ADOPTED LEVELS, GAMMAS for 162Tb
Author: N. Nica | Citation: Nucl. Data Sheets 195, 1 (2024) | Cutoff date: 19-Sep-2023
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=2301.6 keV 22 | S(n)= 6489.1 keV 24 | S(p)= 7662.4 keV 25 | Q(α)= -1034.0 keV 29 | ||
Reference: 2021WA16 |
References: | |||
A | 162Gd β- decay (8.4 M) | B | 252Cf SF decay |
C | 163Dy(t,α) |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
0.0 | ABC | 1- | 7.74 m 9 % β- = 100 | |||||
39.10 9 | A C | 2- | 39.0 2 | 100 | M1+E2 | 0.0 | 1- | |
97 1 | C | 3- | ||||||
176 1 | C | 4- | ||||||
216 1 | C | 4- | ||||||
268 2 | C | 5- | ||||||
285.5 32 | B | (4-) | ||||||
310 1 | C | 5- | ||||||
341.41 9 | A C | (0-,1) | 302.30 15 341.42 10 | 58 9 100 9 | 39.10 0.0 | 2- 1- | ||
389 1 | C | |||||||
434 1 | C | (5)- | ||||||
442.11 8 | A C | 1+ | 403.00 8 442.12 8 | 85 4 100 | [E1] [E1] | 39.10 0.0 | 2- 1- | |
475 1 | C | |||||||
521 1 | C | |||||||
550 1 | C | (6)- | ||||||
570 2 | C | (6)+ | ||||||
616 1 | C | |||||||
657 1 | C | (7)+ | ||||||
727 1 | C | + | ||||||
777 1 | C | (8)+ | ||||||
829 2 | C | + | ||||||
894 1 | C | + | ||||||
925 1 | C | + | ||||||
967 2 | C | + | ||||||
995 2 | C | + | ||||||
1033 2 | C | + | ||||||
1069 2 | C | |||||||
E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
1108 2 | C | + | ||||||
1128 2 | C | |||||||
1167 2 | C | |||||||
1186 2 | C | |||||||
1222 2 | C | |||||||
1264 2 | C | |||||||
1292 2 | C | |||||||
1337 2 | C | |||||||
1358 2 | C | |||||||
1387 2 | C | |||||||
1424 2 | C | |||||||
1444 2 | C | |||||||
1479 2 | C | |||||||
1515 2 | C |
Jπ(level): For levels populated in (t,α), the assignments are from σ(θ) distributions, DWBA and Nilsson-model calculations which give predicted cross sections for members in a band: "fingerprint " method.
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 1 - Kπ=4-,ν5/2[523]+π3/2[411] | |||||||
216 1 | 4- | ||||||
310 1 | 5- | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 2 - Kπ=1-,ν5/2[523]-π3/2[411] | |||||||
0.0 | 1- | 7.74 m 9 % β- = 100 | |||||
39.10 9 | 2- | 39.0 2 | 100 | M1+E2 | 0.0 | 1- | |
97 1 | 3- | ||||||
176 1 | 4- | ||||||
268 2 | 5- | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 3 - Kπ=5-. | |||||||
434 1 | (5)- | ||||||
550 1 | (6)- | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 4 - Kπ=(6+). | |||||||
570 2 | (6)+ | ||||||
657 1 | (7)+ | ||||||
777 1 | (8)+ | ||||||
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | M(γ) | Final Levels | |
Band 5 - π7/2[523]-ν5/2[523],Kπ=1+. | |||||||
442.11 8 | 1+ |
E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Mixing Ratio | Conversion Coefficient | Additional Data |
39.10 | 2- | 39.0 2 | M1+E2 | 0.14 +5-7 | 7.9 | α=7.9 18, α(L)=6.1 15, α(M)=1.4 4, α(N)=0.31 8, α(O)=0.045 10, α(P)=0.00211 5 | |
442.11 | 1+ | 403.00 8 | [E1] | 0.00808 | α=0.00808 11, α(K)=0.00687 10, α(L)=0.000946 13, α(M)=0.0002052 29, α(N)=4.72×10-5 7, α(O)=7.15E-6 10, α(P)=4.44E-7 6 | ||
1+ | 442.12 8 | [E1] | 0.00651 | α=0.00651 9, α(K)=0.00554 8, α(L)=0.000759 11, α(M)=0.0001645 23, α(N)=3.78×10-5 5, α(O)=5.75E-6 8, α(P)=3.60E-7 5 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 1- | 7.74 m 9 % β- = 100 | E(level): Kπ=1-,ν5/2[523]-π3/2[411]. Jπ(level): L(t,α)=2 from 5/2- target. |
39.10 | 2- | E(level): Kπ=1-,ν5/2[523]-π3/2[411]. Jπ(level): L(t,α)=2 from 5/2- target. | |
97 | 3- | E(level): Kπ=1-,ν5/2[523]-π3/2[411]. Jπ(level): L(t,α)=2 from 5/2- target. | |
176 | 4- | E(level): Kπ=1-,ν5/2[523]-π3/2[411]. Jπ(level): L(t,α)=2 from 5/2- target. | |
216 | 4- | E(level): Kπ=4-,ν5/2[523]+π3/2[411]. Jπ(level): L(t,α)=2 from 5/2- target. | |
268 | 5- | E(level): Kπ=1-,ν5/2[523]-π3/2[411]. Jπ(level): L(t,α)=2 from 5/2- target. | |
310 | 5- | E(level): Kπ=4-,ν5/2[523]+π3/2[411]. Jπ(level): L(t,α)=2 from 5/2- target. | |
341.41 | (0-,1) | XREF: C(338). | |
434 | (5)- | E(level): Kπ=5-. | |
442.11 | 1+ | E(level): π7/2[523]-ν5/2[523],Kπ=1+. | |
550 | (6)- | E(level): Kπ=5-. The shape of the angular distribution for 550+570 group is consistent with L=4+5, J=6, Kπ=5- and 6+, but the total measured cross section is larger than the predicted value. Probably there are additional levels in this energy region. Jπ(level): The shape of the angular distribution for 550+570 group is consistent with L=4+5, J=6, Kπ=5- and 6+, but the total measured cross section is larger than the predicted value. Probably there are additional levels in this energy region. | |
570 | (6)+ | E(level): Kπ=(6+). The shape of the angular distribution for 550+570 group is consistent with L=4+5, J=6, Kπ=5- and 6+, but the total measured cross section is larger than the predicted value. Probably there are additional levels in this energy region. Jπ(level): The shape of the angular distribution for 550+570 group is consistent with L=4+5, J=6, Kπ=5- and 6+, but the total measured cross section is larger than the predicted value. Probably there are additional levels in this energy region. | |
657 | (7)+ | E(level): Kπ=(6+). | |
727 | + | Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8. | |
777 | (8)+ | E(level): Kπ=(6+). | |
829 | + | E(level): Multiplet structure. Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8. | |
894 | + | E(level): Combined L(t,α)=5 for 894 and 925 levels. Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8. | |
925 | + | E(level): Combined L(t,α)=5 for 894 and 925 levels. Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8. | |
967 | + | Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8. | |
995 | + | Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8. | |
1033 | + | Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8. | |
1108 | + | Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8. | |
1264 | E(level): Multiplet structure. |
E(level) | E(gamma) | Comments |