ADOPTED LEVELS, GAMMAS for 84Sr
Authors: B. Singh, A. Negret, and K. Zuber | Citation: Nucl. Data Sheets 110,2815 (2009) | Cutoff date: 30-Sep-2009
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-6756 keV 5 | S(n)= 11923 keV 7 | S(p)= 8868 keV 3 | Q(α)= -5181.2 keV 15 | ||
Reference: 2012WA38 |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABCDEFGHIJKLMNO | 0+ | STABLE | |||||
793.22 6 | BCDEFG IJKLMNO | 2+ | 3.23 ps 35 | 793.22 6 | 100 | E2 | 0.0 | 0+ |
1453.93 10 | BC G IJ L NO | 2+ | 660.85 9 1453.9 3 | 100 3 13.3 9 | M1+E2 | 793.22 0.0 | 2+ 0+ | |
1504.2 10 | BC J L O | 0+ | 711 | | 793.22 | 2+ | ||
1767.69 9 | B DEFG IJ L NO | 4+ | 1.4 ps 4 | 974.48 7 | 100 | E2 | 793.22 | 2+ |
2056.07 11 | B G I N | (3)+ | 288.3 5 602.3 1 1262.6 2 | 8.3 21 100 5 28 3 | M1+E2 D+Q | 1767.69 1453.93 793.22 | 4+ 2+ 2+ | |
2071.6 8 | C J L O | 0+ | 617 1279 | | 1453.93 793.22 | 2+ 2+ | ||
2297.93 14 | G | 844.0 1 | 100 | 1453.93 | 2+ | |||
2390 5 | O | 2 | ||||||
2448.11 11 | B G IJKL O | 3- | 994.4 4 1654.6 2 | 100 10 63 5 | D | 1453.93 793.22 | 2+ 2+ | |
2525 5 | O | (0+) | ||||||
2598.23 22 | B G IJ L O | (4+) | 1144.3 2 1805.0 10 ? | 100 9 5 5 | 1453.93 793.22 | 2+ 2+ | ||
2735.25 20 | B G J O | (5+) | 680.6 4 967.2 2 | 100 8 31 3 | D+Q | 2056.07 1767.69 | (3)+ 4+ | |
2769.03 10 | B DEFG IJ L NO | (5-) | 9.5 ps 6 | 321.0 1 1001.28 7 | 2.8 5 100 9 | [E2] (E1) | 2448.11 1767.69 | 3- 4+ |
2807.87 11 | B DEFG IJ L N | 6+ | 1.01 ps 21 | 1040.11 9 | 100 | E2 | 1767.69 | 4+ |
2886.99 14 | B J L O | 2+ | 1119.6 2 2093.3 2 | 100 10 45 15 | 1767.69 793.22 | 4+ 2+ | ||
3041.25 13 | FG J L O | (5-) | 272.2 1 593.3 2 | 100 3 27 3 | (D) | 2769.03 2448.11 | (5-) 3- | |
3098.67 13 | B G | 6(+) | 290.8 1 1331.0 2 | 37 3 100 6 | Q | 2807.87 1767.69 | 6+ 4+ | |
3157.05 22 | G | (7+) | 421.8 1 | 100 | Q | 2735.25 | (5+) | |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3175 5 | J L O | (2+) | ||||||
3255 30 | J L O | 3- | ||||||
3270.58 17 | B G | (4,5,6)+ | 462.8 2 1502.8 2 | 100 5 62 6 | M1,E2 | 2807.87 1767.69 | 6+ 4+ | |
3279.15 14 | FG I | (6-) | 237.9 1 510.1 5 | 17 2 ≈100 | D | 3041.25 2769.03 | (5-) (5-) | |
3330 30 | H J L | 0+ | ||||||
3331.91 13 | DEFG I | 8+ | 157 ps 5 | 524.0 1 | 100 | E2 | 2807.87 | 6+ |
3455 30 | J L O | |||||||
3487.92 12 | DEFG IJ | (7-) | 4.4 ps 5 | 680.0 2 718.9 1 | 21.1 21 100 5 | (E1) E2 | 2807.87 2769.03 | 6+ (5-) |
3511.77 16 | B J L | (4+,5-) | 241.2 5 703.6 2 1063.5 3 1744.4 2 | 5.1 34 100 10 13 4 38 4 | 3270.58 2807.87 2448.11 1767.69 | (4,5,6)+ 6+ 3- 4+ | ||
3578.23 25 ? | B | 980.2 10 ? 1129.6 4 ? 1810.8 3 ? | 82 45 36 18 100 45 | 2598.23 2448.11 1767.69 | (4+) 3- 4+ | |||
3650.15 13 | G L | (7-) | 162.2 2 371.0 1 551.5 2 608.9 1 881.1 2 | 91 4 22 4 39 4 100 4 52 4 | D D (Q) | 3487.92 3279.15 3098.67 3041.25 2769.03 | (7-) (6-) 6(+) (5-) (5-) | |
3679.94 13 | DEFG I | 8+ | 3.33 ps 14 | 348.0 1 581.3 2 872.1 1 | 29.2 9 4.4 9 100 3 | (M1+E2) E2 | 3331.91 3098.67 2807.87 | 8+ 6(+) 6+ |
3749.07 24 | G | (7) | 650.4 2 | 100 | D+Q | 3098.67 | 6(+) | |
3750 30 | O | (3-,4+) | ||||||
3819.58 15 ? | B | 932.2 2 ? 1370.8 3 ? 1763.6 2 ? 2052.9 3 ? | 60 5 21 11 100 11 26 13 | 2886.99 2448.11 2056.07 1767.69 | 2+ 3- (3)+ 4+ | |||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3918.08 16 ? | B | 1110.3 2 ? 1469.9 2 ? 2150.9 5 ? | 100 10 29 10 17 8 | 2807.87 2448.11 1767.69 | 6+ 3- 4+ | |||
3960 30 | L | |||||||
4028.78 23 | G | (8+) | 1220.9 2 | 100 | Q | 2807.87 | 6+ | |
4062.78 17 | B L O | 4+ | 1255.0 2 1463.3 2 ? 1614.5 2 2006.7 5 ? 2295.3 4 | 100 10 6 3 27 3 4.5 30 33 5 | 2807.87 2598.23 2448.11 2056.07 1767.69 | 6+ (4+) 3- (3)+ 4+ | ||
4260 30 | L O | |||||||
4268.05 16 | FG | (8-) | 780.1 2 988.9 1 | 48 4 100 4 | Q | 3487.92 3279.15 | (7-) (6-) | |
4365.95 18 | B L | (4+) | 1479.2 2 1557.6 3 1918.0 4 2309.5 4 | 39 13 26 13 100 13 52 9 | 2886.99 2807.87 2448.11 2056.07 | 2+ 6+ 3- (3)+ | ||
4370.4 3 | G | (9+) | 1213.3 2 | 100 | (Q) | 3157.05 | (7+) | |
4447.61 14 | DEFG I | 10+ | 2.22 ps 35 | 1115.7 1 | 100 | E2 | 3331.91 | 8+ |
4534.06 15 | DEFG I | 10+ | 1.66 ps 14 | 86.3 2 854.1 1 | 14 5 100 5 | [M1+E2] E2 | 4447.61 3679.94 | 10+ 8+ |
4540 30 | L O | |||||||
4636.13 14 | DEFG I | (9-) | 2.5 ps 4 | 1148.2 1 | 100 | E2 | 3487.92 | (7-) |
4660 30 | L | |||||||
4740 30 | L | |||||||
4745.72 24 | G | (8,9,10+) | 1413.8 2 | 100 | 3331.91 | 8+ | ||
5150.7 3 ? | B | 1232.9 3 ? 1330.7 4 ? 1638.6 7 ? | 38 3 100 10 12 9 | 3918.08 3819.58 3511.77 | (4+,5-) | |||
5444.48 15 | DEFG | (11-) | 7.5 ps 10 | 808.35 10 996.9 1 | 100 4 30 4 | E2 | 4636.13 4447.61 | (9-) 10+ |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
5653.25 16 | DEFG | 12+ | 0.61 ps 21 | 1119.2 1 1205.6 2 | 100 4 35 4 | E2 E2 | 4534.06 4447.61 | 10+ 10+ |
5891.6 10 | D F | (12+) | 0.24 ps 10 | 1444 1 | 100 | [E2] | 4447.61 | 10+ |
6069.43 17 | EFG | (12-) | 0.42 ps 14 | 625.0 1 | 100 | (M1) | 5444.48 | (11-) |
6484.34 21 | F | (13-) | 0.62 ps 28 | 415.1 2 830.9 2 1040 1 | 100 13 <12 <12 | [M1] [E1] [E2] | 6069.43 5653.25 5444.48 | (12-) 12+ (11-) |
6739.65 19 | DEFG | 14+ | 0.42 ps 14 | 1086.4 1 | 100 | E2 | 5653.25 | 12+ |
6916.8 4 | F | (14-) | 432.5 3 | 100 | 6484.34 | (13-) | ||
7822.8 7 | D | (15+) | 1084 | | 6739.65 | 14+ | ||
8006.4 5 | DEF | 16+ | 0.21 ps 7 | 184 1266.5 5 | 100 17 | [M1] [E2] | 7822.8 6739.65 | (15+) 14+ |
9098.4 8 | D | (17+) | 1092 1276 | | 8006.4 7822.8 | 16+ (15+) | ||
9424.9 10 | DEF | 18+ | 0.14 ps 6 | 327 1418 1 | 100 25 | [E2] | 9098.4 8006.4 | (17+) 16+ |
11059.9 22 | DEF | 20+ | < 0.18 ps | 1635 2 | 100 | [E2] | 9424.9 | 18+ |
12920 3 | DE | 22+ | 1860 2 | 100 | 11059.9 | 20+ | ||
15080 4 ? | E | (24+) | 2160? | 100 | 12920 | 22+ |
E(level): Level energies with ΔE<5 keV are deduced from least-square fit to the adopted gammas. The others are from (p,t), (α,α’), or weighted averages from (p,t), (α,α’), and (p,p’).
T1/2(level): From Doppler-shift attenuation method (DSAM) and/or recoil-distance Doppler shift (RDDS) methods. Measurements are from 1994Ch28 using line-shape analysis in ΔS(a) in 59Co(28Si,3pγ) reaction for levels above 5600 keV. For levels up to 5700 keV, measurements are from 1982De05 using recoil-distance Doppler-shift method in 76Ge(12C,4nγ) reaction. For the 5653.5 level, values are measured in both studies. Values from recoil-distance method are also available from 1980Ek03 for 793 and 1768 levels using (α,2nγ) reaction and from 1982BrZO for 2808 and 3331 levels using 76Ge(12C,4nγ) reaction
M(γ): From ce data in 84Y ε decay (39.5 min) unless otherwise stated.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - GS band | |||||||
0.0 | 0+ | STABLE | |||||
793.22 6 | 2+ | 3.23 ps 35 | 793.22 6 | 100 | E2 | 0.0 | 0+ |
1767.69 9 | 4+ | 1.4 ps 4 | 974.48 7 | 100 | E2 | 793.22 | 2+ |
2807.87 11 | 6+ | 1.01 ps 21 | 1040.11 9 | 100 | E2 | 1767.69 | 4+ |
4028.78 23 | (8+) | 1220.9 2 | 100 | Q | 2807.87 | 6+ | |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - π(g9/22)8+ # (82Kr core) | |||||||
3679.94 13 | 8+ | 3.33 ps 14 | |||||
4534.06 15 | 10+ | 1.66 ps 14 | 86.3 2 854.1 1 | 14 5 100 5 | [M1+E2] E2 | 4447.61 3679.94 | 10+ 8+ |
5653.25 16 | 12+ | 0.61 ps 21 | 1119.2 1 1205.6 2 | 100 4 35 4 | E2 E2 | 4534.06 4447.61 | 10+ 10+ |
6739.65 19 | 14+ | 0.42 ps 14 | 1086.4 1 | 100 | E2 | 5653.25 | 12+ |
8006.4 5 | 16+ | 0.21 ps 7 | 184 1266.5 5 | 100 17 | [M1] [E2] | 7822.8 6739.65 | (15+) 14+ |
9424.9 10 | 18+ | 0.14 ps 6 | 327 1418 1 | 100 25 | [E2] | 9098.4 8006.4 | (17+) 16+ |
11059.9 22 | 20+ | < 0.18 ps | 1635 2 | 100 | [E2] | 9424.9 | 18+ |
12920 3 | 22+ | 1860 2 | 100 | 11059.9 | 20+ | ||
15080 4 | (24+) | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - ν(g9/2-2)8+ # (86Sr core) | |||||||
3331.91 13 | 8+ | 157 ps 5 | |||||
4447.61 14 | 10+ | 2.22 ps 35 | 1115.7 1 | 100 | E2 | 3331.91 | 8+ |
5891.6 10 | (12+) | 0.24 ps 10 | 1444 1 | 100 | [E2] | 4447.61 | 10+ |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - Octupole band | |||||||
2448.11 11 | 3- | ||||||
3041.25 13 | (5-) | 272.2 1 593.3 2 | 100 3 27 3 | (D) | 2769.03 2448.11 | (5-) 3- | |
3279.15 14 | (6-) | 237.9 1 510.1 5 | 17 2 ≈100 | D | 3041.25 2769.03 | (5-) (5-) | |
3487.92 12 | (7-) | 4.4 ps 5 | 680.0 2 718.9 1 | 21.1 21 100 5 | (E1) E2 | 2807.87 2769.03 | 6+ (5-) |
3650.15 13 | (7-) | 162.2 2 371.0 1 551.5 2 608.9 1 881.1 2 | 91 4 22 4 39 4 100 4 52 4 | D D (Q) | 3487.92 3279.15 3098.67 3041.25 2769.03 | (7-) (6-) 6(+) (5-) (5-) | |
4268.05 16 | (8-) | 780.1 2 988.9 1 | 48 4 100 4 | Q | 3487.92 3279.15 | (7-) (6-) | |
4636.13 14 | (9-) | 2.5 ps 4 | 1148.2 1 | 100 | E2 | 3487.92 | (7-) |
5444.48 15 | (11-) | 7.5 ps 10 | 808.35 10 996.9 1 | 100 4 30 4 | E2 | 4636.13 4447.61 | (9-) 10+ |
6069.43 17 | (12-) | 0.42 ps 14 | |||||
6484.34 21 | (13-) | 0.62 ps 28 | 415.1 2 830.9 2 1040 1 | 100 13 <12 <12 | [M1] [E1] [E2] | 6069.43 5653.25 5444.48 | (12-) 12+ (11-) |
6916.8 4 | (14-) | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 5 - QUASI γ band | |||||||
1453.93 10 | 2+ | ||||||
2056.07 11 | (3)+ | 288.3 5 602.3 1 1262.6 2 | 8.3 21 100 5 28 3 | M1+E2 D+Q | 1767.69 1453.93 793.22 | 4+ 2+ 2+ | |
2598.23 22 | (4+) | 1144.3 2 1805.0 10 ? | 100 9 5 5 | 1453.93 793.22 | 2+ 2+ | ||
2735.25 20 | (5+) | 680.6 4 967.2 2 | 100 8 31 3 | D+Q | 2056.07 1767.69 | (3)+ 4+ | |
3157.05 22 | (7+) | 421.8 1 | 100 | Q | 2735.25 | (5+) | |
4370.4 3 | (9+) | 1213.3 2 | 100 | (Q) | 3157.05 | (7+) |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
793.22 | 2+ | 3.23 ps 35 | 793.22 6 | E2 | 0.00106 | B(E2)(W.u.)=26 3, α=0.00106 | |
1453.93 | 2+ | 660.85 9 | M1+E2 | +0.59 5 | 0.00145 | α=0.00145 | |
1767.69 | 4+ | 1.4 ps 4 | 974.48 7 | E2 | B(E2)(W.u.)=21 6 | ||
2056.07 | (3)+ | 602.3 1 | M1+E2 | +0.24 8 | |||
2769.03 | (5-) | 9.5 ps 6 | 321.0 1 | [E2] | 0.0153 | B(E2)(W.u.)=22 5, α=0.0153 | |
(5-) | 9.5 ps 6 | 1001.28 7 | (E1) | B(E1)(W.u.)=3.6E-5 5 | |||
2807.87 | 6+ | 1.01 ps 21 | 1040.11 9 | E2 | B(E2)(W.u.)=21 5 | ||
3331.91 | 8+ | 157 ps 5 | 524.0 1 | E2 | B(E2)(W.u.)=4.18 14 | ||
3487.92 | (7-) | 4.4 ps 5 | 680.0 2 | (E1) | B(E1)(W.u.)=4.4E-5 7 | ||
(7-) | 4.4 ps 5 | 718.9 1 | E2 | B(E2)(W.u.)=25 4 | |||
3679.94 | 8+ | 3.33 ps 14 | 872.1 1 | E2 | B(E2)(W.u.)=11.5 7 | ||
4447.61 | 10+ | 2.22 ps 35 | 1115.7 1 | E2 | B(E2)(W.u.)=6.7 11 | ||
4534.06 | 10+ | 1.66 ps 14 | 86.3 2 | [M1+E2] | 1.0 | α=1.0 8 | |
10+ | 1.66 ps 14 | 854.1 1 | E2 | B(E2)(W.u.)=27 5 | |||
4636.13 | (9-) | 2.5 ps 4 | 1148.2 1 | E2 | B(E2)(W.u.)=5.2 9 | ||
5444.48 | (11-) | 7.5 ps 10 | 808.35 10 | E2 | B(E2)(W.u.)=7.7 12 | ||
5653.25 | 12+ | 0.61 ps 21 | 1119.2 1 | E2 | B(E2)(W.u.)=18 7 | ||
12+ | 0.61 ps 21 | 1205.6 2 | E2 | B(E2)(W.u.)=4.3 16 | |||
5891.6 | (12+) | 0.24 ps 10 | 1444 1 | [E2] | B(E2)(W.u.)=17 8 | ||
6069.43 | (12-) | 0.42 ps 14 | 625.0 1 | (M1) | 0.00157 | B(M1)(W.u.)=0.21 8, α=0.00157 | |
6484.34 | (13-) | 0.62 ps 28 | 415.1 2 | [M1] | 0.00407 | B(M1)(W.u.)=0.44 22, α=0.00407 | |
(13-) | 0.62 ps 28 | 830.9 2 | [E1] | B(E1)(W.u.)=5.E-5 +6-5 | |||
(13-) | 0.62 ps 28 | 1040 1 | [E2] | B(E2)(W.u.)=1.8 +21-18 | |||
6739.65 | 14+ | 0.42 ps 14 | 1086.4 1 | E2 | B(E2)(W.u.)=41 14 | ||
8006.4 | 16+ | 0.21 ps 7 | 184 | [M1] | 0.0314 | α=0.0314 | |
16+ | 0.21 ps 7 | 1266.5 5 | [E2] | B(E2)(W.u.)<54 | |||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
9424.9 | 18+ | 0.14 ps 6 | 1418 1 | [E2] | B(E2)(W.u.)<50 | ||
11059.9 | 20+ | < 0.18 ps | 1635 2 | [E2] | B(E2)(W.u.)>12 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 0+ | STABLE | <r2>1/2=4.2364 fm 17 (2004An14 evaluation). E(level): <r2>1/2=4.2364 fm 17 (2004An14 evaluation). GS band. |
793.22 | 2+ | 3.23 ps 35 | μ=+0.84 9 (1988Ku01,1989Ra17) E(level): GS band. |
1453.93 | 2+ | E(level): QUASI γ band. | |
1767.69 | 4+ | 1.4 ps 4 | E(level): GS band. |
2056.07 | (3)+ | E(level): QUASI γ band. | |
2448.11 | 3- | B(E3)(|^)=0.043 18 (2002Ki06 evaluation, data from 1973Re01). Deduced B(E3)(W.u.)=15 6. E(level): Octupole band. | |
2598.23 | (4+) | XREF: B(?). E(level): QUASI γ band. | |
2735.25 | (5+) | E(level): QUASI γ band. | |
2769.03 | (5-) | 9.5 ps 6 | μ=+8.0 10 (1989Ku11,2005St24) T1/2(level): From 1982De05. |
2807.87 | 6+ | 1.01 ps 21 | E(level): GS band. |
3041.25 | (5-) | XREF: J(?)L(?). E(level): Octupole band. | |
3157.05 | (7+) | E(level): QUASI γ band. | |
3279.15 | (6-) | E(level): Octupole band. | |
3331.91 | 8+ | 157 ps 5 | μ=-1.2 6 (1981Br20,1989Ra17) E(level): ν(g9/2-2)8+ # (86Sr core). |
3487.92 | (7-) | 4.4 ps 5 | μ=+4.2 14 (1989Ku11,2005St24) E(level): Octupole band. T1/2(level): From 1982De05. |
3511.77 | (4+,5-) | XREF: L(3520). | |
3650.15 | (7-) | E(level): Octupole band. | |
3679.94 | 8+ | 3.33 ps 14 | μ=+7.2 8 (1989Ku11,2005St24) E(level): π(g9/22)8+ # (82Kr core). T1/2(level): From 1982De05. |
4028.78 | (8+) | E(level): GS band. | |
4062.78 | 4+ | XREF: L(?)O(4080). | |
4268.05 | (8-) | XREF: F(?). E(level): Octupole band. | |
4365.95 | (4+) | XREF: L(4360). | |
4370.4 | (9+) | E(level): QUASI γ band. | |
4447.61 | 10+ | 2.22 ps 35 | μ=+2.0 10 (1989Ku11,2005St24) E(level): ν(g9/2-2)8+ # (86Sr core). T1/2(level): From 1982De05. |
4534.06 | 10+ | 1.66 ps 14 | μ=+8.0 20 (1989Ku11,2005St24) E(level): π(g9/22)8+ # (82Kr core). T1/2(level): From 1982De05. |
E(level) | Jπ(level) | T1/2(level) | Comments |
4636.13 | (9-) | 2.5 ps 4 | μ=0.00 36 (1989Ku11,2005St24) E(level): Octupole band. T1/2(level): From 1982De05. |
5444.48 | (11-) | 7.5 ps 10 | E(level): Octupole band. T1/2(level): From 1982De05. |
5653.25 | 12+ | 0.61 ps 21 | E(level): π(g9/22)8+ # (82Kr core). |
5891.6 | (12+) | 0.24 ps 10 | E(level): ν(g9/2-2)8+ # (86Sr core). T1/2(level): From 1994Ch28. |
6069.43 | (12-) | 0.42 ps 14 | E(level): Octupole band. T1/2(level): From 1994Ch28. |
6484.34 | (13-) | 0.62 ps 28 | E(level): Octupole band. T1/2(level): From 1994Ch28. |
6739.65 | 14+ | 0.42 ps 14 | E(level): π(g9/22)8+ # (82Kr core). T1/2(level): From 1994Ch28. |
6916.8 | (14-) | E(level): Octupole band. | |
8006.4 | 16+ | 0.21 ps 7 | E(level): π(g9/22)8+ # (82Kr core). T1/2(level): From 1994Ch28. |
9424.9 | 18+ | 0.14 ps 6 | E(level): π(g9/22)8+ # (82Kr core). T1/2(level): From 1994Ch28. |
11059.9 | 20+ | < 0.18 ps | E(level): π(g9/22)8+ # (82Kr core). |
12920 | 22+ | E(level): π(g9/22)8+ # (82Kr core). | |
15080 | (24+) | E(level): π(g9/22)8+ # (82Kr core). |
E(level) | E(gamma) | Comments |
1504.2 | 711 | E(γ): From 84Y ε decay (39.5 min). |
1767.69 | 974.48 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
2056.07 | 288.3 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 602.3 | I(γ): From 84Y ε decay (39.5 min). M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. | 1262.6 | I(γ): others: 11.3 14 in (6Li,3nγ); 57 in (p,2nγ). From 84Y ε decay (39.5 min). M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
2071.6 | 617 | E(γ): From 84Y ε decay (4.6 s) | 1279 | E(γ): From 84Y ε decay (4.6 s) |
2448.11 | 994.4 | I(γ): From 84Y ε decay (39.5 min). M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. | 1654.6 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). |
2598.23 | 1805.0 | E(γ): From 84Y ε decay (39.5 min). |
2735.25 | 680.6 | E(γ): poor fit, level-energy difference=679.2. From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 967.2 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
2769.03 | 321.0 | I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction | 1001.28 | I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction M(γ): ΔJ=1, dipole from γ(θ); ΔJπ requires E1 |
2886.99 | 1119.6 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 2093.3 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). |
3041.25 | 272.2 | I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. | 593.3 | I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction |
3098.67 | 290.8 | I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction | 1331.0 | I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction |
3270.58 | 462.8 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1502.8 | E(γ): From 84Y ε decay (39.5 min). I(γ): other: 30 10 in 76Ge(12C,4nγ),81Br(6Li,3nγ). From 84Y ε decay (39.5 min). |
3279.15 | 237.9 | I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction | 510.1 | E(γ): Doublet. Approximate intensity given. I(γ): Doublet. Approximate intensity given.. From 1982De05 in 81Br(6Li,3nγ) reaction |
3331.91 | 524.0 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
E(level) | E(gamma) | Comments |
3487.92 | 680.0 | M(γ): ΔJ=1, dipole for a doublet (680.0+679.1); E1 from ΔJπ. From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. | 718.9 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
3511.77 | 241.2 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 703.6 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1063.5 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1744.4 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). |
3578.23 | 980.2 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1129.6 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1810.8 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). |
3650.15 | 162.2 | E(γ): From 1982De05 in 81Br(6Li,3nγ) reaction I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction | 371.0 | E(γ): From 1982De05 in 81Br(6Li,3nγ) reaction I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. | 551.5 | E(γ): From 1982De05 in 81Br(6Li,3nγ) reaction I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. | 608.9 | E(γ): From 1982De05 in 81Br(6Li,3nγ) reaction I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction | 881.1 | E(γ): From 1982De05 in 81Br(6Li,3nγ) reaction I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
3679.94 | 348.0 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. | 872.1 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
3749.07 | 650.4 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
3819.58 | 932.2 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1370.8 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1763.6 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 2052.9 | E(γ): poor fit, level-energy difference=2051.9. From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). |
3918.08 | 1110.3 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1469.9 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 2150.9 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). |
4062.78 | 1255.0 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1463.3 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1614.5 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 2006.7 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 2295.3 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). |
E(level) | E(gamma) | Comments |
4268.05 | 780.1 | E(γ): From 1982De05 in 81Br(6Li,3nγ) reaction I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction | 988.9 | E(γ): From 1982De05 in 81Br(6Li,3nγ) reaction I(γ): From 1982De05 in 81Br(6Li,3nγ) reaction M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
4365.95 | 1479.2 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1557.6 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1918.0 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 2309.5 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). |
4370.4 | 1213.3 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
4447.61 | 1115.7 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
4534.06 | 854.1 | I(γ): from (28Si,3pγ) M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
4636.13 | 1148.2 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
5150.7 | 1232.9 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1330.7 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). | 1638.6 | E(γ): From 84Y ε decay (39.5 min). I(γ): From 84Y ε decay (39.5 min). |
5444.48 | 808.35 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
5653.25 | 1119.2 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. | 1205.6 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
6069.43 | 625.0 | M(γ): ΔJ=1, dipole from γ(θ), ΔJπ requires M1. From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
6739.65 | 1086.4 | M(γ): From γ(θ) data in in-beam γ-ray studies. From RUL, ΔJ=2, quadrupole transitions are assigned as E2. |
8006.4 | 184 | E(γ): from (36S,p2nγ) only |
9424.9 | 327 | E(γ): from (36S,p2nγ) only |
15080 | 2160 | E(γ): α 2125γ is tentatively assigned in (36S,p2nγ) from a 24+ to 22+ |
84Sr evaluated by B. Singh, α. Negret, and K. Zuber
Theory/calculations:
1997Su08: energies of ground state and γ band members, IBA
1989Sa38: collective bands
1989Co02: octupole excitation
1986Ga04, 1979Bu20: nuclear deformation and potential energy surfaces
1985Na02: microscopic study of high-spin states
1982De05, 1983Bu09, 1984He07: interacting-boson model
1971Ki16,1973Og01: shell-model calculations
Other experiments:
Atomic mass measurements using Penning-trap system: 2007Ke09
Measurements of isotope shift and mean square charge radius: 1992Ba55, 1990Bu12, 1988Si06, 1987An02, 1986An39, 1986Ea01, 1986Ma43, 1985Bu20, 1983El04, 1983Bo35, 1983Lo13
Q-value: Note: Current evaluation has used the following Q record
Q-value: Values in 2003Au03 are: Q=-6490 90, S(n)=11920 11, S(p)=8858 7, Q(α)=-5176 4