ADOPTED LEVELS, GAMMAS for 91Rb
Author: Coral M. Baglin | Citation: Nucl. Data Sheets 114, 1293 (2013) | Cutoff date: 1-Sep-2013
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=5907 keV 9 | S(n)= 6452 keV 10 | S(p)= 10075 keV 8 | Q(α)= -6278 keV 8 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 91Kr β- decay | B | 252Cf SF decay |
| C | 238U(48Ca,xγ) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0 | ABC | 3/2(-) | 58.2 s 3 % β- = 100 | |||||
| 108.789 6 | ABC | (5/2-) | 0.8 ns 3 | 108.788 6 | 100 | M1(+E2) | 0 | 3/2(-) |
| 502.04 9 | A | 501.97 12 | 100 | 0 | 3/2(-) | |||
| 506.592 9 | A | LE7/2(-) | < 0.3 ns | 397.83 13 506.592 9 | 8.2 6 100 7 | (M1,E2) | 108.789 0 | (5/2-) 3/2(-) |
| 555.55 4 | A | 446.78 6 555.57 7 | 85 4 100 5 | 108.789 0 | (5/2-) 3/2(-) | |||
| 662.42 7 | A | 662.42 7 | 100 | 0 | 3/2(-) | |||
| 721.67 4 | ABC | (LE7/2-) | < 0.4 ns | 215.46 22 612.87 6 721.55 8 | 13.6 5 100 5 8.6 6 | (M1,E2) | 506.592 108.789 0 | LE7/2(-) (5/2-) 3/2(-) |
| 1133.79 6 | ABC | (9/2+) | 16.6 ns 6 % IT = 100 | 412.04 8 1024.91 15 1134.1 | 82 5 100 8 13 4 | [M2] [E3] | 721.67 108.789 0 | (LE7/2-) (5/2-) 3/2(-) |
| 1136.74 6 | A | 630.14 7 1028.3 3 1136.81 14 | 100 6 29 6 47 4 | 506.592 108.789 0 | LE7/2(-) (5/2-) 3/2(-) | |||
| 1178.07 6 | A | 671.46 8 1069.0 3 1178.03 11 | 55 4 6.8 17 100 5 | 506.592 108.789 0 | LE7/2(-) (5/2-) 3/2(-) | |||
| 1211.10 9 | A | 489.49 15 1102.18 15 | 57 7 100 10 | 721.67 108.789 | (LE7/2-) (5/2-) | |||
| 1267.69 6 | A | 545.96 11 712.39 15 761.01 8 766.0 9 1158.8 7 1267.83 13 | 39 3 21.3 25 100 6 5 3 10 5 64 5 | 721.67 555.55 506.592 502.04 108.789 0 | (LE7/2-) LE7/2(-) (5/2-) 3/2(-) | |||
| 1304.25 6 | A | 748.64 8 797.68 15 802.17 15 1195.42 20 1304.28 13 | 45 3 19.4 21 9.7 17 20.8 21 100 7 | 555.55 506.592 502.04 108.789 0 | LE7/2(-) (5/2-) 3/2(-) | |||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 1324.27 9 | A | 817.64 18 1215.57 14 1324.22 18 | 70 7 100 8 83 8 | 506.592 108.789 0 | LE7/2(-) (5/2-) 3/2(-) | |||
| 1401.83 12 | A | 680.0 3 846.7 4 895.0 5 1292.95 17 1402.0 3 | 24 6 22 7 59 13 100 11 46 10 | 721.67 555.55 506.592 108.789 0 | (LE7/2-) LE7/2(-) (5/2-) 3/2(-) | |||
| 1501.63 6 | A | 3/2,5/2,7/2 | 780.2 6 995.08 12 1392.74 17 1501.60 11 | 2.2 8 16.6 12 11.4 11 100 6 | 721.67 506.592 108.789 0 | (LE7/2-) LE7/2(-) (5/2-) 3/2(-) | ||
| 1547.65 12 | A | 825.82 16 992.1 6 1439.11 21 1547.65 25 | 100 10 31 12 88 10 89 12 | 721.67 555.55 108.789 0 | (LE7/2-) (5/2-) 3/2(-) | |||
| 1615.22 6 | A | 3/2,5/2,7/2 | < 0.5 ns | 481.39 9 893.6 4 1108.68 10 1506.4 4 | 17.3 12 2.4 6 100 5 11.5 24 | 1133.79 721.67 506.592 108.789 | (9/2+) (LE7/2-) LE7/2(-) (5/2-) | |
| 1637.07 14 | A | 1528.29 14 | 100 | 108.789 | (5/2-) | |||
| 1722.87 14 ? | A | 1614.07 14 ? | 100 | 108.789 | (5/2-) | |||
| 1775.51 14 ? | A | 450.8 4 ? 1666.73 13 ? | 6.6 22 100 8 | 1324.27 108.789 | (5/2-) | |||
| 1779.05 13 | A | 1277.0 4 1778.85 16 | 25 4 100 8 | 502.04 0 | 3/2(-) | |||
| 1840.5 4 | BC | (13/2+) | 706.7 2 | 100 | Q | 1133.79 | (9/2+) | |
| 1975.20 12 | A | 1419.72 13 1468.2 6 1866.2 3 | 100 7 19 5 20 4 | 555.55 506.592 108.789 | LE7/2(-) (5/2-) | |||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 2002.80 13 | A | 1281.11 15 | 100 | 721.67 | (LE7/2-) | |||
| 2037.36 12 | A | 900.5 4 1315.54 17 | 27 7 100 10 | 1136.74 721.67 | (LE7/2-) | |||
| 2089.81 6 | A | 3/2,5/2,7/2 | 474.63 10 541.9 9 588.22 7 785.25 16 822.14 18 953.24 16 955.74 16 1368.5 3 1583.51 19 | 100 7 6 3 99 6 51 6 43 4 36 4 35 4 37 6 42 4 | 1615.22 1547.65 1501.63 1304.25 1267.69 1136.74 1133.79 721.67 506.592 | 3/2,5/2,7/2 3/2,5/2,7/2 (9/2+) (LE7/2-) LE7/2(-) | ||
| 2195.79 12 | A | 1058.90 15 1474.6 5 2087.0 4 2195.99 23 | 77 7 25 7 49 12 100 12 | 1136.74 721.67 108.789 0 | (LE7/2-) (5/2-) 3/2(-) | |||
| 2377.29 18 | A | 1198.9 5 2268.6 4 2377.34 23 | 27 7 63 13 100 10 | 1178.07 108.789 0 | (5/2-) 3/2(-) | |||
| 2381.60 15 | A | 3/2,5/2,7/2 | 879.5 3 1874.99 24 2381.87 24 | 27 5 100 13 46 6 | 1501.63 506.592 0 | 3/2,5/2,7/2 LE7/2(-) 3/2(-) | ||
| 2490.14 8 | A | 3/2,5/2,7/2 | 400.7 3 874.92 8 1353.54 21 1356.17 18 1982.7 5 | 17 4 100 5 47 7 59 7 13 3 | 2089.81 1615.22 1136.74 1133.79 506.592 | 3/2,5/2,7/2 3/2,5/2,7/2 (9/2+) LE7/2(-) | ||
| 2559.45 15 | A | 3/2,5/2,7/2 | 470.0 5 1426.1 6 2004.1 9 2057.27 18 2450.7 3 2559.4 4 | 10 3 15 5 6 6 62 5 100 12 52 8 | 2089.81 1133.79 555.55 502.04 108.789 0 | 3/2,5/2,7/2 (9/2+) (5/2-) 3/2(-) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 2593.22 9 | A | 3/2,5/2,7/2(-) | 814.0 4 1091.61 14 1456.5 5 1459.0 7 1871.8 3 2484.35 13 2593.15 20 | 4.7 11 12.3 11 13 4 10 3 6.9 20 100 6 19.5 19 | 1779.05 1501.63 1136.74 1133.79 721.67 108.789 0 | 3/2,5/2,7/2 (9/2+) (LE7/2-) (5/2-) 3/2(-) | ||
| 2686.81 19 | A | 3/2,5/2,7/2 | 1965.11 19 2687.0 9 | 100 9 14 7 | 721.67 0 | (LE7/2-) 3/2(-) | ||
| 2729.16 19 | A | 3/2,5/2,7/2 | 1517.8 5 2620.33 23 | 13 4 100 9 | 1211.10 108.789 | (5/2-) | ||
| 2844.57 12 | A | 3/2,5/2,7/2 | 807.14 9 1633.5 7 1666.73 13 2735.83 19 2845.0 3 | 39 3 10 7 18 4 100 9 23 4 | 2037.36 1211.10 1178.07 108.789 0 | (5/2-) 3/2(-) | ||
| 2849 | B | 1008.7 | 100 | 1840.5 | (13/2+) | |||
| 2861.56 8 | A | 3/2(+) TO 7/2(+) | 771.86 16 858.68 22 1359.63 22 1537.34 24 1557.2 5 1650.22 24 1725.2 3 1727.85 16 2139.98 21 2752.59 19 | 47 5 35 6 29 6 45 6 65 24 23 5 26 6 68 5 96 11 100 8 | 2089.81 2002.80 1501.63 1324.27 1304.25 1211.10 1136.74 1133.79 721.67 108.789 | 3/2,5/2,7/2 3/2,5/2,7/2 (9/2+) (LE7/2-) (5/2-) | ||
| 2902 | B | 1061.5 | 100 | 1840.5 | (13/2+) | |||
| 2919.98 12 | A | 3/2,5/2,7/2 | 1741.78 13 1783.4 3 2413.7 3 2811.7 6 2919.9 4 | 100 8 47 6 42 6 34 4 34 5 | 1178.07 1136.74 506.592 108.789 0 | LE7/2(-) (5/2-) 3/2(-) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 2926.9 3 | A | 1525.0 5 2425.0 7 2926.7 5 | 100 24 92 27 54 19 | 1401.83 502.04 0 | 3/2(-) | |||
| 2964.14 13 | A | 3/2,5/2,7/2 | 1327.3 6 1659.4 5 1752.9 3 1827.1 4 2242.50 25 2457.7 3 2855.3 3 | 32 10 26 6 46 8 51 10 42 6 87 13 100 13 | 1637.07 1304.25 1211.10 1136.74 721.67 506.592 108.789 | (LE7/2-) LE7/2(-) (5/2-) | ||
| 2979.4 | BC | (17/2+) | 1138.2 3 | 100 | Q | 1840.5 | (13/2+) | |
| 2979.75 13 | A | 3/2,5/2,7/2 | 1577.6 6 1675.83 19 1843.1 6 2473.1 5 2870.54 21 | 11 4 45 4 15 4 48 10 100 9 | 1401.83 1304.25 1136.74 506.592 108.789 | LE7/2(-) (5/2-) | ||
| 3002.32 11 | A | 3/2,5/2,7/2(-) | 1365.3 5 1386.99 17 1500.6 5 1697.6 5 2281.1 6 2447.3 7 2495.82 22 2893.5 3 3001.9 8 | 33 8 79 8 100 13 21 7 21 7 36 10 99 9 58 7 37 13 | 1637.07 1615.22 1501.63 1304.25 721.67 555.55 506.592 108.789 0 | 3/2,5/2,7/2 3/2,5/2,7/2 (LE7/2-) LE7/2(-) (5/2-) 3/2(-) | ||
| 3044.57 19 ? | A | 1041.80 15 ? 2322.6 8 ? 3043.7 9 ? | 100 12 50 20 24 22 | 2002.80 721.67 0 | (LE7/2-) 3/2(-) | |||
| 3046.23 20 | A | 3/2,5/2,7/2 | 1008.98 23 2539.4 3 | 100 16 91 12 | 2037.36 506.592 | LE7/2(-) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 3056.96 16 | A | 3/2,5/2,7/2 | 1555.3 4 2395.1 7 2550.6 4 3056.80 22 | 70 20 15 5 21.0 25 100 10 | 1501.63 662.42 506.592 0 | 3/2,5/2,7/2 LE7/2(-) 3/2(-) | ||
| 3090.67 12 | A | 3/2,5/2,7/2 | 1311.34 21 1589.2 5 1823.05 24 1880.1 4 2981.85 19 | 34 4 8.3 23 23 3 19 3 100 6 | 1779.05 1501.63 1267.69 1211.10 108.789 | 3/2,5/2,7/2 (5/2-) | ||
| 3113.61 13 | A | 3/2,5/2,7/2(-) | 384.3 4 1338.0 4 ? 1789.43 21 2391.8 9 2558.0 4 2606.9 5 3005.1 10 3113.50 20 | 3.1 12 8.2 16 19.2 20 5.3 20 8 3 11.4 22 5 4 100 6 | 2729.16 1775.51 1324.27 721.67 555.55 506.592 108.789 0 | 3/2,5/2,7/2 (LE7/2-) LE7/2(-) (5/2-) 3/2(-) | ||
| 3206.19 17 | A | 3/2,5/2,7/2 | 1231.1 3 1995.0 8 2072.25 25 3097.4 3 | 14 6 12 6 85 12 100 11 | 1975.20 1211.10 1133.79 108.789 | (9/2+) (5/2-) | ||
| 3218.22 24 | A | 1913.9 8 2555.8 6 2663.0 7 3109.6 5 | 18 8 27 12 24 7 100 22 | 1304.25 662.42 555.55 108.789 | (5/2-) | |||
| 3325.07 25 | A | 3/2,5/2,7/2(-) | 1710.0 4 2769.4 5 3324.9 4 | 100 32 86 21 89 13 | 1615.22 555.55 0 | 3/2,5/2,7/2 3/2(-) | ||
| 3349 | B | 500.4 | 100 | 2849 | ||||
| 3573 | BC | 592.2 2 | 100 | 2979.4 | (17/2+) | |||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 3687.6 4 | A | 3/2,5/2,7/2 | 2966.6 7 3180.9 8 3578.4 5 | 100 28 86 31 86 21 | 721.67 506.592 108.789 | (LE7/2-) LE7/2(-) (5/2-) | ||
| 3878 | BC | 304.1 3 | 100 | 3573 | ||||
| 3910.11 25 | A | 3/2,5/2,7/2(-) | 2585.6 5 2642.5 4 2732.1 7 3403.4 5 3910.0 11 | 42 11 85 15 100 31 67 15 20 7 | 1324.27 1267.69 1178.07 506.592 0 | LE7/2(-) 3/2(-) | ||
| 3974.3 3 | A | (3/2,5/2,7/2) | 1129.8 6 1884.3 8 2251.4 5 ? 3973.9 10 | 76 27 73 12 100 27 33 12 | 2844.57 2089.81 1722.87 0 | 3/2,5/2,7/2 3/2,5/2,7/2 3/2(-) | ||
| 4072.07 25 ? | A | 1227.49 22 ? | 100 | 2844.57 | 3/2,5/2,7/2 | |||
| 4097 | BC | (21/2+) | 1118.8 2 | 100 | Q | 2979.4 | (17/2+) | |
| 4129.19 21 | A | 3/2,5/2,7/2(-) | 1202.2 4 2039.36 24 2627.7 8 4129.3 10 | 30 7 100 11 45 6 13 4 | 2926.9 2089.81 1501.63 0 | 3/2,5/2,7/2 3/2,5/2,7/2 3/2(-) | ||
| 4199.5 3 ? | A | (3/2,5/2,7/2) | 1085.9 3 ? 4199.6 8 ? | 100 19 63 19 | 3113.61 0 | 3/2,5/2,7/2(-) 3/2(-) | ||
| 4211.7 3 | A | 3/2(+) TO 7/2(+) | 1247.4 4 1834.6 4 2809.9 12 3490.0 11 3705.0 11 | 100 25 75 15 70 40 43 20 38 15 | 2964.14 2377.29 1401.83 721.67 506.592 | 3/2,5/2,7/2 (LE7/2-) LE7/2(-) | ||
| 4543.3 3 | A | 3/2(+) TO 7/2(+) | 569.00 19 1563.6 4 1856.6 8 3041.3 10 | 100 13 85 17 40 17 62 28 | 3974.3 2979.75 2686.81 1501.63 | (3/2,5/2,7/2) 3/2,5/2,7/2 3/2,5/2,7/2 3/2,5/2,7/2 | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 4545.9 4 ? | A | (3/2+,5/2+,7/2+) | 2930.8 5 ? 4436.8 6 ? | 100 22 36 7 | 1615.22 108.789 | 3/2,5/2,7/2 (5/2-) | ||
| 4569.7 5 | A | 3/2(+) TO 7/2(+) | 2480.0 7 3265.4 10 3435.7 10 | 100 29 29 10 45 18 | 2089.81 1304.25 1133.79 | 3/2,5/2,7/2 (9/2+) | ||
| 4570 | BC | 473.8 2 | 100 | 4097 | (21/2+) | |||
| 4683.6 3 | A | 3/2(+) TO 7/2(+) | 1626.7 4 1681.2 3 2904.4 11 | 100 29 53 9 23 12 | 3056.96 3002.32 1779.05 | 3/2,5/2,7/2 3/2,5/2,7/2(-) | ||
| 4698.06 24 ? | A | 1479.90 21 ? 3393.6 3 ? | 100 11 52 6 | 3218.22 1304.25 | ||||
| 5298 | BC | 727.5 2 | 100 | 4570 | ||||
| 6238.9 | C | 939.4 3 | 100 | 5298 | ||||
E(level): From least-squares fit to adopted Eγ.
Jπ(level): Most Jπ arguments are based on log ft and/or log f1ut for β- decay from 5/2(+); Jπ=3/2(+) to 7/2(+) if log ft<5.9, J=3/2 to 7/2 if log f1ut<8.5. Detailed arguments are given for each level.
T1/2(level): From βγ(t) in β- decay (1986Si20), unless noted otherwise.
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
| Band 1 - π g9/2, α=+1/2 band. | |||||||
| 1133.79 6 | (9/2+) | 16.6 ns 6 % IT = 100 | |||||
| 1840.5 4 | (13/2+) | 706.7 2 | 100 | Q | 1133.79 | (9/2+) | |
| 2979.4 | (17/2+) | 1138.2 3 | 100 | Q | 1840.5 | (13/2+) | |
| 4097 | (21/2+) | 1118.8 2 | 100 | Q | 2979.4 | (17/2+) | |
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
| 108.789 | (5/2-) | 0.8 ns 3 | 108.788 6 | M1(+E2) | 0.12 +5-9 | 0.123 | B(E2)(W.u.)=24 22, B(M1)(W.u.)=0.019 7, α=0.123 9 |
| 1133.79 | (9/2+) | 16.6 ns 6 % IT = 100 | 1024.91 15 | [M2] | B(M2)(W.u.)=0.042 5 | ||
| (9/2+) | 16.6 ns 6 % IT = 100 | 1134.1 | [E3] | B(E3)(W.u.)=4.1 13 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | 3/2(-) | 58.2 s 3 % β- = 100 | Q=+0.19 5, μ=+2.1815 15 Δ<r2>(81Rb-87Rb)=-0.532 12 (1979Kl03), 0.558 4 (1981Th04). E(level): Δ<r2>(81Rb-87Rb)=-0.532 12 (1979Kl03), 0.558 4 (1981Th04). |
| 1133.79 | (9/2+) | 16.6 ns 6 % IT = 100 | E(level): π g9/2, α=+1/2 band. Jπ(level): Based on band assignment. Member of sequence connected by γ cascade to (9/2+) 1134-keV isomer. |
| 1840.5 | (13/2+) | E(level): π g9/2, α=+1/2 band. Jπ(level): Based on band assignment. Member of sequence connected by γ cascade to (9/2+) 1134-keV isomer. | |
| 2979.4 | (17/2+) | E(level): π g9/2, α=+1/2 band. Jπ(level): Based on band assignment. Member of sequence connected by γ cascade to (9/2+) 1134-keV isomer. | |
| 4097 | (21/2+) | E(level): π g9/2, α=+1/2 band. Jπ(level): Based on band assignment. Member of sequence connected by γ cascade to (9/2+) 1134-keV isomer. |
| E(level) | E(gamma) | Comments |
| 1133.79 | 1134.1 | E(γ): From 252Cf SF decay. I(γ): From 252Cf SF decay. |
| 1775.51 | 1666.73 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided |
| 1840.5 | 706.7 | E(γ): From 238U(48Ca,Xγ). I(γ): From 238U(48Ca,Xγ). M(γ): From 238U(48Ca,Xγ). |
| 2844.57 | 1666.73 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided |
| 2849 | 1008.7 | E(γ): From 252Cf SF decay. I(γ): From 252Cf SF decay. |
| 2902 | 1061.5 | E(γ): From 252Cf SF decay. I(γ): From 252Cf SF decay. |
| 2979.4 | 1138.2 | E(γ): From 252Cf SF decay. I(γ): From 252Cf SF decay. M(γ): From 238U(48Ca,Xγ). |
| 3218.22 | 2555.8 | E(γ): Multiply placed with intensity suitably divided I(γ): Multiply placed with intensity suitably divided |
| 3349 | 500.4 | E(γ): From 252Cf SF decay. I(γ): From 252Cf SF decay. |
| 3573 | 592.2 | E(γ): From 238U(48Ca,Xγ). I(γ): From 238U(48Ca,Xγ). |
| 3878 | 304.1 | E(γ): From 238U(48Ca,Xγ). I(γ): From 238U(48Ca,Xγ). |
| 4097 | 1118.8 | E(γ): From 238U(48Ca,Xγ). I(γ): From 238U(48Ca,Xγ). M(γ): From 238U(48Ca,Xγ). |
| 4570 | 473.8 | E(γ): From 238U(48Ca,Xγ). I(γ): From 238U(48Ca,Xγ). |
| 5298 | 727.5 | E(γ): From 238U(48Ca,Xγ). I(γ): From 238U(48Ca,Xγ). |
| 6238.9 | 939.4 | E(γ): From 238U(48Ca,Xγ). I(γ): From 238U(48Ca,Xγ). |
Other experiments:
Isotopic shift and nuclear charge radius: 1981Th04, 1979Kl03.
Nuclear structure (theory, partial list): 1986Si20 (interacting boson-fermion model); 2010Ro31 (self-consistent Hartree-Fock, Gogni energy density functional); 2011Ho11 (FRDM + QRPA + Hauser-Feshbach calculations of β-delayed n and γ spectra; comparison with TAGS data).
Nuclear charge radius: 1987My01, 1980Ca23.
Q-value: Q(βn)=132 8 (2012Wa38).