ADOPTED LEVELS, GAMMAS for 75As
Authors: Alexandru Negret, Balraj Singh | Citation: Nucl. Data Sheets 114, 841 (2013) | Cutoff date: 30-Jun-2013
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-864.7 keV 9 | S(n)= 10245.5 keV 19 | S(p)= 6900.7 keV 9 | Q(α)= -5320.0 keV 12 | ||
Reference: 2012WA38 |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABCDEFGHIJK | 3/2- | STABLE | |||||
198.6063 8 | ABCD FGHIJK | 1/2- | 885 ps 30 | 198.6060 12 | 100 | M1+E2 | 0.0 | 3/2- |
264.6581 6 | AB D FGHIJK | 3/2- | 11.2 ps 3 | 66.0518 8 264.6576 9 | 1.887 12 100.0 5 | M1+E2 M1+E2 | 198.6063 0.0 | 1/2- 3/2- |
279.5428 8 | ABCD FGHIJK | 5/2- | 273 ps 3 | 14.89? 81.15 9 279.5422 10 | ≤0.0047 0.0339 26 100.0 5 | [M1(+E2)] E2 M1+E2 | 264.6581 198.6063 0.0 | 3/2- 1/2- 3/2- |
303.9243 8 | CD FG I K | 9/2+ | 17.62 ms 23 % IT = 100 | 24.38 303.9236 10 | 1.93 9 100.0 5 | M2(+E3) E3 | 279.5428 0.0 | 5/2- 3/2- |
400.6583 6 | AB D FGHIJK | 5/2+ | 1.67 ns 5 | 96.7340 9 121.1155 11 136.0001 6 400.6572 8 | 5.89 3 29.39 15 100.0 5 19.50 10 | E2 E1 E1 E1 | 303.9243 279.5428 264.6581 0.0 | 9/2+ 5/2- 3/2- 3/2- |
468.74 17 | A D FGHIJK | 1/2- | 204.26 270.2 4 468.8 2 | <0.5 1.5 5 100 4 | 264.6581 198.6063 0.0 | 3/2- 1/2- 3/2- | ||
572.41 3 | D FGHIJK | 5/2- | 2.9 ps 3 | 292.6 4 308.0 7 373.87 8 572.40 3 | 1.01 22 0.41 10 7.0 3 100.0 10 | [E2] M1+E2 | 279.5428 264.6581 198.6063 0.0 | 5/2- 3/2- 1/2- 3/2- |
585 7 | FG K | 1/2- | ||||||
617.68 4 | A D F HIJK | 1/2-,3/2- | 338.0 4 353.0 5 419.08 4 617.67 7 | 2.5 6 11.1 12 100 3 36.4 7 | M1(+E2) M1,E2 | 279.5428 264.6581 198.6063 0.0 | 5/2- 3/2- 1/2- 3/2- | |
821.62 15 | D FGHIJK | 7/2- | 3.0 ps 3 | 249.3 3 542.3 4 557.0 8 821.6 2 | 6.4 9 9.6 11 0.7 2 100.0 15 | [E2] [E2] | 572.41 279.5428 264.6581 0.0 | 5/2- 5/2- 3/2- 3/2- |
860.0 4 | G I K | 1/2+ | 459.44 582.3 661.4 859.93 | 100 39 36 82 | 400.6583 279.5428 198.6063 0.0 | 5/2+ 5/2- 1/2- 3/2- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
865.4 5 | F HIJ | (3/2-,5/2-) | 0.60 ps 5 | 292.0 564.4? 585.6 667.4 864.12 | 4 5 5 7 100 | [M2,E3] | 572.41 303.9243 279.5428 198.6063 0.0 | 5/2- 9/2+ 5/2- 1/2- 3/2- |
886.4 5 | F I | 313.51 606.32 621.3 | 38 100 28 | 572.41 279.5428 264.6581 | 5/2- 5/2- 3/2- | |||
1043.4 6 | FG I | 7/2- | 642.89 739.62 1044 | 100 41 22 | 400.6583 303.9243 0.0 | 5/2+ 9/2+ 3/2- | ||
1063.3 5 | FG IJ | 3/2- | 491.9 784.38 798.3 1063.12 | 19 100 60 9 | D+Q D+Q D+Q | 572.41 279.5428 264.6581 0.0 | 5/2- 5/2- 3/2- 3/2- | |
1074.5 7 | FGHIJK | 3/2- | 0.199 ps 13 | 458 608 875.6 1074.72 | 37 67 7 100 | M1+E2 | 617.68 468.74 198.6063 0.0 | 1/2-,3/2- 1/2- 1/2- 3/2- |
1080.8 8 | I | (5/2+) | 195.3 815.33 | 82 100 | 886.4 264.6581 | 3/2- | ||
1096.3 7 | I | (7/2-) | 815.33 | 100 | 279.5428 | 5/2- | ||
1100.2 6 | I | (5/2+,7/2-) | 795.6 1101.04 | 100 54 | 303.9243 0.0 | 9/2+ 3/2- | ||
1126.7 6 | F HI | (1/2+) | 1.02 ps 11 | 1127.77 | 100 | [E1] | 0.0 | 3/2- |
1127 6 | G K | 1/2-,3/2- | ||||||
1172.0 6 | I | (1/2-:7/2-) | 600.10 892.57 | 100 89 | 572.41 279.5428 | 5/2- 5/2- | ||
1203.5 6 | FGHI K | 3/2- | 734.7 924.2 1203.51 | 31 11 100 | 468.74 279.5428 0.0 | 1/2- 5/2- 3/2- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1260 4 ? | H | |||||||
1261 5 | F K | 9/2+ | ||||||
1302.3 7 | FG I | 5/2+ | 260.8 1020.34 | 32 100 | 1043.4 279.5428 | 7/2- 5/2- | ||
1309.5 4 | F I K | 7/2- | 445.1 736.9 908.9 1005.65 1044.22 1308.97 | 15 32 20 32 100 46 | 865.4 572.41 400.6583 303.9243 264.6581 0.0 | (3/2-,5/2-) 5/2- 5/2+ 9/2+ 3/2- 3/2- | ||
1349.4 6 | FGHI | 3/2- | 0.125 ps 22 | 881.2 947.86 1349.28 | 21 28 100 | 468.74 400.6583 0.0 | 1/2- 5/2+ 3/2- | |
1370.8 7 | F HI | (3/2-) | 0.15 ps 3 | 241.7 549.5 1370.65 | 83 30 100 | 1127 821.62 0.0 | 1/2-,3/2- 7/2- 3/2- | |
1420.2 5 | EF I | (5/2-) | 248.9 1142.02 1156.4 1420.04 | 80 100 18 30 | 1172.0 279.5428 264.6581 0.0 | (1/2-:7/2-) 5/2- 3/2- 3/2- | ||
1430 8 | G K | 9/2+ | ||||||
1430.5 6 | FGHI K | 3/2- | 303.6 1030.1 1232.0 1430.30 | 67 49 16 100 | 1126.7 400.6583 198.6063 0.0 | (1/2+) 5/2+ 1/2- 3/2- | ||
1503.4 5 | F HI | 3/2(+) | 403.3 682.0 1105.7 1302.8 1503.1 | 28 16 16 100 16 | 1100.2 821.62 400.6583 198.6063 0.0 | (5/2+,7/2-) 7/2- 5/2+ 1/2- 3/2- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1579.8 7 | F I | 1/2- | 1299.5 1580.6 | 100 12 | 279.5428 0.0 | 5/2- 3/2- | ||
1595 10 | FG | + | ||||||
1606.3 5 | F HI K | 1/2-,3/2- | 988.6 1137.9 1408.3 1605.52 | 15 24 31 100 | 617.68 468.74 198.6063 0.0 | 1/2-,3/2- 1/2- 1/2- 3/2- | ||
1654.6 6 | F I | 3/2(+) | 1037.1 1082.60 1653.99 | 54 100 79 | 617.68 572.41 0.0 | 1/2-,3/2- 5/2- 3/2- | ||
1660 10 | FG | 5/2-,7/2- | ||||||
1684.2 5 | I | (3/2-) | 557.4 825.0 1066.1 1281.5 1405.7 1684.7 | 55 55 100 68 86 91 | 1126.7 860.0 617.68 400.6583 279.5428 0.0 | (1/2+) 1/2+ 1/2-,3/2- 5/2+ 5/2- 3/2- | ||
1687.9 6 | I | 1/2(-) | 1070.6 1423.41 1688.0 | 23 33 100 | 617.68 264.6581 0.0 | 1/2-,3/2- 3/2- 3/2- | ||
1691 9 | K | 7/2- | ||||||
1765 7 ? | G | |||||||
1808 2 | FG K | 9/2+ | 1408 1504 1543 | 100 70 90 | 400.6583 303.9243 264.6581 | 5/2+ 9/2+ 3/2- | ||
1842 5 ? | H | |||||||
1873.2 5 | F HI K | 3/2- | 669 1009? 1052.1 1474 1568.8 1593.5 1609 1675.1 1872.30 | 176 18 73 52 100 91 42 | [E3] | 1203.5 865.4 821.62 400.6583 303.9243 279.5428 264.6581 198.6063 0.0 | 3/2- (3/2-,5/2-) 7/2- 5/2+ 9/2+ 5/2- 3/2- 1/2- 3/2- | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1900.9 6 | I | (5/2+) | 1599.0 1620.8 1899.24 | 80 77 100 | 303.9243 279.5428 0.0 | 9/2+ 5/2- 3/2- | ||
1909.2 7 | G I | 1/2+ | 1629.48 1644.7 | 67 100 | 279.5428 264.6581 | 5/2- 3/2- | ||
1928 10 | K | 7/2- | ||||||
1942 10 | G | 1/2-,3/2- | ||||||
1987.8 6 | I | 1/2 | 300.5 1517.90 1723.6 1987.8 | 22 100 35 47 | 1687.9 468.74 264.6581 0.0 | 1/2(-) 1/2- 3/2- 3/2- | ||
2001.0 5 | I | 5/2 | 938.6 1112.5 1178.6 1602.1 1737.4 1999.89 | 23 25 18 21 41 100 | 1063.3 886.4 821.62 400.6583 264.6581 0.0 | 3/2- 7/2- 5/2+ 3/2- 3/2- | ||
2009.8 6 | I | (5/2) | 912.9 1543.2 1704.5 2009.40 | 22 72 83 100 | 1096.3 468.74 303.9243 0.0 | (7/2-) 1/2- 9/2+ 3/2- | ||
2021.3 6 | I | (1/2-,3/2+) | 895.8 1753.2 2022.00 | 56 100 67 | 1126.7 264.6581 0.0 | (1/2+) 3/2- 3/2- | ||
2061 3 | F | 932 996 1757 | 63 100 88 | 1126.7 1063.3 303.9243 | (1/2+) 3/2- 9/2+ | |||
2066.8 6 | HI | (5/2+) | 757.4 763.9 1762.8 2067.6 | 100 93 86 79 | 1309.5 1302.3 303.9243 0.0 | 7/2- 5/2+ 9/2+ 3/2- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2098 | F H | 1033? 1233 1698 1794 2098 | 70 44 56 100 | 1063.3 865.4 400.6583 303.9243 0.0 | 3/2- (3/2-,5/2-) 5/2+ 9/2+ 3/2- | |||
2103.9 8 | I | 1/2(+) | 1245.0 2102.8 | 100 75 | 860.0 0.0 | 1/2+ 3/2- | ||
2111.1 5 | G I | 3/2- | 1537.6 1710.4 1914.3 2110.3 | 66 74 100 24 | 572.41 400.6583 198.6063 0.0 | 5/2- 5/2+ 1/2- 3/2- | ||
2148.2 6 | I | 1885.7 2147.3 | 52 100 | 264.6581 0.0 | 3/2- 3/2- | |||
2159.8 10 | I | 1/2+ | 2159.81 | 100 | 0.0 | 3/2- | ||
2175.8 10 | F HI | 1/2 | 575? 1911 4 1981 2175.80 | 100 14 | 1606.3 264.6581 198.6063 0.0 | 1/2-,3/2- 3/2- 1/2- 3/2- | ||
2210 10 | G | 5/2-,7/2- | ||||||
2228.0 7 | HI | 1/2-,3/2 | 1962.5 2228.49 | 100 100 | 264.6581 0.0 | 3/2- 3/2- | ||
2237.8 6 | I K | 3/2- | 364.3 1376.7 2239.09 | 28 36 100 | 1873.2 860.0 0.0 | 3/2- 1/2+ 3/2- | ||
2258.6 10 | I | 1/2 | 2258.60 | 100 | 0.0 | 3/2- | ||
2296 5 | G | 5/2-,7/2- | ||||||
2303.2 6 | I | (3/2-,5/2+) | 1206.1 1444.3 1481.9 2302.5 | 46 72 100 39 | 1096.3 860.0 821.62 0.0 | (7/2-) 1/2+ 7/2- 3/2- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2326.6 16 ? | I | 717.5? 2326.5? | 45 100 | 1606.3 0.0 | 1/2-,3/2- 3/2- | |||
2358.2 18 ? | I | 2358.2? | 100 | 0.0 | 3/2- | |||
2379.6 6 | G I K | 3/2- | 356.8 1559.4 2379.5 | 29 79 100 | 2021.3 821.62 0.0 | (1/2-,3/2+) 7/2- 3/2- | ||
2419.0 20 ? | I | 2419.4? | 100 | 0.0 | 3/2- | |||
2446 10 | G | 1/2-,3/2- | ||||||
2469 5 | F | |||||||
2485 10 | FGH | 1/2-,3/2- | ||||||
2503.5 6 | I | (1/2-,3/2,5/2+) | 1001.1 1616.8 1931.2 2502.4 | 53 100 30 68 | 1503.4 886.4 572.41 0.0 | 3/2(+) 5/2- 3/2- | ||
2508.2 6 | I | (5/2+) | 361.3 1379.5 2203.1 2507.6 | 50 65 79 100 | 2148.2 1126.7 303.9243 0.0 | (1/2+) 9/2+ 3/2- | ||
2528 10 | G | |||||||
2570.9 6 | F HI | (5/2+) | 1153.2 1526.0 1953 2103 2266.0 2307 2570.6 | 69 61 47 100 | 1420.2 1043.4 617.68 468.74 303.9243 264.6581 0.0 | (5/2-) 7/2- 1/2-,3/2- 1/2- 9/2+ 3/2- 3/2- | ||
2595 5 | GH | |||||||
2608.9 20 ? | I | 2608.9? | 100 | 0.0 | 3/2- | |||
2663 4 | F | 565? 2263 | | 2098 400.6583 | 5/2+ | |||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2683 | FGH | 1078? 1818 2214 2418 2484 2683 | 71 36 79 100 71 | 1606.3 865.4 468.74 264.6581 198.6063 0.0 | 1/2-,3/2- (3/2-,5/2-) 1/2- 3/2- 1/2- 3/2- | |||
2798 5 | G | |||||||
2920 5 | G | |||||||
2938 4 | F | 1516 1733 2634 | 78 100 83 | 1420.2 1203.5 303.9243 | (5/2-) 3/2- 9/2+ | |||
3046 10 | G | 1/2-,3/2- | ||||||
3099 10 | G | (1/2-,3/2-) | ||||||
3152 10 | G | (1/2-,3/2,5/2+) | ||||||
3222 15 | G | 1/2-,3/2- | ||||||
3308 10 | G | |||||||
3355 10 | G | |||||||
3414 15 | G | |||||||
3460 15 | G | |||||||
3565 15 | G | (1/2-,3/2-) | ||||||
3608 10 | G | (3/2+,5/2+) | ||||||
3716 10 | G | (1/2-,3/2,5/2+) | ||||||
3778 10 | G | (1/2-,3/2,5/2+) | ||||||
3869 10 | G | (1/2-,3/2,5/2+) | ||||||
3906 10 | G | |||||||
7645.4 10 | H | 1/2(+) | 1.3 fs 4 | 4959 4 5050 4 5074 4 5176 4 5413 4 5470 4 5549 4 5582 4 5774 4 5803 4 6039 4 6141 4 6214 4 6291 4 6384 4 6443 4 6512 4 6570 4 7028 4 7078 4 7178 4 7242 4 7381 4 7447 4 7646 4 | 1.2 5 2.4 5 2.2 5 4.4 10 1.2 5 6.1 5 0.24 24 2.9 5 2.9 5 17.3 15 2.2 5 3.4 7 5.1 5 16.6 12 13.9 12 7.1 5 23.7 20 100 7 3.7 7 27.6 22 | 2683 2595 2570.9 2469 2228.0 2175.8 2098 2066.8 1873.2 1842 1606.3 1503.4 1430.5 1349.4 1260 1203.5 1127 1074.5 617.68 572.41 468.74 400.6583 264.6581 198.6063 0.0 | (5/2+) 1/2-,3/2 1/2 (5/2+) 3/2- 1/2-,3/2- 3/2(+) 3/2- 3/2- 3/2- 1/2-,3/2- 3/2- 1/2-,3/2- 5/2- 1/2- 5/2+ 3/2- 1/2- 3/2- | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
9399 | F | 6461 6713 6733 6824? 7221 7299 7335? 7524 7591 7793 7891 7966 7976 8046 8193 8268 8331? 8343? 8353? 8536 8779 8828 8930 8997 9093 9120 9133 9200 9398 | 100 78 73 ≤15 36 93 ≤15 90 61 63 55 31 28 55 82 31 ≤15 ≤15 ≤15 58 70 63 67 36 24 39 78 93 70 | 2938 2683 2663 2570.9 2175.8 2098 2061 1873.2 1808 1606.3 1503.4 1430.5 1420.2 1349.4 1203.5 1127 1063.3 1063.3 1043.4 860.0 617.68 572.41 468.74 400.6583 303.9243 279.5428 264.6581 198.6063 0.0 | (5/2+) 1/2 3/2- 9/2+ 1/2-,3/2- 3/2(+) 3/2- (5/2-) 3/2- 3/2- 1/2-,3/2- 3/2- 3/2- 7/2- 1/2+ 1/2-,3/2- 5/2- 1/2- 5/2+ 9/2+ 5/2- 3/2- 1/2- 3/2- | |||
10421 3 | E | (1/2-) | ||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
10639 3 | E | (9/2+) | ||||||
10668 3 | E | (1/2-) | ||||||
10999 3 | E | (3/2-) | ||||||
11027 3 | E | (3/2+) | ||||||
11092 | E | |||||||
11118 | E | (1/2+) | ||||||
11334 3 | E | (1/2-) | ||||||
11570 | E | (3/2-) | ||||||
11842 3 | E | (5/2+) | ||||||
11871 | E | |||||||
11884 3 | E | |||||||
11958 3 | E | |||||||
12108 | E | |||||||
12273 | E | |||||||
12411 | E | |||||||
12657 | E | |||||||
12782 | E | |||||||
12953 | E | |||||||
13068 | E | |||||||
13282 | E |
E(level): From least-squares fit to Eγ data for levels populated in γ-ray studies
E(γ): From 75Se ε decay, except as noted. Gammas from levels higher than 822 are from (n,n’γ). Uncertainty of 1 keV when not given. Reduced χ2=1.2
I(γ): Relative photon branching from each level
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
198.6063 | 1/2- | 885 ps 30 | 198.6060 12 | M1+E2 | 0.389 17 | 0.0208 | B(E2)(W.u.)=14.2 12, B(M1)(W.u.)=0.00270 10, α=0.0208 6, α(K)=0.0184 5, α(L)=0.00202 6, α(M)=0.000307 9, α(N)=2.28E-5 7 |
264.6581 | 3/2- | 11.2 ps 3 | 66.0518 8 | M1+E2 | +0.066 19 | 0.298 | B(E2)(W.u.)=1.7×102 10, B(M1)(W.u.)=0.125 4, α=0.298 11, α(K)=0.264 9, α(L)=0.0296 14, α(M)=0.00452 22, α(N)=0.000336 14 |
3/2- | 11.2 ps 3 | 264.6576 9 | M1+E2 | -0.07 2 | 0.00718 | B(E2)(W.u.)=10 6, B(M1)(W.u.)=0.103 3, α=0.00718 11, α(K)=0.00639 10, α(L)=0.000675 11, α(M)=0.0001030 16, α(N)=7.83E-6 | |
279.5428 | 5/2- | 273 ps 3 | 14.89 | [M1(+E2)] | 0.15 15 | 50 | B(M1)(W.u.)=0.019 16, α=50 30, α(K)=28 9, α(L)=20 18, α(M)=3 3, α(N)=0.15 13 |
5/2- | 273 ps 3 | 81.15 9 | E2 | 1.72 | B(E2)(W.u.)=10.2 9, α=1.72, α(K)=1.472 21, α(L)=0.213 3, α(M)=0.0322 5, α(N)=0.00211 3 | ||
5/2- | 273 ps 3 | 279.5422 10 | M1+E2 | -0.49 3 | 0.0084 | B(E2)(W.u.)=12.0 13, B(M1)(W.u.)=0.00286 11, α=0.0084 3, α(K)=0.00751 23, α(L)=0.000807 25, α(M)=0.000123 4, α(N)=9.2E-6 3 | |
303.9243 | 9/2+ | 17.62 ms 23 % IT = 100 | 24.38 | M2(+E3) | 0.013 13 | 205 | B(M2)(W.u.)=0.044 10, α=205 5, α(K)=165.6 24, α(L)=33.3 22, α(M)=5.2 4, α(N)=0.364 17 |
9/2+ | 17.62 ms 23 % IT = 100 | 303.9236 10 | E3 | 0.0538 | B(E3)(W.u.)=0.171 8, α=0.0538, α(K)=0.0469 7, α(L)=0.00592 9, α(M)=0.000899 13, α(N)=6.30E-5 9 | ||
400.6583 | 5/2+ | 1.67 ns 5 | 96.7340 9 | E2 | 0.893 | B(E2)(W.u.)=76.4 25, α=0.893, α(K)=0.772 11, α(L)=0.1044 15, α(M)=0.01576 22, α(N)=0.001058 15 | |
5/2+ | 1.67 ns 5 | 121.1155 11 | E1 | 0.0417 | B(E1)(W.u.)=2.29E-5 7, α=0.0417, α(K)=0.0372 6, α(L)=0.00388 6, α(M)=0.000588 9, α(N)=4.37E-5 7 | ||
5/2+ | 1.67 ns 5 | 136.0001 6 | E1 | 0.0295 | B(E1)(W.u.)=5.51E-5 17, α=0.0295, α(K)=0.0263 4, α(L)=0.00274 4, α(M)=0.000415 6, α(N)=3.10E-5 5 | ||
5/2+ | 1.67 ns 5 | 400.6572 8 | E1 | 0.001346 | B(E1)(W.u.)=4.21E-7 13, α=0.001346 19, α(K)=0.001202 17, α(L)=0.0001241 18, α(M)=1.89E-5 3, α(N)=1.432E-6 | ||
572.41 | 5/2- | 2.9 ps 3 | 373.87 8 | [E2] | 0.00646 | B(E2)(W.u.)=92 11, α=0.00646 10, α(K)=0.00573 9, α(L)=0.000620 10, α(M)=9.43E-5 15, α(N)=7.01E-6 11 | |
5/2- | 2.9 ps 3 | 572.40 3 | M1+E2 | +0.39 5 | 0.00122 | B(E2)(W.u.)=21 5, B(M1)(W.u.)=0.032 4, α=0.00122 3, α(K)=0.001093 22, α(L)=0.0001138 23, α(M)=1.73E-5 4, α(N)=1.32E-6 | |
617.68 | 1/2-,3/2- | 419.08 4 | M1(+E2) | 0.35 LT | 0.00258 | α=0.00258 24 | |
1/2-,3/2- | 617.67 7 | M1,E2 | 0.00116 | α=0.00116 20 | |||
821.62 | 7/2- | 3.0 ps 3 | 557.0 8 | [E2] | 0.00184 | B(E2)(W.u.)=1.1 4, α=0.00184 3, α(K)=0.001635 24, α(L)=0.000173 3, α(M)=2.64E-5 4, α(N)=1.98E-6 3 | |
7/2- | 3.0 ps 3 | 821.6 2 | [E2] | 0.000626 | B(E2)(W.u.)=23.0 24, α=0.000626 9, α(K)=0.000558 8, α(L)=5.82E-5 9, α(M)=8.87E-6 13, α(N)=6.73E-7 10 | ||
1063.3 | 3/2- | 491.9 | D+Q | +0.81 | |||
3/2- | 784.38 | D+Q | -0.67 | ||||
3/2- | 1063.12 | D+Q | -1.25 | ||||
1074.5 | 3/2- | 0.199 ps 13 | 875.6 | M1+E2 | +0.38 | 0.000464 | B(E2)(W.u.)=2.4, B(M1)(W.u.)=0.0094, α=0.000464 7, α(K)=0.000414 6, α(L)=4.27E-5 6, α(M)=6.51E-6 10, α(N)=4.98E-7 7 |
1126.7 | (1/2+) | 1.02 ps 11 | 1127.77 | [E1] | B(E1)(W.u.)=2.6E-4 3 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 3/2- | STABLE | μ=+1.439475 65 (1953Ti01,1989Ra17,2011StZZ), Q=+0.314 6 (1982Ef01,1989Ra17,2011StZZ) RMS charge radius <r2>1/2=4.0968 fm 20 (2004An14 evaluation; and 2008 update available at http://cdfe.sinp.msu.ru). |
585 | 1/2- | XREF: γ(?). | |
1043.4 | 7/2- | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1063.3 | 3/2- | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1074.5 | 3/2- | 0.199 ps 13 | E(level): From levels in Coulomb excitation. |
1080.8 | (5/2+) | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1126.7 | (1/2+) | 1.02 ps 11 | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). |
1203.5 | 3/2- | XREF: γ(1213). | |
1261 | 9/2+ | XREF: K(1272). | |
1302.3 | 5/2+ | XREF: γ(1297). | |
1370.8 | (3/2-) | 0.15 ps 3 | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). |
1420.2 | (5/2-) | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1430.5 | 3/2- | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1503.4 | 3/2(+) | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1579.8 | 1/2- | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1654.6 | 3/2(+) | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1684.2 | (3/2-) | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1687.9 | 1/2(-) | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1873.2 | 3/2- | XREF: K(1878). | |
1900.9 | (5/2+) | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
1909.2 | 1/2+ | XREF: γ(1903). | |
1987.8 | 1/2 | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
2001.0 | 5/2 | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
2021.3 | (1/2-,3/2+) | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
2103.9 | 1/2(+) | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
E(level) | Jπ(level) | T1/2(level) | Comments |
2159.8 | 1/2+ | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
2175.8 | 1/2 | XREF: F(2180). Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
2228.0 | 1/2-,3/2 | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
2237.8 | 3/2- | XREF: K(2246). Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
2258.6 | 1/2 | Jπ(level): From comparison of measured yield and γ(θ) with Hauser-Feshbach calculation in 75As(n,n’γ). | |
2379.6 | 3/2- | XREF: γ(2385). | |
2485 | 1/2-,3/2- | XREF: F(2470)H(2470). | |
2595 | XREF: H(2596). | ||
2683 | XREF: γ(2680). | ||
3308 | Jπ(level): L=1+4 for 3308+3355 levels. | ||
3355 | Jπ(level): L=1+4 for 3308+3355 levels. | ||
3414 | Jπ(level): L=(1+2) for 3414+3460 levels. | ||
3460 | Jπ(level): L=(1+2) for 3414+3460 levels. | ||
10421 | (1/2-) | E(level): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation. Jπ(level): From L transfer and/or Jπ of parent state in 75Ge. | |
10639 | (9/2+) | E(level): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation. Jπ(level): From L transfer and/or Jπ of parent state in 75Ge. | |
10668 | (1/2-) | E(level): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation. Jπ(level): From L transfer and/or Jπ of parent state in 75Ge. | |
10999 | (3/2-) | E(level): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation. Jπ(level): From L transfer and/or Jπ of parent state in 75Ge. | |
11027 | (3/2+) | E(level): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation. Jπ(level): From L transfer and/or Jπ of parent state in 75Ge. | |
11118 | (1/2+) | E(level): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation. Jπ(level): From L transfer and/or Jπ of parent state in 75Ge. | |
11334 | (1/2-) | E(level): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation. Jπ(level): From L transfer and/or Jπ of parent state in 75Ge. | |
11570 | (3/2-) | E(level): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation. Jπ(level): From L transfer and/or Jπ of parent state in 75Ge. | |
11842 | (5/2+) | E(level): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation. Jπ(level): From L transfer and/or Jπ of parent state in 75Ge. |
E(level) | E(gamma) | Comments |
468.74 | 204.26 | E(γ): From 75Ge β- decay (82.78 min) | 270.2 | E(γ): From 75Ge β- decay (82.78 min) | 468.8 | E(γ): From 75Ge β- decay (82.78 min) |
572.41 | 292.6 | E(γ): From Coulomb excitation | 308.0 | E(γ): From Coulomb excitation | 373.87 | E(γ): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation I(γ): from ε decay. 0.51 20 in Coul. ex. | 572.40 | E(γ): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation |
617.68 | 338.0 | E(γ): From 75Ge β- decay (82.78 min) I(γ): from 75Ge β-. Others: 6.2 in (n,n’γ), 12 in Coul. ex. | 353.0 | E(γ): From 75Ge β- decay (82.78 min) | 617.67 | I(γ): from ε decay. Other: 62 3 from 75Ge decay is in disagreement |
821.62 | 249.3 | E(γ): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation | 542.3 | E(γ): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation | 557.0 | E(γ): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation | 821.6 | E(γ): Weighted average of Eγ data from 75Se ε decay (119.78 d) and Coulomb excitation |
865.4 | 564.4 | E(γ): questionable γ ray due to M2 or E3 multipolarity involved, and poor fit in level scheme. Level-energy difference=561.5. Poor energy fit |
1043.4 | 739.62 | I(γ): 100 in (p,γ) is discrepant | 1044 | E(γ): from (p,γ) only |
1080.8 | 815.33 | E(γ): Multiply placed |
1096.3 | 815.33 | E(γ): Multiply placed |
1302.3 | 1020.34 | E(γ): level-energy difference=1022.8 |
1503.4 | 1105.7 | E(γ): level-energy difference=1102.7 |
1684.2 | 1281.5 | E(γ): level-energy difference=1283.5 |
1873.2 | 669 | I(γ): calculated based on the intensities seen in 74Ge(p,γ) where the 1593.5 γ was not observed. | 1474 | I(γ): calculated based on the intensities seen in 74Ge(p,γ) where the 1593.5 γ was not observed. | 1568.8 | E(γ): This placement is unlikely since ΔJπ requires E3 |
E(level) | E(gamma) | Comments |
1900.9 | 1599.0 | E(γ): level-energy difference=1596.9 |
2001.0 | 1112.5 | E(γ): level-energy difference=1114.6 |
2009.8 | 1543.2 | E(γ): level-energy difference=1541.0 |
2021.3 | 1753.2 | E(γ): level-energy difference=1756.6. Poor energy fit |
2148.2 | 1885.7 | E(γ): level-energy difference=1883.5 |
2175.8 | 1911 | E(γ): From 75As(γ,γ’) |
2570.9 | 1153.2 | E(γ): level-energy difference=1150.6 | 1953 | E(γ): γ seen only in 74Ge(p,γ), where the 2570.6γ was not observed. | 2103 | E(γ): γ seen only in 74Ge(p,γ), where the 2570.6γ was not observed. | 2307 | E(γ): γ seen only in 74Ge(p,γ), where the 2570.6γ was not observed. |
75As identified as a mass 75 isotope by Aston: Phil Mag 40, 632 (1920) in mass spectrum of AsH3
Other reactions: 78Se(p,α) E=15-16 MeV; measured Q (1982Zu04)
75As(α,α’) E=96, 115 MeV; measured excitation energy, σ(θ) (1978Mo10) and E=6.3-14.7 MeV, measured σ(E) (1994Bi01)
Mass measurements: 1985El01, 1977De20, 1976De21
Nuclear moment, hyperfine structure: 1996Ta15, 1994Pa36, 1987Bo57, 1987Bo55
Nuclear structure calculations: 1997La16, 1996St16, 1995Fe15, 1990Ho10, 1989Va16, 1985Ve10
Q-value: S(2n)=18224 4, S(2p)=17912.8 19 (2012Wa38)