ADOPTED LEVELS, GAMMAS for 88Br
Authors: E.A. Mccutchan and A.A. Sonzogni | Citation: Nucl. Data Sheets 115, 135 (2014) | Cutoff date: 1-Nov-2013
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=8975 keV 4 | S(n)= 4896 keV 4 | S(p)= 11579 keV 4 | Q(α)= -7287 keV 4 | ||
Reference: 2012WA38 |
References: | |||
A | 88Br IT decay (5.3 μs) | B | 88Se β- decay (1.53 S) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | AB | (2-) | 16.34 s 8 % β- = 100 % β-n = 6.58 18 | |||||
159.20 23 | AB | (1-,2-,3-) | 159.2 3 | 100 | M1+E2 | 0.0 | (2-) | |
259.2 3 | B | (1,2,3+) | 259.2 3 | 100 | 0.0 | (2-) | ||
270.1 5 | A | (3-,4-,5-) | 5.3 µs 4 % IT = 100 | 110.9 5 | 100 | E2 | 159.20 | (1-,2-,3-) |
272.7 3 | B | (1) | 113.5 5 272.7 4 | 21.5 22 100 10 | 159.20 0.0 | (1-,2-,3-) (2-) | ||
408.7 3 | B | (1) | 249.5 5 408.7 5 | 84 9 100 9 | 159.20 0.0 | (1-,2-,3-) (2-) | ||
566.0 4 | B | (1) | 293.3 5 566.0 5 | 100 10 97 10 | 272.7 0.0 | (1) (2-) | ||
1903.72 25 | B | (1+) | 1495.0 5 1644.5 4 1744.5 4 1903.7 4 | 52 5 91 9 97 9 100 9 | 408.7 259.2 159.20 0.0 | (1) (1,2,3+) (1-,2-,3-) (2-) | ||
3154.1 6 | B | (1+) | 2894.8 5 | 100 | 259.2 | (1,2,3+) |
E(level): From a least-squares fit to Eγ, by evaluators.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
159.20 | (1-,2-,3-) | 159.2 3 | M1+E2 | 0.24 2 | 0.0396 | α=0.0396 13, α(K)=0.0350 11, α(L)=0.00394 14, α(M)=0.000626 22, α(N)=5.74×10-5 19 | |
270.1 | (3-,4-,5-) | 5.3 µs 4 % IT = 100 | 110.9 5 | E2 | 0.599 | B(E2)(W.u.)=0.171 14, α=0.599 14, α(K)=0.516 12, α(L)=0.0712 17, α(M)=0.0113 3, α(N)=0.000951 22 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
272.7 | (1) | Jπ(level): From log ft≈5.9-6.0 in 88Se β- decay (Jπ=0+). | |
408.7 | (1) | Jπ(level): From log ft≈5.9-6.0 in 88Se β- decay (Jπ=0+). | |
566.0 | (1) | Jπ(level): From log ft≈5.9-6.0 in 88Se β- decay (Jπ=0+). | |
1903.72 | (1+) | Jπ(level): From log ft≈4.6-4.8 in 88Se β- decay (Jπ=0+). | |
3154.1 | (1+) | Jπ(level): From log ft≈4.6-4.8 in 88Se β- decay (Jπ=0+). |
E(level) | E(gamma) | Comments |