ADOPTED LEVELS, GAMMAS for 71Br
Authors: Balraj Singh and Jun Chen | Citation: Nucl. Data Sheets 188, 1 (2023) | Cutoff date: 17-Jan-2023
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-1018×101 keV 13 | S(n)= 13148 keV 16 | S(p)= 1861 keV 6 | Q(α)= -2340 keV 5 | ||
Reference: 2021WA16 |
References: | |||
A | 71Kr ε decay (94.9 MS) | B | 40Ca(34S,p2nγ),(35Cl,2P2NG), |
C | 40Ca(40Ca,2APG) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABC | (5/2)- | 21.4 s 6 % ε = 100 | |||||
9.86 14 | ABC | (1/2-) | 9.86 14 S | | 0.0 | (5/2)- | ||
207.89 13 | ABC | (3/2-) | 198.0 2 207.9 2 | 100 29 73 12 | (M1+E2) | 9.86 0.0 | (1/2-) (5/2)- | |
407.09 16 | ABC | (5/2)- | 199.0 5 397.2 2 407.3 3 | 100 11 21.5 31 47 8 | Q (M1+E2) | 207.89 9.86 0.0 | (3/2-) (1/2-) (5/2)- | |
615.13 24 | C | (3/2,7/2-) | 208.0 5 407.2 3 | | 407.09 207.89 | (5/2)- (3/2-) | ||
669.61 14 | BC | (5/2+) | 54.8 5 262.5 3 461.7 2 669.5 2 | 38.2 17 100.0 22 68 4 | D D | 615.13 407.09 207.89 0.0 | (3/2,7/2-) (5/2)- (3/2-) (5/2)- | |
722.1 3 ? | C | (7/2-) | 514.3 3 ? | 100 | 207.89 | (3/2-) | ||
759.09 19 | BC | (9/2+) | 32.5 ns 25 | 89.3 4 759.1 3 | 100 100 | (E2) (M2) | 669.61 0.0 | (5/2+) (5/2)- |
776.2 4 | C | (5/2-) | 568.3 4 | 100 | (D(+Q)) | 207.89 | (3/2-) | |
806.6 3 | BC | (7/2-) | 598.7 3 | 100 | Q | 207.89 | (3/2-) | |
892.12 22 | C | (7/2+) | 133.2 3 222.4 3 276.5 5 | 100 7 <274 22 4 | (D(+Q)) (M1+E2) D | 759.09 669.61 615.13 | (9/2+) (5/2+) (3/2,7/2-) | |
929.30 25 | C | (7/2-) | 522.2 4 721.0 10 929.3 4 | 100 4 58 3 89 5 | 407.09 207.89 0.0 | (5/2)- (3/2-) (5/2)- | ||
1055.4 4 ? | C | (9/2-) | 1055.7 5 | 100 | 0.0 | (5/2)- | ||
1070.3 4 ? | C | (7/2-) | 663.4 4 ? | 100 | (M1+E2) | 407.09 | (5/2)- | |
1174.06 22 | C | (9/2+) | 281.9 3 414.8 3 504.5 3 | 39.3 18 93.4 33 100 4 | (D+Q) (M1+E2) | 892.12 759.09 669.61 | (7/2+) (9/2+) (5/2+) | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1490.2 3 | C | (11/2+) | 316.1 3 598.0 4 731.2 4 | 43.1 28 <707 100 6 | (D(+Q)) (M1+E2) | 1174.06 892.12 759.09 | (9/2+) (7/2+) (9/2+) | |
1491.8 3 | C | (9/2-) | 562.5 3 | 100 | (M1+E2) | 929.30 | (7/2-) | |
1496.6 3 | BC | (13/2+) | 737.6 3 | 100 | (Q) | 759.09 | (9/2+) | |
1586.1 4 | C | (11/2+) | 827.2 4 | 100 | 759.09 | (9/2+) | ||
1683.4 4 | C | (9/2-) | 613.4 4 907.2 4 | 100 6 <870 | 1070.3 776.2 | (7/2-) (5/2-) | ||
1714.2 3 | BC | (11/2-) | 222.4 3 907.7 4 954.2 5 992.4 5 | <50 <183 100 5 | (M1+E2) (D(+Q)) | 1491.8 806.6 759.09 722.1 | (9/2-) (7/2-) (9/2+) (7/2-) | |
2122.0 3 | C | (13/2+) | 535.9 4 625.4 4 947.8 4 | 16.1 14 7.4 9 100 7 | (D(+Q)) | 1586.1 1496.6 1174.06 | (11/2+) (13/2+) (9/2+) | |
2216.6 4 | C | (13/2-) | 724.5 5 1161.3 4 | 100.0 30 79.9 30 | 1491.8 1055.4 | (9/2-) (9/2-) | ||
2217.1 4 | C | (13/2+) | 631.2 4 727.0 5 | | (D(+Q)) | 1586.1 1490.2 | (11/2+) (11/2+) | |
2352.4 4 | C | (15/2+) | 861.9 4 | 100 | 1490.2 | (11/2+) | ||
2392.8 4 | BC | (17/2+) | 896.2 3 | 100 | 1496.6 | (13/2+) | ||
2477.6 4 | C | (13/2-) | 762.8 4 794.5 5 | 100.0 27 90.4 27 | (M1+E2) | 1714.2 1683.4 | (11/2-) (9/2-) | |
2520.0 4 | BC | (15/2-) | 303.4 5 806.0 3 | 1.1 3 100.0 21 | 2216.6 1714.2 | (13/2-) (11/2-) | ||
3046.6 4 | C | (17/2+) | 653.8 4 693.8 5 829.9 5 924.6 5 | 100 | 2392.8 2352.4 2217.1 2122.0 | (17/2+) (15/2+) (13/2+) (13/2+) | ||
3187.9 5 | C | (17/2-) | 971.4 4 | 100 | 2216.6 | (13/2-) | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3262.0 5 | C | (17/2+) | 869.4 4 1139.8 5 | 19 3 100 6 | 2392.8 2122.0 | (17/2+) (13/2+) | ||
3376.9 4 | C | (17/2-) | 857.1 4 898.9 4 | 100.0 27 73 8 | (M1+E2) | 2520.0 2477.6 | (15/2-) (13/2-) | |
3434.0 6 | C | (19/2+) | 1081.6 4 | 100 | 2352.4 | (15/2+) | ||
3475.2 5 | BC | (21/2+) | 1082.4 4 | 100 | 2392.8 | (17/2+) | ||
3529.3 4 | C | (19/2-) | 1009.4 3 | 100 | 2520.0 | (15/2-) | ||
4015.9 4 | C | (21/2-) | 486.8 3 638.8 3 | 100.0 29 60.1 23 | (M1+E2) | 3529.3 3376.9 | (19/2-) (17/2-) | |
4092.2 7 | C | (21/2+) | 1045.6 5 | 100 | 3046.6 | (17/2+) | ||
4311.1 4 | C | (21/2-) | 781.7 4 934.2 4 1123.3 4 | 35.1 13 83.1 28 100.0 31 | (D(+Q)) | 3529.3 3376.9 3187.9 | (19/2-) (17/2-) (17/2-) | |
4313.8 6 | C | (21/2+) | 1051.8 4 | 100 | 3262.0 | (17/2+) | ||
4503.0 6 | C | (25/2+) | 1027.8 4 | 100 | 3475.2 | (21/2+) | ||
4741.9 5 | C | (23/2-) | 1212.3 4 | 100 | 3529.3 | (19/2-) | ||
4743.6 7 | C | (25/2+) | 1268.4 4 | 100 | 3475.2 | (21/2+) | ||
4745.9 9 | C | (23/2+) | 1311.9 6 | 100 | 3434.0 | (19/2+) | ||
4969.4 6 | C | (25/2+) | 655.7 3 1494.1 6 | 100.0 28 94 6 | 4313.8 3475.2 | (21/2+) (21/2+) | ||
5313.7 8 | C | (25/2+) | 1221.5 4 | 100 | 4092.2 | (21/2+) | ||
5375.2 5 | C | (25/2-) | 633.1 3 1064.0 4 1359.7 5 | 64.2 11 100.0 22 54.8 20 | (M1+E2) | 4741.9 4311.1 4015.9 | (23/2-) (21/2-) (21/2-) | |
5811.8 6 | C | (29/2+) | 842.3 4 1308.7 6 | 100.0 25 84 4 | 4969.4 4503.0 | (25/2+) (25/2+) | ||
5994.8 10 | C | (27/2+) | 1248.9 4 | 100 | 4745.9 | (23/2+) | ||
6167.2 6 | C | (27/2-) | 1426.0 10 | 100 | 4741.9 | (23/2-) | ||
6190.9 8 | C | (29/2+) | 1447.2 5 | 100 | 4743.6 | (25/2+) | ||
6613.4 6 | C | (29/2-) | 446.2 3 1238.2 3 | 3.4 4 100.0 22 | (M1+E2) | 6167.2 5375.2 | (27/2-) (25/2-) | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
6709.2 9 | C | (29/2+) | 1395.5 5 | 100 | 5313.7 | (25/2+) | ||
7157.2 8 | C | (33/2+) | 1345.4 4 | 100 | 5811.8 | (29/2+) | ||
7424.8 9 | C | 1258.0 10 | | 6167.2 | (27/2-) | |||
7470.8 11 | C | (31/2+) | 1476.0 5 | 100 | 5994.8 | (27/2+) | ||
7759.2 17 | C | (31/2-) | 1591.9 15 | | 6167.2 | (27/2-) | ||
7785.5 8 | C | (33/2-) | 1171.9 6 | 100 | 6613.4 | (29/2-) | ||
7789.9 12 | C | (33/2+) | 1599.0 8 | 100 | 6190.9 | (29/2+) | ||
8244.9 12 | C | (33/2+) | 1535.6 8 | 100 | 6709.2 | (29/2+) | ||
8422.6 9 | C | 637.0 5 998.0 5 | | 7785.5 7424.8 | (33/2-) | |||
8955.7 17 | C | (37/2+) | 1798.5 15 | 100 | 7157.2 | (33/2+) | ||
9090.5 14 | C | (35/2+) | 1619.6 8 | 100 | 7470.8 | (31/2+) | ||
9194.8 10 | C | (37/2-) | 1409.3 6 | 100 | 7785.5 | (33/2-) | ||
9320.5 22 | C | (35/2-) | 1561.3 15 | | 7759.2 | (31/2-) | ||
9526.7 23 | C | (37/2+) | 1736.8 20 | | 7789.9 | (33/2+) | ||
9721.7 13 | C | 1299 1 | 100 | 8422.6 | ||||
9996.9 24 | C | (37/2+) | 1752 2 | | 8244.9 | (33/2+) | ||
10752.2 20 | C | (39/2+) | 1661.7 15 ? | 100 | 9090.5 | (35/2+) | ||
10992.4 23 | C | (41/2+) | 2036.7 15 ? | 100 | 8955.7 | (37/2+) | ||
11030.9 23 | C | (41/2-) | 1836 2 | 100 | 9194.8 | (37/2-) | ||
11434 3 | C | (41/2+) | 1907 2 ? | | 9526.7 | (37/2+) | ||
11487.7 24 | C | 1766 2 | | 9721.7 | ||||
12381 3 | C | (43/2+) | 1629 2 ? | | 10752.2 | (39/2+) | ||
12875 3 | C | (45/2+) | 1883 2 ? | 100 | 10992.4 | (41/2+) | ||
13472 4 | C | (45/2+) | 2038 2 ? | | 11434 | (41/2+) | ||
14959 4 | C | (49/2+) | 2084 2 ? | | 12875 | (45/2+) |
E(level): From least-squares fit to Eγ data taken from 40Ca(40Ca,2αpγ)
Jπ(level): As proposed in 40Ca(40Ca,2αpγ) for excited states, but with all assignments given in parentheses, as complete details of this study are not available, thus the assignments cannot be supported by strong arguments
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - π5/2[312]. | |||||||
929.30 25 | (7/2-) | ||||||
1055.4 4 | (9/2-) | 1055.7 5 | 100 | 0.0 | (5/2)- | ||
2216.6 4 | (13/2-) | 724.5 5 1161.3 4 | 100.0 30 79.9 30 | 1491.8 1055.4 | (9/2-) (9/2-) | ||
3187.9 5 | (17/2-) | 971.4 4 | 100 | 2216.6 | (13/2-) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - π3/2[312],α=+1/2 | |||||||
776.2 4 | (5/2-) | ||||||
1683.4 4 | (9/2-) | 613.4 4 907.2 4 | 100 6 <870 | 1070.3 776.2 | (7/2-) (5/2-) | ||
2477.6 4 | (13/2-) | 762.8 4 794.5 5 | 100.0 27 90.4 27 | (M1+E2) | 1714.2 1683.4 | (11/2-) (9/2-) | |
3376.9 4 | (17/2-) | 857.1 4 898.9 4 | 100.0 27 73 8 | (M1+E2) | 2520.0 2477.6 | (15/2-) (13/2-) | |
4311.1 4 | (21/2-) | 781.7 4 934.2 4 1123.3 4 | 35.1 13 83.1 28 100.0 31 | (D(+Q)) | 3529.3 3376.9 3187.9 | (19/2-) (17/2-) (17/2-) | |
5375.2 5 | (25/2-) | 633.1 3 1064.0 4 1359.7 5 | 64.2 11 100.0 22 54.8 20 | (M1+E2) | 4741.9 4311.1 4015.9 | (23/2-) (21/2-) (21/2-) | |
6613.4 6 | (29/2-) | 446.2 3 1238.2 3 | 3.4 4 100.0 22 | (M1+E2) | 6167.2 5375.2 | (27/2-) (25/2-) | |
7785.5 8 | (33/2-) | 1171.9 6 | 100 | 6613.4 | (29/2-) | ||
9194.8 10 | (37/2-) | 1409.3 6 | 100 | 7785.5 | (33/2-) | ||
11030.9 23 | (41/2-) | 1836 2 | 100 | 9194.8 | (37/2-) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - π3/2[312],α=-1/2 | |||||||
207.89 13 | (3/2-) | ||||||
806.6 3 | (7/2-) | 598.7 3 | 100 | Q | 207.89 | (3/2-) | |
1714.2 3 | (11/2-) | 222.4 3 907.7 4 954.2 5 992.4 5 | <50 <183 100 5 | (M1+E2) (D(+Q)) | 1491.8 806.6 759.09 722.1 | (9/2-) (7/2-) (9/2+) (7/2-) | |
2520.0 4 | (15/2-) | 303.4 5 806.0 3 | 1.1 3 100.0 21 | 2216.6 1714.2 | (13/2-) (11/2-) | ||
3529.3 4 | (19/2-) | 1009.4 3 | 100 | 2520.0 | (15/2-) | ||
4741.9 5 | (23/2-) | 1212.3 4 | 100 | 3529.3 | (19/2-) | ||
6167.2 6 | (27/2-) | 1426.0 10 | 100 | 4741.9 | (23/2-) | ||
7759.2 17 | (31/2-) | 1591.9 15 | | 6167.2 | (27/2-) | ||
9320.5 22 | (35/2-) | 1561.3 15 | | 7759.2 | (31/2-) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - π5/2[422],α=+1/2 | |||||||
669.61 14 | (5/2+) | ||||||
1174.06 22 | (9/2+) | 281.9 3 414.8 3 504.5 3 | 39.3 18 93.4 33 100 4 | (D+Q) (M1+E2) | 892.12 759.09 669.61 | (7/2+) (9/2+) (5/2+) | |
2217.1 4 | (13/2+) | 631.2 4 727.0 5 | | (D(+Q)) | 1586.1 1490.2 | (11/2+) (11/2+) | |
3046.6 4 | (17/2+) | 653.8 4 693.8 5 829.9 5 924.6 5 | 100 | 2392.8 2352.4 2217.1 2122.0 | (17/2+) (15/2+) (13/2+) (13/2+) | ||
4092.2 7 | (21/2+) | 1045.6 5 | 100 | 3046.6 | (17/2+) | ||
5313.7 8 | (25/2+) | 1221.5 4 | 100 | 4092.2 | (21/2+) | ||
6709.2 9 | (29/2+) | 1395.5 5 | 100 | 5313.7 | (25/2+) | ||
8244.9 12 | (33/2+) | 1535.6 8 | 100 | 6709.2 | (29/2+) | ||
9996.9 24 | (37/2+) | 1752 2 | | 8244.9 | (33/2+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 5 - π5/2[422],α=-1/2 | |||||||
892.12 22 | (7/2+) | ||||||
1490.2 3 | (11/2+) | 316.1 3 598.0 4 731.2 4 | 43.1 28 <707 100 6 | (D(+Q)) (M1+E2) | 1174.06 892.12 759.09 | (9/2+) (7/2+) (9/2+) | |
2352.4 4 | (15/2+) | 861.9 4 | 100 | 1490.2 | (11/2+) | ||
3434.0 6 | (19/2+) | 1081.6 4 | 100 | 2352.4 | (15/2+) | ||
4745.9 9 | (23/2+) | 1311.9 6 | 100 | 3434.0 | (19/2+) | ||
5994.8 10 | (27/2+) | 1248.9 4 | 100 | 4745.9 | (23/2+) | ||
7470.8 11 | (31/2+) | 1476.0 5 | 100 | 5994.8 | (27/2+) | ||
9090.5 14 | (35/2+) | 1619.6 8 | 100 | 7470.8 | (31/2+) | ||
10752.2 20 | (39/2+) | 1661.7 15 ? | 100 | 9090.5 | (35/2+) | ||
12381 3 | (43/2+) | 1629 2 ? | | 10752.2 | (39/2+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 6 - Band based on (9/2+). | |||||||
759.09 19 | (9/2+) | 32.5 ns 25 | |||||
1496.6 3 | (13/2+) | 737.6 3 | 100 | (Q) | 759.09 | (9/2+) | |
2392.8 4 | (17/2+) | 896.2 3 | 100 | 1496.6 | (13/2+) | ||
3475.2 5 | (21/2+) | 1082.4 4 | 100 | 2392.8 | (17/2+) | ||
4743.6 7 | (25/2+) | 1268.4 4 | 100 | 3475.2 | (21/2+) | ||
6190.9 8 | (29/2+) | 1447.2 5 | 100 | 4743.6 | (25/2+) | ||
7789.9 12 | (33/2+) | 1599.0 8 | 100 | 6190.9 | (29/2+) | ||
9526.7 23 | (37/2+) | 1736.8 20 | | 7789.9 | (33/2+) | ||
11434 3 | (41/2+) | 1907 2 ? | | 9526.7 | (37/2+) | ||
13472 4 | (45/2+) | 2038 2 ? | | 11434 | (41/2+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 7 - Band based on (5/2)- | |||||||
407.09 16 | (5/2)- | ||||||
1070.3 4 | (7/2-) | 663.4 4 ? | 100 | (M1+E2) | 407.09 | (5/2)- | |
1491.8 3 | (9/2-) | 562.5 3 | 100 | (M1+E2) | 929.30 | (7/2-) | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 8 - Band based on (25/2+) | |||||||
4503.0 6 | (25/2+) | ||||||
5811.8 6 | (29/2+) | 842.3 4 1308.7 6 | 100.0 25 84 4 | 4969.4 4503.0 | (25/2+) (25/2+) | ||
7157.2 8 | (33/2+) | 1345.4 4 | 100 | 5811.8 | (29/2+) | ||
8955.7 17 | (37/2+) | 1798.5 15 | 100 | 7157.2 | (33/2+) | ||
10992.4 23 | (41/2+) | 2036.7 15 ? | 100 | 8955.7 | (37/2+) | ||
12875 3 | (45/2+) | 1883 2 ? | 100 | 10992.4 | (41/2+) | ||
14959 4 | (49/2+) | 2084 2 ? | | 12875 | (45/2+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 9 - Band based on (13/2+) | |||||||
2122.0 3 | (13/2+) | ||||||
3262.0 5 | (17/2+) | 869.4 4 1139.8 5 | 19 3 100 6 | 2392.8 2122.0 | (17/2+) (13/2+) | ||
4313.8 6 | (21/2+) | 1051.8 4 | 100 | 3262.0 | (17/2+) | ||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 10 - γ cascade | |||||||
7424.8 9 | |||||||
8422.6 9 | 637.0 5 998.0 5 | | 7785.5 7424.8 | (33/2-) | |||
9721.7 13 | 1299 1 | 100 | 8422.6 | ||||
11487.7 24 | 1766 2 | | 9721.7 |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
207.89 | (3/2-) | 198.0 2 | (M1+E2) | +0.21 7 | |||
407.09 | (5/2)- | 407.3 3 | (M1+E2) | -0.74 14 | |||
759.09 | (9/2+) | 32.5 ns 25 | 89.3 4 | (E2) | 1.34 | B(E2)(W.u.)=53 5, α=1.34 3 | |
(9/2+) | 32.5 ns 25 | 759.1 3 | (M2) | B(M2)(W.u.)=0.066 6 | |||
776.2 | (5/2-) | 568.3 4 | (D(+Q)) | +0.03 9 | |||
892.12 | (7/2+) | 133.2 3 | (D(+Q)) | +0.02 16 | |||
(7/2+) | 222.4 3 | (M1+E2) | +0.12 5 | ||||
1070.3 | (7/2-) | 663.4 4 | (M1+E2) | +0.24 7 | |||
1174.06 | (9/2+) | 281.9 3 | (D+Q) | +0.14 13 | |||
(9/2+) | 414.8 3 | (M1+E2) | -0.5 4 | ||||
1490.2 | (11/2+) | 316.1 3 | (D(+Q)) | +0.02 13 | |||
(11/2+) | 731.2 4 | (M1+E2) | +0.64 8 | ||||
1491.8 | (9/2-) | 562.5 3 | (M1+E2) | +0.30 3 | |||
1714.2 | (11/2-) | 222.4 3 | (M1+E2) | +0.23 10 | |||
(11/2-) | 954.2 5 | (D(+Q)) | -0.03 7 | ||||
2122.0 | (13/2+) | 625.4 4 | (D(+Q)) | -0.4 7 | |||
2217.1 | (13/2+) | 631.2 4 | (D(+Q)) | +0.06 9 | |||
2477.6 | (13/2-) | 762.8 4 | (M1+E2) | +0.27 5 | |||
3376.9 | (17/2-) | 857.1 4 | (M1+E2) | -0.11 4 | |||
4015.9 | (21/2-) | 486.8 3 | (M1+E2) | -0.18 | |||
4311.1 | (21/2-) | 781.7 4 | (D(+Q)) | -0.06 6 | |||
5375.2 | (25/2-) | 633.1 3 | (M1+E2) | -0.18 4 | |||
6613.4 | (29/2-) | 446.2 3 | (M1+E2) | -0.36 13 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
9.86 | (1/2-) | Possible configuration=π1/2[301] as for ground state of 73Br. | |
207.89 | (3/2-) | E(level): π3/2[312],α=-1/2. | |
407.09 | (5/2)- | E(level): Band based on (5/2)-. | |
669.61 | (5/2+) | E(level): π5/2[422],α=+1/2. | |
759.09 | (9/2+) | 32.5 ns 25 | E(level): Band based on (9/2+). |
776.2 | (5/2-) | E(level): π3/2[312],α=+1/2. | |
806.6 | (7/2-) | E(level): π3/2[312],α=-1/2. | |
892.12 | (7/2+) | E(level): π5/2[422],α=-1/2. | |
929.30 | (7/2-) | E(level): π5/2[312]. | |
1055.4 | (9/2-) | E(level): π5/2[312]. | |
1070.3 | (7/2-) | E(level): Band based on (5/2)-. | |
1174.06 | (9/2+) | E(level): π5/2[422],α=+1/2. | |
1490.2 | (11/2+) | E(level): π5/2[422],α=-1/2. | |
1491.8 | (9/2-) | E(level): Band based on (5/2)-. | |
1496.6 | (13/2+) | E(level): Band based on (9/2+). | |
1683.4 | (9/2-) | E(level): π3/2[312],α=+1/2. | |
1714.2 | (11/2-) | E(level): π3/2[312],α=-1/2. | |
2122.0 | (13/2+) | E(level): Band based on (13/2+). | |
2216.6 | (13/2-) | E(level): π5/2[312]. | |
2217.1 | (13/2+) | E(level): π5/2[422],α=+1/2. | |
2352.4 | (15/2+) | E(level): π5/2[422],α=-1/2. | |
2392.8 | (17/2+) | E(level): Band based on (9/2+). | |
2477.6 | (13/2-) | E(level): π3/2[312],α=+1/2. | |
2520.0 | (15/2-) | E(level): π3/2[312],α=-1/2. | |
3046.6 | (17/2+) | E(level): π5/2[422],α=+1/2. | |
E(level) | Jπ(level) | T1/2(level) | Comments |
3187.9 | (17/2-) | E(level): π5/2[312]. | |
3262.0 | (17/2+) | E(level): Band based on (13/2+). | |
3376.9 | (17/2-) | E(level): π3/2[312],α=+1/2. | |
3434.0 | (19/2+) | E(level): π5/2[422],α=-1/2. | |
3475.2 | (21/2+) | E(level): Band based on (9/2+). | |
3529.3 | (19/2-) | E(level): π3/2[312],α=-1/2. | |
4092.2 | (21/2+) | E(level): π5/2[422],α=+1/2. | |
4311.1 | (21/2-) | E(level): π3/2[312],α=+1/2. | |
4313.8 | (21/2+) | E(level): Band based on (13/2+). | |
4503.0 | (25/2+) | E(level): Band based on (25/2+). | |
4741.9 | (23/2-) | E(level): π3/2[312],α=-1/2. | |
4743.6 | (25/2+) | E(level): Band based on (9/2+). | |
4745.9 | (23/2+) | E(level): π5/2[422],α=-1/2. | |
5313.7 | (25/2+) | E(level): π5/2[422],α=+1/2. | |
5375.2 | (25/2-) | E(level): π3/2[312],α=+1/2. | |
5811.8 | (29/2+) | E(level): Band based on (25/2+). | |
5994.8 | (27/2+) | E(level): π5/2[422],α=-1/2. | |
6167.2 | (27/2-) | E(level): π3/2[312],α=-1/2. | |
6190.9 | (29/2+) | E(level): Band based on (9/2+). | |
6613.4 | (29/2-) | E(level): π3/2[312],α=+1/2. | |
6709.2 | (29/2+) | E(level): π5/2[422],α=+1/2. | |
7157.2 | (33/2+) | E(level): Band based on (25/2+). | |
7470.8 | (31/2+) | E(level): π5/2[422],α=-1/2. | |
7759.2 | (31/2-) | E(level): π3/2[312],α=-1/2. | |
7785.5 | (33/2-) | E(level): π3/2[312],α=+1/2. | |
E(level) | Jπ(level) | T1/2(level) | Comments |
7789.9 | (33/2+) | E(level): Band based on (9/2+). | |
8244.9 | (33/2+) | E(level): π5/2[422],α=+1/2. | |
8955.7 | (37/2+) | E(level): Band based on (25/2+). | |
9090.5 | (35/2+) | E(level): π5/2[422],α=-1/2. | |
9194.8 | (37/2-) | E(level): π3/2[312],α=+1/2. | |
9320.5 | (35/2-) | E(level): π3/2[312],α=-1/2. | |
9526.7 | (37/2+) | E(level): Band based on (9/2+). | |
9996.9 | (37/2+) | E(level): π5/2[422],α=+1/2. | |
10752.2 | (39/2+) | E(level): π5/2[422],α=-1/2. | |
10992.4 | (41/2+) | E(level): Band based on (25/2+). | |
11030.9 | (41/2-) | E(level): π3/2[312],α=+1/2. | |
11434 | (41/2+) | E(level): Band based on (9/2+). | |
12381 | (43/2+) | E(level): π5/2[422],α=-1/2. | |
12875 | (45/2+) | E(level): Band based on (25/2+). | |
13472 | (45/2+) | E(level): Band based on (9/2+). | |
14959 | (49/2+) | E(level): Band based on (25/2+). |
E(level) | E(gamma) | Comments |
9.86 | 9.86 | E(γ): from level-energy difference |
207.89 | 198.0 | I(γ): From 71Kr ε decay | 207.9 | E(γ): weighted average of 208.0 2 in 71Kr ε decay and 207.7 2 in (40Ca,2αpγ) I(γ): From 71Kr ε decay |
407.09 | 199.0 | I(γ): From 71Kr ε decay | 397.2 | E(γ): weighted average of 397.1 3 in 71Kr ε decay and 397.2 2 in (40Ca,2αpγ) I(γ): From 71Kr ε decay | 407.3 | E(γ): weighted average of 407.4 4 in 71Kr ε decay and 407.2 3 in (40Ca,2αpγ) I(γ): From 71Kr ε decay |
759.09 | 89.3 | I(γ): From 40Ca(34S,p2nγ),(35Cl,2p2nγ) M(γ): from α(K)exp in 40Ca(34S,p2nγ),(35Cl,2p2nγ), and RUL | 759.1 | I(γ): From 40Ca(34S,p2nγ),(35Cl,2p2nγ) M(γ): from γ(θ) in 40Ca(34S,p2nγ),(35Cl,2p2nγ) and ΔJπ |
806.6 | 598.7 | I(γ): intensity for 598.0 and 598.7 γ rays is undivided M(γ): from DCO in 40Ca(34S,p2nγ),(35Cl,2p2nγ) |
892.12 | 222.4 | E(γ): Multiply placed with undivided intensity I(γ): Multiply placed with undivided intensity |
1490.2 | 598.0 | I(γ): intensity for 598.0 and 598.7 γ rays is undivided |
1496.6 | 737.6 | M(γ): from DCO in 40Ca(34S,p2nγ),(35Cl,2p2nγ) |
1683.4 | 907.2 | I(γ): intensity for 907.2 and 907.7 γ rays is undivided |
1714.2 | 222.4 | E(γ): Multiply placed with undivided intensity I(γ): Multiply placed with undivided intensity | 907.7 | I(γ): intensity for 907.2 and 907.7 γ rays is undivided. |
Mass measurements: 2021Ma22, 2009Sa12, 2002Li24
1964Fl03: 70-72Br or 70-72Kr claimed to have been produced in Ni(20Ne,X) E=140 MeV reaction and a delayed proton group of 2.5 MeV with a half-life of 23 s 4. It is not possible to associate this observation with a presently known activity
1976Ro01: possible identification of 71Br isotope (from buildup of 71Se activity) in 58Ni(16O,p2n) reaction at 54 MeV, crude estimate of half-life
1981Vo04: 71Br identified and produced in Nb(p,X) reaction at E=600 MeV, measured half-life and yield
1982Ha32: 71Br identified and produced in 40Ca(35Cl,2n2p) reaction followed by mass separation. Measured Eγ, T1/2. Earlier report on 71Br nuclide by the same group in Proc. Int. Conf. on Nuclei far from Stability, Helsingor (June 1981)
Theoretical structure calculations: 1998Ur03: calculated Gamow-Teller strengths, deformations, levels, Jπ using Hartree-Fock approach.
Q-value: S(2n)=26390 40, S(2p)=7970 30, Q(εp)=543 6, Q(ε)=6644 6 (2021Wa16)