ADOPTED LEVELS, GAMMAS for 234Pa
Authors: E. Browne, J. K. Tuli | Citation: Nucl. Data Sheets 108, 681 (2007) | Cutoff date: 1-Jun-2006
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=2194 keV 5 | S(n)= 5221 keV 5 | S(p)= 5682 keV 5 | Q(α)= 4077 keV 17 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 234Th β- decay | B | 234Pa IT decay (1.159 M) |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0.0 | AB | 4+ | 6.70 h 5 % β- = 100 | |||||
| 73.92 2 | AB | (3+) | 73.92 2 | | (M1+E2) | 0.0 | 4+ | |
| 73.92+X | AB | (0-) | 1.159 m 11 % IT = 0.16 4 % β- = 99.84 4 | <10S | | 73.92 | (3+) | |
| 103.42+X | A | (2-) | < 0.5 ns | 29.49 2 | | E2 | 73.92+X | (0-) |
| 166.30+X | A | (1-) | ≤ 0.1 ns | 62.86 2 92.38 1 | 0.75 12 100 6 | M1+E2 M1 | 103.42+X 73.92+X | (2-) (0-) |
| 166.72+X | A | (1+) | 0.55 ns 10 | 63.29 2 92.80 2 | 100 10 57 4 | E1 E1 | 103.42+X 73.92+X | (2-) (0-) |
| 177.27+X? | A | 73.92? 103.35 10 | | 103.42+X 73.92+X | (2-) (0-) | |||
| 186.73+X | A | (1+) | 20.02 2 83.30 5 112.81 5 | 3.6 10 28.6 15 100 8 | M1+E2 | 166.72+X 103.42+X 73.92+X | (1+) (2-) (0-) | |
E(level): All levels are from 234Th β- decay. x<10 keV.
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
| 73.92 | (3+) | 73.92 2 | (M1+E2) | 0.11 3 | 10.6 | α=10.6 4, α(L)=7.96 25, α(M)=1.94 7, α(N)=0.520 18, α(O)=0.124 4, α(P)=0.0235 7, α(Q)=0.00185 3, α(N+)=0.669 23 | |
| 103.42+X | (2-) | < 0.5 ns | 29.49 2 | E2 | 4.40×103 | B(E2)(W.u.)>130., α=4.40E3, α(L)=3.22E3 5, α(M)=882 13, α(N)=237 4, α(O)=53.4 8, α(P)=8.54 13, α(Q)=0.01691 25, α(N+)=299 5 | |
| 166.30+X | (1-) | ≤ 0.1 ns | 62.86 2 | M1+E2 | 0.33 8 | 25 | B(E2)(W.u.)>3.5, B(M1)(W.u.)>0.00071, α=25 5, α(L)=19 4, α(M)=4.8 9, α(N)=1.30 24, α(O)=0.30 6, α(P)=0.054 9, α(Q)=0.00277 12, α(N+)=1.7 3 |
| (1-) | ≤ 0.1 ns | 92.38 1 | M1 | 5.27 | B(M1)(W.u.)>0.042, α=5.27, α(L)=3.98 6, α(M)=0.960 14, α(N)=0.257 4, α(O)=0.0618 9, α(P)=0.01180 17, α(Q)=0.000977 14, α(N+)=0.332 5 | ||
| 166.72+X | (1+) | 0.55 ns 10 | 63.29 2 | E1 | 0.405 | B(E1)(W.u.)=6.2E-4 14, α=0.405, α(L)=0.305 5, α(M)=0.0750 11, α(N)=0.0197 3, α(O)=0.00447 7, α(P)=0.000737 11, α(Q)=3.14E-5 5, α(N+)=0.0250 4 | |
| (1+) | 0.55 ns 10 | 92.80 2 | E1 | 0.1472 | B(E1)(W.u.)=1.12E-4 24, α=0.1472, α(L)=0.1110 16, α(M)=0.0271 4, α(N)=0.00716 10, α(O)=0.001643 23, α(P)=0.000281 4, α(Q)=1.370E-5 20, α(N+)=0.00910 13 | ||
| 186.73+X | (1+) | 20.02 2 | M1+E2 | 0.08 2 | 246 | α=246 70 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 73.92+X | (0-) | 1.159 m 11 % IT = 0.16 4 % β- = 99.84 4 | See 1.159-min 234Pa IT decay for references and methods of obtaining the branching ratios. E(level): See 1.159-min 234Pa IT decay for references and methods of obtaining the branching ratios. |
| 166.72+X | (1+) | 0.55 ns 10 | Jπ(level): π 3/2[651], ν 1/2[631] and π 1/2[660], ν 1/2[631] are possible configurations for the 166.72+x and 186.73+x levels. |
| 186.73+X | (1+) | Jπ(level): π 3/2[651], ν 1/2[631] and π 1/2[660], ν 1/2[631] are possible configurations for the 166.72+x and 186.73+x levels. |
| E(level) | E(gamma) | Comments |
| 73.92 | 73.92 | E(γ): Multiply placed |
| 177.27+X | 73.92 | E(γ): Multiply placed |