ADOPTED LEVELS, GAMMAS for 96Y
Authors: D. Abriola, A.A. Sonzogni | Citation: Nucl. Data Sheets 109, 2501 (2008) | Cutoff date: 1-Apr-2008
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=7103 keV 6 | S(n)= 5202 keV 10 | S(p)= 10508 keV 9 | Q(α)= -5994 keV 9 | ||
Reference: 2012WA38 |
References: | |||
A | 96Sr β- decay |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0 | A | 0- | 5.34 s 5 % β- = 100 | |||||
122.297 3 | A | 1- | 203 ps 6 | 122.297 3 | 100 | M1 | 0 | 0- |
652.29 6 | A | 2- | ≤ 21 ps | 530.0 1 652.3 1 | 100 4 5.1 17 | M1+E2 [E2] | 122.297 0 | 1- 0- |
718.70 8 | A | 1+,2+ | 596.4 1 | 100 | 122.297 | 1- | ||
931.70 3 | A | 1+ | ≤ 21 ps | 213.0 1 279.4 1 809.40 3 931.7 1 | 1.06 21 11.5 5 100 3 16.4 11 | M1+(E2) E1+M2 E1(+M2) | 718.70 652.29 122.297 0 | 1+,2+ 2- 1- 0- |
1140 30 | 8+ | 9.6 s 2 % β- = 100 | ||||||
1287.89 17 | A | 356.0 2 1166.0 5 | 100 14 14 7 | 931.70 122.297 | 1+ 1- | |||
1983.58 18 | A | 1+ | 695.4 3 1052.6 7 1331.6 4 1861.3 5 1983.5 3 | 18.0 20 20 8 32 8 8 4 100 12 | 1287.89 931.70 652.29 122.297 0 | 1+ 2- 1- 0- |
E(level): From least-squares fit to Eγ, unless otherwise noted.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
122.297 | 1- | 203 ps 6 | 122.297 3 | M1 | 0.1043 | B(M1)(W.u.)=0.0537 16, α=0.1043, α(K)=0.0917 13, α(L)=0.01053 15, α(M)=0.00180 3, α(N)=0.000242 4, α(O)=1.650×10-5 23, α(N+)=0.000258 4 | |
652.29 | 2- | ≤ 21 ps | 530.0 1 | M1+E2 | -0.11 +3-4 | 0.00254 | B(E2)(W.u.)>0.13, B(M1)(W.u.)>0.0066, α=0.00254 4, α(K)=0.00224 4, α(L)=0.000247 4, α(M)=4.22E-5 6, α(N)=5.68E-6 9, α(O)=3.98E-7 6, α(N+)=6.08E-6 9 |
2- | ≤ 21 ps | 652.3 1 | [E2] | 0.00183 | B(E2)(W.u.)>0.42, α=0.00183 3, α(K)=0.001612 23, α(L)=0.000182 3, α(M)=3.10E-5 5, α(N)=4.14E-6 6, α(O)=2.78E-7 4, α(N+)=4.42E-6 7 | ||
931.70 | 1+ | ≤ 21 ps | 213.0 1 | M1+(E2) | 0.0 4 | 0.024 | B(M1)(W.u.)>0.00089, α=0.024 6, α(K)=0.021 6, α(L)=0.0024 8, α(M)=0.00041 13, α(N)=5.5×10-5 16, α(O)=3.8E-6 8, α(N+)=5.8E-5 17 |
1+ | ≤ 21 ps | 279.4 1 | E1+M2 | -0.05 2 | 0.00566 | α=0.00566 15, α(K)=0.00500 13, α(L)=0.000550 15, α(M)=9.4×10-5 3, α(N)=1.25E-5 4, α(O)=8.45E-7 24, α(N+)=1.34E-5 4 | |
1+ | ≤ 21 ps | 809.40 3 | E1(+M2) | 0.00 1 | 0.000409 | B(E1)(W.u.)>2.2E-5, α=0.000409 6, α(K)=0.000362 5, α(L)=3.91E-5 6, α(M)=6.67E-6 10, α(N)=8.97E-7 13, α(O)=6.26E-8 9, α(N+)=9.60E-7 14 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0 | 0- | 5.34 s 5 % β- = 100 | Δ<r2>(96Y,89Y)=+0.82 8 (syst uncertainty, 2007Ch07). |
1140 | 8+ | 9.6 s 2 % β- = 100 | Q=-0.98 11, μ=+6.57 3 μ,Q from laser spectroscopy (2007Ch07). |
E(level) | E(gamma) | Comments |
122.297 | 122.297 | M(γ): From α(K)exp, γγ(θ) and the observation that γ feeds the level with J=0 |
931.70 | 213.0 | M(γ): From α(K)exp and RUL |
The 9.6 s isomer has been observed as a fission product in reactors using LOHENGRIN (1978St02), JOSEF (1987St12), as well as U(p,f) in IGISOL (2007Ch07).
Q-value: Note: Current evaluation has used the following Q record 7096 235211 2410519 24-6000 24 2003Au03