ADOPTED LEVELS, GAMMAS for 95Y
Authors: S. K. Basu, G. Mukherjee, A. A. Sonzogni | Citation: Nucl. Data Sheets 111, 2555 (2010) | Cutoff date: 30-Jun-2009
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=4450 keV 7 | S(n)= 6930 keV 10 | S(p)= 9655 keV 7 | Q(α)= -5891 keV 11 | ||
Reference: 2012WA38 |
References: | |||
A | 95Sr β- decay | B | 235U(n,Fγ) |
C | 96Zr(d,3He),(pol t,α) | D | 248Cm SF decay |
E | 252Cf SF decay |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABCDE | 1/2- | 10.3 m 1 % β- = 100 | |||||
685.9 3 | ABC | 3/2- | 685.7 | 100 | 0.0 | 1/2- | ||
826.9 4 | ABCDE | 5/2- | 141.0 826.8 | 0.51 10 100 3 | 685.9 0.0 | 3/2- 1/2- | ||
1087.6 6 | ABCDE | 9/2+ | 52.6 µs 12 | 260.7 401.8 | 100 3 1.10 10 | (M2) (E3) | 826.9 685.9 | 5/2- 3/2- |
1630.9 6 | A C | (5/2-) | 543.4? 945.0 | 1.50 100 12 | 1087.6 685.9 | 9/2+ 3/2- | ||
1827.8 10 | DE | (11/2+) | 740.2 | 100 | 1087.6 | 9/2+ | ||
1889.8 8 | A C | 5/2- | 1062.8 | 100 | 826.9 | 5/2- | ||
1963.4 5 | A C | (3/2-,5/2-) | 1136.6 1277.4 | 5.5 100 12 | 826.9 685.9 | 5/2- 3/2- | ||
2021.0 5 | A C | (3/2-) | 1194.0 1335.4 2020.0 | 10.0 100 13 40 | 826.9 685.9 0.0 | 5/2- 3/2- 1/2- | ||
2046.6 7 | A C | (1/2-,3/2-) | 1360.9 2046.4 | 100 14 64 10 | 685.9 0.0 | 3/2- 1/2- | ||
2173.4 10 | DE | (13/2)+ | 345.6 1085.8 | 47 4 100 6 | E2 | 1827.8 1087.6 | (11/2+) 9/2+ | |
2207.6 6 | A | (5/2-,7/2-) | 576.6 1120.0? | 100 12 15.0 | 1630.9 1087.6 | (5/2-) 9/2+ | ||
2308 10 | C | 3/2- | ||||||
2408.5 6 | A | (3/2-,5/2-) | 1581.4 1722.5 | 22.0 100 14 | 826.9 685.9 | 5/2- 3/2- | ||
2557.6 7 | A | (1/2-,3/2-) | 1872.0 2557.2 | 100 40 | 685.9 0.0 | 3/2- 1/2- | ||
2614.6 5 | A C | (3/2-,5/2-) | 406.9 651.3 724.6 983.8 1928.5 | 10.0 6.0 15.0 100 12 8.0 | 2207.6 1963.4 1889.8 1630.9 685.9 | (5/2-,7/2-) (3/2-,5/2-) 5/2- (5/2-) 3/2- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
2684.0 6 | A C | (1/2-,3/2-) | 2684.0 | 100 | 0.0 | 1/2- | ||
2717.2 6 | A | (1/2+,3/2+) | 2031.5 2717.3 | 10.3 15 100 12 | 685.9 0.0 | 3/2- 1/2- | ||
2781.8 6 | A | (3/2-) | 1954.8 2096.1 2781.8 | 9.0 12 6 100 14 | 826.9 685.9 0.0 | 5/2- 3/2- 1/2- | ||
2855 20 | C | |||||||
2906 20 | C | |||||||
2933.4 5 | A C | (3/2+) | 970.0 1302.5 2106.3 2247.6 2933.1 | 2.00 2.00 2.00 93 11 100 12 | 1963.4 1630.9 826.9 685.9 0.0 | (3/2-,5/2-) (5/2-) 5/2- 3/2- 1/2- | ||
3116.8 7 | A | (1/2-,3/2-) | 2430.8 3116.8 | 45 100 16 | 685.9 0.0 | 3/2- 1/2- | ||
3142.5 14 | DE | (17/2-) | 16 ns 3 | 969.1 | 100 | (M2) | 2173.4 | (13/2)+ |
3314.3 17 | DE | (19/2+) | 171.8 | 100 | (E1) | 3142.5 | (17/2-) | |
3352.9 5 | A | (3/2) | 419.5 668.6 1145.4 2667.4 3352.8 | 9.0 14.0 12.0 19.0 100 15 | 2933.4 2684.0 2207.6 685.9 0.0 | (3/2+) (1/2-,3/2-) (5/2-,7/2-) 3/2- 1/2- | ||
3391.8 5 | A C | (3/2) | 458.4 708.4 777.3 1184.0 1370.5 1428.3 2564.9 2705.8 | 30 19.0 100 13 27 15.0 57 6.0 38 7 | 2933.4 2684.0 2614.6 2207.6 2021.0 1963.4 826.9 685.9 | (3/2+) (1/2-,3/2-) (3/2-,5/2-) (5/2-,7/2-) (3/2-) (3/2-,5/2-) 5/2- 3/2- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
3507.4 7 | A | (1/2-,3/2-) | 2821.4 3507.5 | 80 100 | 685.9 0.0 | 3/2- 1/2- | ||
3576.6 5 | A | (3/2+) | 961.6 1612.7 2749.7 2891.0 3577.0 | 44 25.0 35 6 100 14 44 | 2614.6 1963.4 826.9 685.9 0.0 | (3/2-,5/2-) (3/2-,5/2-) 5/2- 3/2- 1/2- | ||
3616.1 5 | A | (1/2+,3/2+) | 899.2 931.9 1207.3 2930.5 3616.1 | 11.0 3.0 8.0 22.0 100 14 | 2717.2 2684.0 2408.5 685.9 0.0 | (1/2+,3/2+) (1/2-,3/2-) (3/2-,5/2-) 3/2- 1/2- | ||
3651.3 7 | A | (1/2-,3/2-) | 2965.0 3651.6 | 100 63 | 685.9 0.0 | 3/2- 1/2- | ||
3743.3 10 | A | (1/2,3/2) | 3743.2 | 100 | 0.0 | 1/2- | ||
3775.8 19 | DE | (21/2+) | 461.5 | 14 2 | 3314.3 | (19/2+) | ||
3943.5 6 | A | (1/2-,3/2-) | 3116.6 3257.6 3943.4 | 100 40 60 | 826.9 685.9 0.0 | 5/2- 3/2- 1/2- | ||
4075.1 6 | A | (1/2+,3/2+) | 2112.0 3388.9 4075.1 | 4.0 11.0 100 15 | 1963.4 685.9 0.0 | (3/2-,5/2-) 3/2- 1/2- | ||
4076.0 19 | DE | (21/2-) | 761.7 | 100 | 3314.3 | (19/2+) | ||
4160.7 8 | A C | (3/2) | 3334.2 3474.3 | 60 100 | 826.9 685.9 | 5/2- 3/2- | ||
4190.4 8 | A C | (1/2,3/2) | 2168.7 4191.0 | 100 20.0 | 2021.0 0.0 | (3/2-) 1/2- | ||
4214.3 6 | A | (1/2,3/2) | 2251.0 3528.0 4214.4 | 75 100 100 | 1963.4 685.9 0.0 | (3/2-,5/2-) 3/2- 1/2- | ||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
4268.1 7 | A | (1/2+,3/2+) | 3582.2 4268.0 | 15.0 100 18 | 685.9 0.0 | 3/2- 1/2- | ||
4272.8 20 | E | (23/2-) | 196.8 497.0 | 100 14 79 10 | 4076.0 3775.8 | (21/2-) (21/2+) | ||
4339.9 21 | DE | (23/2+) | 564.1 | 100 | 3775.8 | (21/2+) | ||
4348.3 10 | A | (1/2-,3/2-) | 4348.2 | 100 | 0.0 | 1/2- | ||
4360.3 7 | A | (1/2-,3/2-) | 3674.5 4360.0 | 100 80 | 685.9 0.0 | 3/2- 1/2- | ||
4420.6 10 | A | (1/2-,3/2-) | 4420.5 | 100 | 0.0 | 1/2- | ||
4563.4 10 | A | (1/2-,3/2-) | 3877.5 | 100 | 685.9 | 3/2- | ||
4901.6 22 | E | (25/2+) | 561.8 | 100 | 4339.9 | (23/2+) | ||
4921.1 21 | DE | (23/2-) | 1145.3 | 100 | 3775.8 | (21/2+) | ||
5022.2 21 | DE | (27/2-) | 65 ns 4 | 101.2 120.6 682.3 1246.3 | 57 9 26 4 100 13 57 9 | (E2) (E1) (M2) (E3) | 4921.1 4901.6 4339.9 3775.8 | (23/2-) (25/2+) (23/2+) (21/2+) |
5810.2 23 | E | (29/2-,31/2-) | 788.0 | 100 | 5022.2 | (27/2-) |
E(level): From least squares fit to γ-energies assuming ΔEγ=1 keV when unknown, except otherwise noted.
Jπ(level): Jπ from log ft=5.9 to 6.9 from 1/2+, except as noted; multipolarities were assumed to be d,E2 in deriving the spins and parities. See 1981PfZZ for other suggested spins and parities
M(γ): From comparison to RUL and α(K)exp in β- decay, unless otherwise stated
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
826.9 | 5/2- | 826.8 | 0.00236 | α=0.00236 4 | ||
1087.6 | 9/2+ | 52.6 µs 12 | 260.7 | (M2) | 0.0694 | B(M2)(W.u.)=0.033 1, α=0.0694, α(K)=0.0604 9, α(L)=0.00752 11, α(M)=0.001297 19, α(N)=0.0001731 25, α(O)=1.151×10-5 17, α(N+)=0.000185 3 |
9/2+ | 52.6 µs 12 | 401.8 | (E3) | B(E3)(W.u.)=2.7 3 | ||
3142.5 | (17/2-) | 16 ns 3 | 969.1 | (M2) | 0.001569 | B(M2)(W.u.)=0.17 1, α=0.001569 22, α(K)=0.001385 20, α(L)=0.0001543 22, α(M)=2.64×10-5 4, α(O)=2.49E-7 4, α(N+)=3.80E-6 |
5022.2 | (27/2-) | 65 ns 4 | 101.2 | (E2) | B(E2)(W.u.)=0.85 9 | |
(27/2-) | 65 ns 4 | 120.6 | (E1) | B(E1)(W.u.)=3.8E-07 6 | ||
(27/2-) | 65 ns 4 | 682.3 | (M2) | B(M2)(W.u.)=0.77 9 | ||
(27/2-) | 65 ns 4 | 1246.3 | (E3) | B(E3)(W.u.)=2.0 3 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 1/2- | 10.3 m 1 % β- = 100 | μ=-0.16 3 Δ<r2>(95,89)=+0.723 fm2, deduced from isotope shift (2007Ch07). Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α). |
685.9 | 3/2- | Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α). | |
826.9 | 5/2- | Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α). | |
1827.8 | (11/2+) | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. | |
1889.8 | 5/2- | Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α). | |
1963.4 | (3/2-,5/2-) | XREF: C(1983). Jπ(level): Jπ|<5/2- from log ft=7.0 to 7.4 (log f1ut|>8.5) from 1/2+. γ to 5/2-. | |
2021.0 | (3/2-) | Jπ(level): Jπ|<5/2- from log ft=7.0 to 7.4 (log f1ut|>8.5) from 1/2+. γ to 5/2-. Jπ=3/2- from σ(θ) and a(θ) in (pol t,α) for the doublet. | |
2046.6 | (1/2-,3/2-) | XREF: C(2041). Jπ(level): Jπ=3/2- from σ(θ) and a(θ) in (pol t,α) for the doublet. Jπ from log ft=7.2 to 7.4 (log f1ut|>8.5) from 1/2+. | |
2173.4 | (13/2)+ | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. | |
2308 | 3/2- | E(level): Groups observed at 2308, 2603, 2655, and 2855 in (pol t,α) were too broad to be a single state. Jπ(level): Jπ from σ(θ) and α(θ) in (pol t,α). | |
2408.5 | (3/2-,5/2-) | Jπ(level): Jπ|<5/2- from log ft=7.0 to 7.4 (log f1ut|>8.5) from 1/2+. γ to 5/2-. | |
2557.6 | (1/2-,3/2-) | Jπ(level): Jπ from log ft=7.2 to 7.4 (log f1ut|>8.5) from 1/2+. | |
2614.6 | (3/2-,5/2-) | XREF: C(2603). E(level): Groups observed at 2308, 2603, 2655, and 2855 in (pol t,α) were too broad to be a single state. Jπ(level): Jπ|<5/2- from log ft=7.0 to 7.4 (log f1ut|>8.5) from 1/2+. γ to 5/2-. | |
2684.0 | (1/2-,3/2-) | XREF: C(2655). E(level): Groups observed at 2308, 2603, 2655, and 2855 in (pol t,α) were too broad to be a single state. | |
2781.8 | (3/2-) | Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-. | |
2855 | E(level): Groups observed at 2308, 2603, 2655, and 2855 in (pol t,α) were too broad to be a single state. | ||
3142.5 | (17/2-) | 16 ns 3 | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. |
3314.3 | (19/2+) | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. | |
3391.8 | (3/2) | XREF: C(3405). Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-. | |
3576.6 | (3/2+) | Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-. | |
3775.8 | (21/2+) | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. | |
3943.5 | (1/2-,3/2-) | Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-. | |
4076.0 | (21/2-) | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. | |
4160.7 | (3/2) | XREF: C(4150). Jπ(level): Jπ=1/2,3/2 from log ft=5.9 to 6.7 from 1/2+. γ to 5/2-. | |
4272.8 | (23/2-) | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. | |
E(level) | Jπ(level) | T1/2(level) | Comments |
4339.9 | (23/2+) | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. | |
4901.6 | (25/2+) | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. | |
4921.1 | (23/2-) | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. | |
5022.2 | (27/2-) | 65 ns 4 | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. |
5810.2 | (29/2-,31/2-) | Jπ(level): From γγ(θ), Mγ if available, in high-spin datasets. |
E(level) | E(gamma) | Comments |
1087.6 | 260.7 | M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus. | 401.8 | M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus. |
1827.8 | 740.2 | E(γ): From 252Cf SF decay |
3142.5 | 969.1 | M(γ): Q from (969γ)(1086γ)(θ), M2 from isomer half-life. Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus. |
3314.3 | 171.8 | M(γ): ΔJ=1, dipole from (172γ)(1086γ)(θ); consistent with Jπ assignment |
5022.2 | 101.2 | M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus. | 120.6 | M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus. | 682.3 | M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus. | 1246.3 | M(γ): Multipolarity assumed by authors (2009Ur02) and is found to be consistent with Weisskopf estimate for a spherical nucleus. |
Gammas: All data are from β- decay, except as noted
Q-value: Note: Current evaluation has used the following Q record 4451 7 6931 10 9658 10 -5888 11 2009AuZZ
Q-value: S(2n)=13127 13, S(2p)=23167 10 (2009AuZZ)