 8+ | |
2280.62 16 ? | A | 3+,4+,5+ | 934.05 15 | | M1+E2 | 1346.56 | 4+ | |
2293.59 5 | A C | 6+ | 252.35 12 710.5 6 765.5 10 769.34 5 947.10 5 | 38.0 28 18.3 24 6.1 24 100 6 83 4 | M1(+E2) E2 | 2041.23 1583.21 1528.22 1524.17 1346.56 | 6+ 4+ 8+ 6+ 4+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2335.34 4 | ABC | 7+ | 294.07 5 807.137 25 811.18 9 | 18.2 10 100 4 20.7 25 | M1 M1(+E2) M1+E2 | 2041.23 1528.22 1524.17 | 6+ 8+ 6+ | |
2369.22 4 | ABCDEF | 7- | < 1.4 ns | 327.8 5 841.2 3 845.044 20 | 1.49 20 4.31 25 100 5 | E1 E1 | 2041.23 1528.22 1524.17 | 6+ 8+ 6+ |
2414.55 6 | A | 7+,8+ | 254.5 5 373.20 15 886.32 5 | 12 4 18.4 24 100 6 | M1+E2 | 2160.09 2041.23 1528.22 | 8+ 6+ 8+ | |
2507.28 5 | A C | 6+,7+ | 172.7 7 213.65 15 983.12 4 | 2.6 7 7.9 13 100 5 | M1+E2 M1+E2 | 2335.34 2293.59 1524.17 | 7+ 6+ 6+ | |
2526.39 12 | A | 5+ | 485.10 25 1002.5 7 1180.00 15 | 47 3 34 4 100 14 | M1 E2(+M1) M1(+E2) | 2041.23 1524.17 1346.56 | 6+ 6+ 4+ | |
2554.52 8 | BCDEF | 10+ | 313.8 1 1026.3 1 | 100.0 19 88.7 19 | M1+E2 E2 | 2240.72 1528.22 | 9+ 8+ | |
2555.89 4 | A C | 7+ | 262.60 12 395.74 5 1027.662 24 | 2.3 6 7.3 5 100 4 | M1(+E2) M1+E2 M1+E2 | 2293.59 2160.09 1528.22 | 6+ 8+ 8+ | |
2574.62 4 | ABC | 6-,7- | 205.40 3 | | M1(+E2) | 2369.22 | 7- | |
2703.03 9 | BCDEF | 11- | 8.04 ns 14 | 148.5 1 1174.8 1 | 100 3 49 3 | E1 E3 | 2554.52 1528.22 | 10+ 8+ |
2800.12 11 | BC EF | 9- | < 0.35 ns | 430.9 1 | | E2 | 2369.22 | 7- |
2884.24 5 | A | 5- | 1360.12 7 1537.71 6 | 54 5 100 5 | E1 E1 | 1524.17 1346.56 | 6+ 4+ | |
2926.68 5 | A | 5- | 400.7 4 1343.44 5 1402.8 4 | 15 6 100 4 5.6 6 | E1 | 2526.39 1583.21 1524.17 | 5+ 4+ 6+ | |
3112.94 15 | A | 7- | 538.0 3 605.0 10 1071.8 5 1584.6 6 1588.6 5 | 100 10 33 8 77 10 67 21 64 10 | M1+E2 (E1) (E1) | 2574.62 2507.28 2041.23 1528.22 1524.17 | 6-,7- 6+,7+ 6+ 8+ 6+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3144.73 10 | A | 6+,7+,8+ | 637.46 9 729.5 5 1616.4 5 1620.5 5 | 78 6 28 6 100 12 32 5 | M1+E2 (E2) (E2) | 2507.28 2414.55 1528.22 1524.17 | 6+,7+ 7+,8+ 8+ 6+ | |
3201.61 6 | A | 6+,7+,8+ | 694.33 4 832.8 5 1160.32 10 | 100 6 3.8 5 6.2 11 | M1+E2 E2(+M1) | 2507.28 2369.22 2041.23 | 6+,7+ 7- 6+ | |
3399.83 12 | BC EF | 12- | < 1.0 ns | 696.8 1 | | M1+E2 | 2703.03 | 11- |
3524.90 22 | F | 11- | 724.8 2 | | Q | 2800.12 | 9- | |
3535.28 7 | A | 5+,6+ | 333.67 3 390.3 4 1951.0 10 2011.5 5 | 100 6 18.1 23 5.1 14 5.1 14 | M1(+E2) M1(+E2) | 3201.61 3144.73 1583.21 1524.17 | 6+,7+,8+ 6+,7+,8+ 4+ 6+ | |
3545.53 12 | EF | 13- | 0.76 ns 14 | 21.0 145.7 1 842.5 1 | 100.0 22 32 5 | M1 E2 | 3524.90 3399.83 2703.03 | 11- 12- 11- |
3553.49 7 | A | 5- | 626.63 9 669.45 12 1184.5 5 1259.3 7 1971.0 6 2029.33 10 2207.10 20 | 28.3 19 60 16 6 3 5.7 19 6.0 13 100 6 31.4 19 | M1(+E2) M1(+E2) (E1) | 2926.68 2884.24 2369.22 2293.59 1583.21 1524.17 1346.56 | 5- 5- 7- 6+ 4+ 6+ 4+ | |
3564.53 4 | A | 6- | 451.40 20 989.94 3 1008.60 4 1038.3 3 1057.0 5 1195.31 5 1229.18 3 1270.5 5 1523.37 25 | 5.6 6 100 7 20.9 22 6.1 5 1.05 14 13.7 7 29.1 22 0.9 3 1.72 18 | M1(+E2) M1+E2 E1 (E1+M2) M1+E2 E1 | 3112.94 2574.62 2555.89 2526.39 2507.28 2369.22 2335.34 2293.59 2041.23 | 7- 6-,7- 7+ 5+ 6+,7+ 7- 7+ 6+ 6+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3682.54 6 | A | 6- | 755.89 4 798.68 25 1107.73 7 1126.80 25 1641.60 25 2158.5 5 2336.30 25 | 100 6 39 4 37.0 20 10.4 20 13.0 20 12.6 13 31 3 | M1(+E2) M1(+E2) M1+E2 (E1) (E1) [M2] | 2926.68 2884.24 2574.62 2555.89 2041.23 1524.17 1346.56 | 5- 5- 6-,7- 7+ 6+ 6+ 4+ | |
3808.03 7 | A | 6-,7- | 923.96 20 1234.0 6 1300.5 3 1438.80 6 1472.54 19 2284.0 5 | 37.0 25 26 5 11.8 25 100 5 16.1 19 11.1 14 | M1+E2 (E1) | 2884.24 2574.62 2507.28 2369.22 2335.34 1524.17 | 5- 6-,7- 6+,7+ 7- 7+ 6+ | |
3900.63 24 | EF | 13- | 500.8 2 | 100 | M1 | 3399.83 | 12- | |
4019.17 9 | A | (5,6,7)- | 1511.89 8 1725.2 6 2494.8 5 | 51 4 11.6 19 100 10 | E1 | 2507.28 2293.59 1524.17 | 6+,7+ 6+ 6+ | |
4057.31 15 | EF | 14- | < 0.7 ns | 511.8 1 | | M1(+E2) | 3545.53 | 13- |
4061.85 15 | EF | 15- | 4.5 516.3 1 | 100 4 | E2 | 4057.31 3545.53 | 14- 13- | |
4166.68 7 | A | 7- | 1282.4 3 1752.16 20 1797.42 10 1831.8 5 1872.88 10 2125.65 12 2638.6 3 2643.3 5 | 25.8 24 10.8 10 37.6 24 5.4 7 25.4 19 42 3 100 7 25.4 24 | E1 M1(+E2) E1 E1 | 2884.24 2414.55 2369.22 2335.34 2293.59 2041.23 1528.22 1524.17 | 5- 7+,8+ 7- 7+ 6+ 6+ 8+ 6+ | |
4177.33 16 | F | 13- | < 0.35 ns | 631.8 1 | | M1+E2 | 3545.53 | 13- |
4251.43 12 | A | (5,6,7)- | 697.94 12 716.7 10 1049.2 5 1324.6 5 1916.5 4 2091.3 10 2668.2 5 | 100 6 9.4 15 4.7 5 5.8 14 9.6 8 ≈7 4.1 10 | E2 | 3553.49 3535.28 3201.61 2926.68 2335.34 2160.09 1583.21 | 5- 5+,6+ 6+,7+,8+ 5- 7+ 8+ 4+ | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
4307.14 18 | F | 14- | 761.6 2 | | M1 | 3545.53 | 13- | |
4452.19 19 | F | 14-,15-,16- | 390.2 2 395.0 2 | 100 25 50 | M1+E2 | 4061.85 4057.31 | 15- 14- | |
4509.36 11 | A | (5+,6,7+) | 1983.8 5 2094.75 10 2174.4 5 2216.4 5 2467.7 5 | 25 4 100 7 20 6 34 14 50 5 | E1,E2 | 2526.39 2414.55 2335.34 2293.59 2041.23 | 5+ 7+,8+ 7+ 6+ 6+ | |
4660.32 16 | EF | 15- | < 0.7 ns | 353.2 2 603.0 1 | 6.4 11 100.0 11 | M1(+E2) | 4307.14 4057.31 | 14- 14- |
4804.72 19 | F | 15- | 352.5 2 747.4 2 | 64 33 100 33 | D | 4452.19 4057.31 | 14-,15-,16- 14- | |
4913.5 3 | F | 12,13,14 | 736.2 2 | | D | 4177.33 | 13- | |
4918.15 16 | EF | 16+ | < 0.35 ns | 113.4 2 257.8 1 856.3 1 1372.6 4 | 2.4 12 18.3 12 100.0 12 2.4 12 | E1 E1 E1 E3 | 4804.72 4660.32 4061.85 3545.53 | 15- 15- 15- 13- |
4919.77 20 | F | (14,15,16-) | < 1.0 ns | 259.5 2 612.6 2 | 22 11 100 11 | 4660.32 4307.14 | 15- 14- | |
4920.13 17 | F | 16- | < 0.7 ns | 858.3 1 | | M1(+E2) | 4061.85 | 15- |
5102.59 22 | EF | 15+,16+,17+ | < 1.4 ns | 184.4 2 | | M1 | 4918.15 | 16+ |
5116.96 18 | EF | 17+ | < 0.7 ns | 198.8 1 | | M1 | 4918.15 | 16+ |
5262.23 19 | F | 14+ TO 18+ | < 1.4 ns | 159.6 2 342.5 2 | 100 8 67 8 | M1 | 5102.59 4919.77 | 15+,16+,17+ (14,15,16-) |
5327.0 3 | F | 14-,15,16,17,18- | < 7 ns | 406.9 2 | | 4920.13 | 16- | |
5409.15 17 | F | 15(+),16(+),17(+) | < 0.35 ns | 147.0 489.0 2 491.0 1 | | (E1) (M1+E2) | 5262.23 4920.13 4918.15 | 14+ TO 18+ 16- 16+ |
5465.22 22 | F | 15,16,17,18- | 203.0 2 545.1 2 | ≈67 ≈100 | 5262.23 4920.13 | 14+ TO 18+ 16- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
5475.28 19 | EF | 18+ | < 0.35 ns | 358.3 1 | | M1(+E2) | 5116.96 | 17+ |
5861.46 21 | F | 16+,17+,18+ | < 0.7 ns | 744.5 2 | | M1+E2 | 5116.96 | 17+ |
5900.11 20 | EF | 19+ | < 0.35 ns | 424.8 1 | 100 | M1(+E2) | 5475.28 | 18+ |
5921.34 19 | F | 15+,16,17,18,19+ | < 0.7 ns | 512.2 1 804.4 2 | 100 7 28 7 | 5409.15 5116.96 | 15(+),16(+),17(+) 17+ | |
5977.4 3 | F | 16+,17,18,19,20+ | < 0.35 ns | 502.1 2 | | 5475.28 | 18+ | |
6021.30 21 | F | 15+ TO 19+ | < 0.35 ns | 759.1 2 904.3 2 | 100.0 23 16.0 23 | M1 | 5262.23 5116.96 | 14+ TO 18+ 17+ |
6051.86 24 | F | < 0.7 ns | 789.6 2 | | 5262.23 | 14+ TO 18+ | ||
6486.43 25 | F | 15,16,17 | < 0.7 ns | 1077.0 4 1224.1 4 1566.7 4 1568.3 4 | 100 10 52 10 30 8 18 4 | 5409.15 5262.23 4920.13 4918.15 | 15(+),16(+),17(+) 14+ TO 18+ 16- 16+ | |
6509.60 22 | F | 16(+),17(+),18(+) | < 0.7 ns | 457.7 2 488.3 2 648.1 2 1045 1392.8 5 | 100 9 29 5 10 3 29 5 | (M1) D | 6051.86 6021.30 5861.46 5465.22 5116.96 | 15+ TO 19+ 16+,17+,18+ 15,16,17,18- 17+ |
6521.23 19 | F | 17+,18,19,20+ | < 14 ns | 11.4 35.2 599.9 1 621.1 2 659.8 2 1045.9 4 | | 6509.60 6486.43 5921.34 5900.11 5861.46 5475.28 | 16(+),17(+),18(+) 15,16,17 15+,16,17,18,19+ 19+ 16+,17+,18+ 18+ | |
6598.30 25 | F | < 14 ns | 77.0 | | 6521.23 | 17+,18,19,20+ | ||
6620.02 22 | F | (19-) | < 14 ns | 98.8 1 | | E1 | 6521.23 | 17+,18,19,20+ |
6641.02 22 | F | 19+ | < 0.7 ns | 740.9 1 1165.8 4 | 100.0 11 9.9 11 | M1+E2 D | 5900.11 5475.28 | 19+ 18+ |
6647.7 5 | F | < 14 ns | 27.7 | | 6620.02 | (19-) | ||
6847.63 22 | F | 18-,19-,20- | < 0.7 ns | 206.6 1 326.4 2 | 100 5 20 5 | E1 [E1] | 6641.02 6521.23 | 19+ 17+,18,19,20+ |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
6898.20 23 | F | < 0.7 ns | 278.2 1 299.9 1 | 100 3 61 3 | M1+E2 D | 6620.02 6598.30 | (19-) | |
6914.6 5 | F | 1014.5 4 | | 5900.11 | 19+ | |||
6950.8 3 | F | 17+ TO 21+ | < 14 ns | 103.1 2 | | E1 | 6847.63 | 18-,19-,20- |
7475.50 25 | F | < 7 ns | 577.3 1 | | 6898.20 | |||
7653.1 3 | F | < 14 ns | 702.3 2 | | 6950.8 | 17+ TO 21+ | ||
7705.3 3 | F | < 0.35 ns | 754.5 2 | | M1 | 6950.8 | 17+ TO 21+ | |
7784.7 3 | F | < 0.35 ns | 886.5 1 1137.0 4 | 100 6 49 6 | E1 E1 | 6898.20 6647.7 | ||
7932.5 3 | F | < 7 ns | 227.1 2 279.4 2 457.0 2 | 64 6 14 5 100 9 | 7705.3 7653.1 7475.50 | |||
8023.0 4 | F | < 7 ns | 547.5 2 | | 7475.50 | |||
8106.5 4 | F | < 0.7 ns | 321.8 2 | | M1 | 7784.7 | ||
8394.8 4 | F | < 0.7 ns | 462.3 2 | | D | 7932.5 | ||
8730.8 4 | F | 707.8 2 | | 8023.0 | ||||
8835.5 4 | F | < 1.4 ns | 903.0 2 | | 7932.5 | |||
8895.1 4 | F | < 0.7 ns | 788.6 2 | | D | 8106.5 | ||
8991.9 5 | F | 261.1 2 | | 8730.8 | ||||
9032.8 4 | F | 638.0 2 | | 8394.8 | ||||
9160.6 5 | F | 265.5 2 | | 8895.1 | ||||
9643.7 5 | F | 483.1 2 | | D | 9160.6 | |||
32.46E+3 17 | I | (0+) |
E(level): From a least-squares fit to the Eγ data
T1/2(level): From (9Be,5nγ), except where noted otherwise
I(γ): Relative photon branching from the level
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
686.526 | 2+ | 686.527 20 | E2 | 0.0159 | α=0.0159 | ||
1263.03 | 2+ | 576.50 20 | M1(+E2) | 0.48 LE | 0.085 | α=0.085 7 | |
1271.6 | 0+ | 465 ps 20 | 585.1 | [E2] | B(E2)(W.u.)<0.06 | ||
1346.56 | 4+ | 660.040 17 | E2 | 0.0173 | α=0.0173 | ||
1420.20 | 3+ | 733.68 5 | M1+E2 | 0.71 17 | 0.037 | α=0.037 4 | |
1524.17 | 6+ | 4.01 ns 25 | 177.595 17 | E2 | 0.736 | B(E2)(W.u.)=5.6 4, α=0.736 | |
1528.22 | 8+ | 350 ns 20 | 4.02 3 | E2 | 3.30×106 | B(E2)(W.u.)=6.4 5, α=3.30×106 | |
1539.0 | 2+ | 852.5 | M1+E2 | 0.70 20 | 0.026 | α=0.026 3 | |
1583.21 | 4+ | 163.5 4 | [M1,E2] | 1.9 | α=1.9 9 | ||
4+ | 236.66 10 | M1(+E2) | 0.39 LE | 0.96 | α=0.96 5 | ||
4+ | 896.66 4 | E2 | 0.0092 | α=0.0092 | |||
2041.23 | 6+ | 517.055 20 | M1+E2 | 0.37 5 | 0.111 | α=0.111 3 | |
2149.43 | 3+,4+,5+ | 566.24 9 | M1+E2 | 0.7 2 | 0.073 | α=0.073 19 | |
3+,4+,5+ | 802.4 5 | M1(+E2) | 0.3 LE | 0.038 | α=0.038 1 | ||
2160.09 | 8+ | 631.83 4 | M1+E2 | 0.42 11 | 0.064 | α=0.064 3 | |
2240.72 | 9+ | 712.5 1 | M1+E2 | -0.29 18 | 0.049 | α=0.049 3 | |
2280.62 | 3+,4+,5+ | 934.05 15 | M1+E2 | 0.6 4 | 0.022 | α=0.022 4 | |
2293.59 | 6+ | 769.34 5 | M1(+E2) | 0.6 LE | 0.039 | α=0.039 3 | |
6+ | 947.10 5 | E2 | 0.0083 | α=0.0083 | |||
2335.34 | 7+ | 294.07 5 | M1 | 0.558 | α=0.558 | ||
7+ | 807.137 25 | M1(+E2) | 0.27 LE | 0.0373 | α=0.0373 9 | ||
7+ | 811.18 9 | M1+E2 | 0.90 24 | 0.026 | α=0.026 4 | ||
2369.22 | 7- | < 1.4 ns | 841.2 3 | E1 | 0.0373 | α=0.0373 | |
7- | < 1.4 ns | 845.044 20 | E1 | 0.0071 | α=0.0071 | ||
2414.55 | 7+,8+ | 886.32 5 | M1+E2 | 0.6 3 | 0.023 | α=0.023 5 | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
2507.28 | 6+,7+ | 213.65 15 | M1+E2 | 0.6 3 | 1.09 | α=1.09 18 | |
6+,7+ | 983.12 4 | M1+E2 | 0.35 15 | 0.0212 | α=0.0212 12 | ||
2526.39 | 5+ | 485.10 25 | M1 | 0.144 | α=0.144 | ||
5+ | 1002.5 7 | E2(+M1) | 1.3 GT | 0.010 | α=0.010 3 | ||
5+ | 1180.00 15 | M1(+E2) | 0.7 LE | 0.0129 | α=0.0129 15 | ||
2554.52 | 10+ | 313.8 1 | M1+E2 | -0.09 1 | 0.465 | α=0.465 | |
10+ | 1026.3 1 | E2 | 0.0071 | α=0.0071 | |||
2555.89 | 7+ | 262.60 12 | M1(+E2) | 0.95 LE | 0.62 | α=0.62 14 | |
7+ | 395.74 5 | M1+E2 | 0.43 15 | 0.218 | α=0.218 17 | ||
7+ | 1027.662 24 | M1+E2 | 0.42 +20-25 | 0.0185 | α=0.0185 17 | ||
2574.62 | 6-,7- | 205.40 3 | M1(+E2) | 0.27 LE | 1.47 | α=1.47 4 | |
2703.03 | 11- | 8.04 ns 14 | 148.5 1 | E1 | 0.172 | B(E1)(W.u.)=1.6E-4 4, α=0.172 | |
11- | 8.04 ns 14 | 1174.8 1 | E3 | 0.0119 | B(E3)(W.u.)=5.5 14, α=0.0119 | ||
2800.12 | 9- | < 0.35 ns | 430.9 1 | E2 | 0.0469 | α=0.0469 | |
3112.94 | 7- | 538.0 3 | M1+E2 | 1.0 3 | 0.070 | α=0.070 13 | |
3144.73 | 6+,7+,8+ | 637.46 9 | M1+E2 | 1.3 +17-6 | 0.030 | α=0.030 13 | |
3201.61 | 6+,7+,8+ | 694.33 4 | M1+E2 | 1.32 21 | 0.030 | α=0.030 4 | |
6+,7+,8+ | 1160.32 10 | E2(+M1) | 3.5 GE | 0.0059 | α=0.0059 4 | ||
3399.83 | 12- | < 1.0 ns | 696.8 1 | M1+E2 | -0.21 5 | 0.0542 | α=0.0542 8 |
3535.28 | 5+,6+ | 333.67 3 | M1(+E2) | 0.45 LE | 0.370 | α=0.370 25 | |
5+,6+ | 390.3 4 | M1(+E2) | 0.65 LE | 0.23 | α=0.23 3 | ||
3545.53 | 13- | 0.76 ns 14 | 145.7 1 | M1 | 3.96 | α=3.96 | |
13- | 0.76 ns 14 | 842.5 1 | E2 | 0.0104 | α=0.0104 | ||
3553.49 | 5- | 626.63 9 | M1(+E2) | 0.35 LE | 0.71 | α=0.71 3 | |
5- | 669.45 12 | M1(+E2) | 0.93 LE | 0.52 | α=0.52 10 | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
3564.53 | 6- | 451.40 20 | M1(+E2) | 0.61 LE | 0.157 | α=0.157 18 | |
6- | 989.94 3 | M1+E2 | 0.38 LE | 0.0216 | α=0.0216 10 | ||
6- | 1038.3 3 | (E1+M2) | 0.27 7 | ||||
6- | 1195.31 5 | M1+E2 | 0.96 20 | 0.0099 | α=0.0099 10 | ||
3682.54 | 6- | 755.89 4 | M1(+E2) | 0.65 LE | 0.040 | α=0.040 5 | |
6- | 798.68 25 | M1(+E2) | 0.6 LE | 0.036 | α=0.036 3 | ||
6- | 1107.73 7 | M1+E2 | 1.2 5 | 0.0111 | α=0.0111 23 | ||
3808.03 | 6-,7- | 1438.80 6 | M1+E2 | 0.8 5 | 0.0069 | α=0.0069 13 | |
3900.63 | 13- | 500.8 2 | M1 | 0.133 | α=0.133 | ||
4057.31 | 14- | < 0.7 ns | 511.8 1 | M1(+E2) | 0.81 LE | 0.107 | α=0.107 19 |
4061.85 | 15- | 516.3 1 | E2 | 0.030 | α=0.030 | ||
4166.68 | 7- | 1797.42 10 | M1(+E2) | 0.87 LE | |||
4177.33 | 13- | < 0.35 ns | 631.8 1 | M1+E2 | -0.62 15 | 0.057 | α=0.057 5 |
4251.43 | (5,6,7)- | 697.94 12 | E2 | 0.0154 | α=0.0154 | ||
4307.14 | 14- | 761.6 2 | M1 | 0.0444 | α=0.0444 | ||
4452.19 | 14-,15-,16- | 390.2 2 | M1+E2 | 0.16 | α=0.16 10 | ||
4660.32 | 15- | < 0.7 ns | 603.0 1 | M1(+E2) | -0.03 4 | 0.0817 | α=0.0817 |
4918.15 | 16+ | < 0.35 ns | 257.8 1 | E1 | 0.045 | α=0.045 | |
16+ | < 0.35 ns | 856.3 1 | E1 | 0.0036 | α=0.0036 | ||
16+ | < 0.35 ns | 1372.6 4 | E3 | 0.0085 | α=0.0085 | ||
4920.13 | 16- | < 0.7 ns | 858.3 1 | M1(+E2) | -0.1 1 | 0.032 | α=0.032 1 |
5116.96 | 17+ | < 0.7 ns | 198.8 1 | M1 | 1.65 | α=1.65 | |
5262.23 | 14+ TO 18+ | < 1.4 ns | 159.6 2 | M1 | 3.06 | α=3.06 | |
5409.15 | 15(+),16(+),17(+) | < 0.35 ns | 491.0 1 | (M1+E2) | 0.09 | α=0.09 5 | |
5475.28 | 18+ | < 0.35 ns | 358.3 1 | M1(+E2) | -0.03 3 | 0.326 | α=0.326 |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
5900.11 | 19+ | < 0.35 ns | 424.8 1 | M1(+E2) | -0.09 9 | 0.206 | α=0.206 |
6847.63 | 18-,19-,20- | < 0.7 ns | 206.6 1 | E1 | 0.077 | α=0.077 | |
18-,19-,20- | < 0.7 ns | 326.4 2 | [E1] | 0.026 | α=0.026 | ||
6898.20 | < 0.7 ns | 278.2 1 | M1+E2 | +0.07 5 | 0.647 | α=0.647 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 0+ | 2.898 y 2 % ε = 0.0040 4 % α = 99.9960 4 | %ε: from 1993Sa14 in 208Po ε decay. Other:0.00223 (1966Ha29). |
1346.56 | 4+ | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). | |
1524.17 | 6+ | 4.01 ns 25 | μ=+5.3 6 (1982Ha16,1983He09,2005St24) Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
2240.72 | 9+ | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). | |
2554.52 | 10+ | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). | |
2703.03 | 11- | 8.04 ns 14 | μ=12.11 14 Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
3399.83 | 12- | < 1.0 ns | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
3545.53 | 13- | 0.76 ns 14 | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
4057.31 | 14- | < 0.7 ns | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
4061.85 | 15- | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). | |
4660.32 | 15- | < 0.7 ns | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
4918.15 | 16+ | < 0.35 ns | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
5116.96 | 17+ | < 0.7 ns | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
5475.28 | 18+ | < 0.35 ns | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
5900.11 | 19+ | < 0.35 ns | Jπ(level): From 1978Be39 in 208Pb(α,4nγ) based on γ mult, excitation function and γ(θ). |
32.46E+3 | (0+) | Γ=850 400. |
E(level) | E(gamma) | Comments |
1271.6 | 585.1 | E(γ): transition not seen. Energy from energy level difference | 1271.6 | E(γ): From (p,2nγ) |
1539.0 | 852.5 | E(γ): From (p,2nγ) | 1539.0 | E(γ): From (p,2nγ) |
2240.72 | 712.5 | E(γ): From (9Be,5nγ) |
2554.52 | 313.8 | E(γ): From (9Be,5nγ) I(γ): From (9Be,5nγ). Values are from table 2 of 1997Po04 | 1026.3 | E(γ): From (α,4nγ) I(γ): From (9Be,5nγ). Values are from table 2 of 1997Po04 |
2703.03 | 148.5 | E(γ): From (9Be,5nγ) I(γ): From (9Be,5nγ). Values are from table 2 of 1997Po04 | 1174.8 | E(γ): From (α,4nγ) I(γ): from (9Be,5nγ). Other:40 (p,2nγ), 43 (α,4nγ), (3He,3nγ). From (9Be,5nγ). Values are from table 2 of 1997Po04 |
2800.12 | 430.9 | E(γ): From (α,4nγ) |
3112.94 | 1584.6 | M(γ): α(K)exp allows E1 or E2. Placement in the level scheme requires Δπ=yes | 1588.6 | M(γ): α(K)exp allows E1 or E2. Placement in the level scheme requires Δπ=yes |
3144.73 | 1616.4 | M(γ): α(K)exp allows E1 or E2. Placement in the level scheme requires Δπ=no | 1620.5 | M(γ): α(K)exp allows E1 or E2. Placement in the level scheme requires Δπ=no |
3399.83 | 696.8 | E(γ): From (9Be,5nγ) |
3524.90 | 724.8 | E(γ): From (9Be,5nγ) |
3545.53 | 21.0 | E(γ): From (9Be,5nγ). Not observed directly. Existence is required by coincidence data. Eγ is deduced from the level energies, and I(γ+ce) is deduced from the coincidence data | 145.7 | E(γ): From (9Be,5nγ) I(γ): From (9Be,5nγ). Values are from table 2 of 1997Po04 | 842.5 | E(γ): From (9Be,5nγ) I(γ): From (9Be,5nγ). Values are from table 2 of 1997Po04 |
3553.49 | 2029.33 | M(γ): α(K)exp allows E1 or E2. Placement in the level scheme requires Δπ=yes |
3564.53 | 1038.3 | M(γ): α(K)exp allows E1 or E2. Placement in the level scheme requires Δπ=yes |
3682.54 | 1126.80 | M(γ): α(K)exp allows E1 or E2. Placement in the level scheme requires Δπ=yes | 1641.60 | M(γ): α(K)exp allows E1 or E2. Placement in the level scheme requires Δπ=yes |
3808.03 | 1472.54 | M(γ): α(K)exp allows E1 or E2. Placement in the level scheme requires Δπ=yes |
3900.63 | 500.8 | E(γ): From (9Be,5nγ) |
E(level) | E(gamma) | Comments |
4057.31 | 511.8 | E(γ): From (9Be,5nγ) |
4061.85 | 4.5 | E(γ): From (9Be,5nγ). Not observed directly. Existence is required by coincidence data. Eγ is deduced from the level energies, and I(γ+ce) is deduced from the coincidence data | 516.3 | E(γ): From (9Be,5nγ) I(γ): From (9Be,5nγ). Values are from table 2 of 1997Po04 |
4177.33 | 631.8 | E(γ): From (9Be,5nγ) |
4307.14 | 761.6 | E(γ): From (9Be,5nγ) |
4452.19 | 390.2 | E(γ): From (9Be,5nγ) I(γ): From (9Be,5nγ). Values are from table 2 of 1997Po04 | 395.0 | E(γ): From (9Be,5nγ) I(γ): From (9Be,5nγ). Values are from table 2 of 1997Po04 |
5409.15 | 489.0 | M(γ): From γ(θ) and γ(lin pol), the unresolved 488.3 and 489.9 are probably M1 and E1. The 489.9γ is placed from the 5409 level whose parity, based on mult(491γ) is probably +. The 489γ would then Be expected to have mult=E1, and thus mult(488.3γ) is probably M1 |
6486.43 | 1077.0 | M(γ): ΔJ=0 from γ(θ) |
6509.60 | 488.3 | M(γ): From γ(θ) and γ(lin pol), the unresolved 488.3 and 489.9 are probably M1 and E1. The 489.9γ is placed from the 5409 level whose parity, based on mult(491γ) is probably +. The 489γ would then Be expected to have mult=E1, and thus mult(488.3γ) is probably M1 |
6521.23 | 11.4 | E(γ): Not observed directly. Existence is required by coincidence data. Eγ is deduced from the level energies, and I(γ+ce) is deduced from the coincidence data | 35.2 | E(γ): Not observed directly. Existence is required by coincidence data. Eγ is deduced from the level energies, and I(γ+ce) is deduced from the coincidence data |
6598.30 | 77.0 | E(γ): Not observed directly. Existence is required by coincidence data. Eγ is deduced from the level energies, and I(γ+ce) is deduced from the coincidence data |
6641.02 | 740.9 | M(γ): ΔJ=0 from γ(θ) |
6647.7 | 27.7 | E(γ): Not observed directly. Existence is required by coincidence data. Eγ is deduced from the level energies, and I(γ+ce) is deduced from the coincidence data |
Levels: Configurations: see 1978Be39. These authors have assigned configurations to many of the levels above and including the 8+ level at 1528.
Q-value: Note: Current evaluation has used the following Q record -4978 26 8395 7 4704.0 25 5215.3 13 2003Au03